Soybean. Variety Performance Trials 2010 Results

Transcription

1 EC Revised Annually Soybean Variety Performance Trials Results South Dakota State University Cooperative Extension Service US Department of Agriculture The crop performance trials are available at

2 Tables for the Soybean Performance Trials A Monthly nearest weather station precipitation totals and average temperature; and their departures from average for 6 B Description of trial locations, soil types, tillage methods, prior crop, herbicide usage, and dates seeded C Gene race resistance to Phytophthora root rot D Glyphosate-resistant entries with yield table numbers 8- E Entrants (brand name) mailing addresses (after yield tables) F Explanation of yield and lodging score table footnotes 3 G Entrants (brand name) mailing addresses (after yield tables) 3 Glyphosate-Resistant Soybean Trial Results Glyphosate-resistant maturity group-o soybean variety yield and lodging averagesnorthern South Dakota locations, 9- Glyphosate-resistant maturity group-i soybean variety yield and lodging averagesnorthern South Dakota locations, Glyphosate-resistant maturity group-o soybean variety yield and lodging averagescentral South Dakota locations, 9- Glyphosate-resistant maturity group-i soybean variety yield and lodging averagescentral South Dakota locations, Glyphosate-resistant maturity group-ii soybean variety yield and lodging averagescentral South Dakota locations, Glyphosate-resistant maturity group-i soybean variety yield and lodging averagessouthern South Dakota locations, 9- Glyphosate-resistant maturity group-ii soybean variety yield and lodging averagessouthern South Dakota locations, 9-3- Non-Glyphosate-Resistant Soybean Trial Results 8 Non-glyphosate-resistant maturity group-o and -I soybean variety yield and lodging averages- South Shore, 9-9 Non-glyphosate-resistant maturity group-o, -I and -II soybean variety yield and lodging averages- Brookings, 9-6- Non-glyphosate-resistant maturity group-i and -II soybean variety yield and lodging averages- Beresford, 9-8 EC Precision Planted Soybeans Crop Performance Results is available electronically on the internet South Dakota State University, South Dakota counties, and US Department of Agriculture cooperating South Dakota State University is an Affirmative Action/ Equal Opportunity Employer and offers all benefits, services, education, and employment opportunities without regard for race, color, creed, religion, national origin, ancestry, citizenship, age, gender, sexual orientation, disability, or Vietnam Era veteran status copies printed by CES at a cost of $?? each EC November ii

3 Soybean Variety Performance Trials Results Robert G Hall, Extension agronomist - crops/manager - crop testing Kevin K Kirby, Agricultural research manager crop testing Shawn Hawks, Agricultural research manager crop testing Soybean production is greatly affected by variety selection This circular reports the agronomic performance of entries in the South Dakota performance trials for glyphosate-resistant and conventional or non-glyphosate-resistant soybean varieties Major factors in variety selection include yield, maturity, lodging resistance, and Phytophthora root rot resistance General Soybean varieties are classified according to maturity groups that in turn are adapted to maturity zones Maturity zones are based on day length and therefore are affected by latitude The very early maturity group- varieties are best suited to Canada and bordering regions of the US, while maturity group-, group-i, and group-ii varieties are suited to South Dakota The later groups III-VIII are suited to Iowa, Nebraska, and south to Texas These soybean trial results are reported according to the prevalent maturity zones in South Dakota (see map) The glyphosate-resistant soybean variety trials were conducted by the following test zones and locations: Northern test zone: Maturity groups- and -I at South Shore and Warner; Central test zone: Maturity groups-, -I, and II at Brookings and Bancroft; Southern test zone: Maturity groups-i and -II at Beresford and Geddes The conventional non-glyphosate-resistant soybean variety trials are conducted at the following SDSU affiliated research farms: Northeast Research Farm, South Shore- Maturity groups- and -I; SDSU Plant Science Farm, Brookings- Maturity groups-, -I, and II; and the Southeast SD Agricultural Experiment Station, Beresford- Maturity groups-i and II There are transition areas where varieties of two maturity groups may perform similarly In such cases, rainfall and or elevation may moderate the effect of latitude on maturity In most cases, an earlier maturity group may be seeded in a zone suited to a later maturity group This is only practical if seeding is delayed, or if reseeding following hail, or if double cropping Phytophthora root rot (PRR) is an important soybean disease in South Dakota and is often controlled or managed with the use of resistant varieties Resistance to Phytophthora root rot is fungus-race specific Thus, resistance to one PRR race does not always impart resistance to other races Knowledge of the prevalent PRR races in your area is important If you suspect you have a PRR problem, using varieties with a wide range of rot resistance is strongly suggested (see discussion of Phytophthora under General Test Procedures ) An alternative method of control is the use of tolerant varieties Tolerant varieties are not resistant to PRR in the seedling stage Thus, a PRR fungicide must be applied to protect them Currently, we do not evaluate variety field tolerance; therefore, field tolerance ratings are not available Certified seed is the best source of seed and the only way to be assured of the genetic purity of the variety seeded In addition, inoculation of seed with the appropriate nitrogen-fixing Warner South Shore Yale Brookings Armour Beresford Map of Soybean Maturity Zones and Trial Site Locations

4 bacterium is a good practice Always inoculate if seeding soybeans in soils not previously cropped to soybeans On older soybean soils, there is no guarantee that beneficial bacteria will be present to naturally inoculate planted seed Therefore, inoculation of seed at planting is an inexpensive means of increasing the percentage of plants that will fix nitrogen in the current crop year Yield Yields are obtained from the South Dakota Crop Performance Testing Program (CPT) Current-year yields are included for each entry tested, along with two-year averages where varieties have been tested for two years Yield test averages and least significant difference (LSD) values are rounded to the nearest bushel and printed at the bottom of each yield column The LSD value can be used to determine if varieties differ in yield per acre For example, assume variety A averages 3 bu, B averages bu, and the calculated LSD value is bu The average difference between varieties A and B is bu (3-=) Since the average difference of bu is greater than the test LSD value of bu, variety A (3 bu) is significantly higher in yield than for B ( bu) In contrast, if variety A averages 8 bu and B averages bu, the average difference would be 3 bu (8-=3) In this case, both varieties would have a similar yield average because their difference of 3 bu is less than the test LSD value of bu Use LSD values to identify the best-yielding varieties The LSD value at the bottom of each yield column is used to calculate a minimum top performance group (TPG) value for yield For example, if the highest column yield value is bu, subtract the LSD value of bu to obtain an intermediate value of bu ( = ) Generally, entries in that column yielding 6 bu/a or higher are in the TPG However, we can also say a yield of bu/a also qualifies as a TPG-value because the yield averages are rounded to the nearest bushel This inclusion of bu/a acre in the TPG also makes the results indicated in the table (rounded values) agree with the results of the statistical analysis, which determines variety differences to the nearest tenth of bushel Note: Use care when evaluating the yield performance of entries in each table Entries tested for two years may also have a top yield group value in the yield column Note: Each company selects the appropriate maturity group trial (maturity group-, -I, or -II trial) and locations for their entries Companies generally have one or more maturity group checks for their varieties There are, however, no standard regional or national check varieties for maturity A late group-i variety from one company may be similar in maturity to an early group-i, or an early group-ii variety from another company because they use different check varieties for maturity Therefore, this testing program does not guarantee that entries are placed in the appropriate maturity group trial Borderline entries with maturity ratings at or near the arbitrary breaks between the late-group- s and early group-i s and between the late-group-i s and early group-ii s may crossover in some test trials It is suggested you note the reported maturity rating of every entry you are considering Since all entries at a location are seeded the same day, one can compare the relative difference in days to maturity among varieties tested at that location Use caution when comparing the maturity rating of a variety over many locations Variations in soil moisture and temperature often differ between locations, resulting in some maturity variations over locations The efforts of D Doyle, SDSU Agronomy Farm; A Heuer, NE Research Farm, South Shore; and R Berg and staff, SE Research Farm, Beresford, in obtaining the data are gratefully acknowledged Also, the assistance and cooperation of our farmer cooperators, Allen and Inel Ryckman, Warner, SD; Curtis Sybesma, Geddes, SD; and E Weerts Farm Inc, Bancroft, SD, is gratefully acknowledged Protein and Oil Content The protein and oil values (adjusted to a 3% moisture) were determined using a calibrated FOSS TECATOR Model Infratec 9 Grain Analyzer Three replicates of every variety in each trial were tested Samples of known protein and oil were tested by the SDSU Agricultural Experiment Station Biochemistry Laboratory and used to calibrate the analyzer The protein and oil content of the soybean entries are not included in this report because they were not available when this report went to print The data, however, will be available on the Internet version of this report when the protein and oil determinations are complete The internet version of this report is available at variety-trials-resultscfm Weather and Seasonal Precipitation Seasonal rainfall and its distribution and average temperatures at weather reporting stations nearest each test trial are reported in table A for the period April to October 3 Seasonal precipitation totals were above average at Aberdeen (3 ), 6 above average at White Lake ( ), 8 above average at Beresford (89 ), 9 above average at Huron (98 ), above average at Brookings (9 ), and below average at South Shore (399 ) The moisture distribution across locations was fairly uniforms at Huron, Brookings, Beresford, and White Lake Two locations encountered moisture deficits Aberdeen only received of moisture at the airport; however, miles south, at the plots, there was no moisture during August This lack of rainfall likely reduced the potential yield at the Warner trial At Northeast Research Farm at South Shore, the early season moisture in April was well above average and was near average through July Thereafter, there was little if any rainfall through harvest Again, this lack of moisture may have reduced the potential yield at the Northeast Research Farm April temperatures were well above average for Huron, Brookings, Beresford, and White Lake, while Aberdeen was one degree above average and South Shore was one degree below average May through July temperatures tended to be near average across all locations However, in August, temperatures were 3 to degrees higher than average at Aberdeen, South Shore, Bancroft, and Brookings, while other locations were near average General Test Procedures These procedures apply to both the glyphosate-resistant and conventional non-glyphosate-resistant soybean trials, except for the chemical weed control imposed Trial locations, soil types, tillage methods, previous crops, pesticide usage, and seeding dates are indicated in table B Test Procedures: A row spacing of 3 inches was used at all locations The seeding rate was 6, seeds per acre for all varieties and locations Test plots consist of -row plots, -feet long, with three replications at all locations Soybean inoculation was accomplished by applying Nitragin-brand Soybean Soil Implant down the seed tube, according to label instructions and rates, during seeding Seeding at all locations was accomplished using

5 a Monosem precision row crop planter The center two rows of each plot were harvested for yield Yield: Plots were harvested and yields were adjusted to a 3% moisture content basis and expressed in bushels per acre Harvest was accomplished using a Massey Ferguson 8XP small plot combine Reporting variety maturity: Variety maturity is reported as days to maturity or DTM Entries are mature when 9% of the pods have turned brown Each maturity value is obtained by determining the average number of days from seeding to maturity for two replicates and expressing as DTM at each location Table DTM values are an average of four replicates (two for each location) unless data is at a location; in such cases, the DTM average is based on two replications Lodging Score: Scores at maturity are based on the erectness of the main stem of plants within each variety = all plants erect, = slight lodging, 3 = some lodging at a º-angle, = severe lodging, and = all plants flat Phytophthora Root Rot (PRR): The gene resistance of each variety to PRR is supplied by each seed company (proprietary entries) or by the USDA (Uniform Soybean Tests, Northern States, public entries) A key for each type of PRR gene and the race resistance it imparts to a variety is given in table C Specific race resistance to PRR, as reported by seed company, can be determined by noting the PRR gene in the variety index table D (glyphosate-resistant) and referencing the gene back to table C to find the range of race resistance Currently, races -, -3, and - are the most common races in South Dakota GLYPHOSATE-RESISTANT SOYBEAN VARIETY TRIAL RESULTS Note: Yield averages are reported for -yr (9-) and for In addition, in each yield table, entries are sorted by the zone two-year then by the zone yield values NORTHERN TEST ZONE SOUTH SHORE- Conventional tillage, Northeast Research Farm WARNER- Minimum-tillage, Allen & Inel Ryckman Farm (farm cooperators) Note: The test trial coefficients of variation or the amount of experimental error associated with the test trial was lower than average at South Shore and a little higher than average at Warner The higher amount of experimental error at Warner was likely the result of a lack a rainfall in August along with variations in soil type; together these factors resulted in variable soil moisture levels that in turn caused higher levels of experimental error in South Shore, Group- (Tables ): The two-year and test-yield averages were both 3 bushels per acre, respectively, and the lodging score average was (Table ) Varieties had to average and bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Warner, Group- (Tables ): The two-year and testyield averages were and bushels per acre, respectively, and the lodging score average was (table ) Varieties had to average 9 and bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by 9 bushels to be significantly different Variety lodging score value differences were not significant, so all entries were in the top performance group for lodging resistance Northern test zone, Group- (Tables ): The two-year and test-yield averages were 3 and 8 bushels per acre, respectively, and the lodging score average was (table ) In, however, there were significant year-by-location interactions for both the two-year and yield averages at both locations This means variety performance differed by location and year for the two-year yield and differed by location for the yield in the Northern zone Therefore, soybean producers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Northern zone South Shore, Group-I (Tables ): The two-year and test-yield averages were and bushels per acre, respectively, and the lodging score average was Varieties had to average bushels and bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Warner, Group-I (Tables ): The two-year and test-yield averages were and bushels per acre, respectively, and the lodging score average was Varieties had to average and 6 bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the twoyear averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score value differences were not significant so all entries were in the top performance group for lodging resistance Northern test zone, Group-I (Tables ): The two-year and test-yield averages were and 8 bushels per acre, respectively, and the lodging score average was Because there were significant year-by-location interactions for the two-year yield and the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Northern zone CENTRAL TEST ZONE BROOKINGS Conventional tillage, SDSU Plant Science Research Farm BANCROFT- No-till, E Weerts Farm Inc (farm cooperator) Note: The test trial coefficients of variation or the amount of experimental error associated with the test trials was lower than 3

6 average (3-%) at Brookings and Bancroft in These lower amounts of experimental error at Brookings and Bancroft were likely the result of good moisture distribution during the growth season Brookings, Group- (Tables 3): The two-year and testyield averages were and 3 bushels per acre, respectively, and the lodging score average was Varieties had to average bushels and bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values indicated there was no difference in lodging resistance in the varieties tested in Bancroft, Group- (Tables 3): The two-year and testyield averages were 6 and bushels per acre, respectively, and the lodging score average was Varieties had to average 3 and bushels or higher to be in the top yield group for and for two years, respectively Variety yield differences among the twoyear averages were not significant, while the variety yield differences had to differ by 3 bushels to be significantly different Variety lodging score values indicated there was no difference in lodging resistance in the varieties tested in Central test zone, Group- (Tables 3): The two-year and test-yield averages were and bushels per acre, respectively, and the lodging score average was Because there were significant year-by-location interactions for the two-year yield and the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Central zone Brookings, Group-I (Tables ): The two-year and testyield averages were 6 and 8 bushels per acre, respectively, and the lodging score average was Varieties had to average 8 and 6 bushels or higher to be in the top yield group for and for two years, respectively Variety yield averages had to differ by bushels for two years and 3 bushels in to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Bancroft, Group-I (Tables ): The two-year and testyield averages were and bushels per acre, respectively, and the lodging score average was Varieties had to average 8 and bushels or higher to be in the top yield group for and for two years, respectively Variety yield averages had to differ by bushels for two years and bushels for to be significantly different Variety lodging score values indicated there was no difference in lodging resistance in the varieties tested in Central test zone, Group-I (Tables ): The two-year and test-yield averages were 6 and bushels per acre, respectively, and the lodging score average was Because there were significant year-by-location interactions for the two-year yield and the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Central zone Brookings, Group-II (Tables ): The two-year and test-yield averages were each 6 bushels per acre, and the lodging score average was Varieties had to average 9 and 6 bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by 3 bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Bancroft, Group-II (Tables ): The two-year and testyield average was and bushels per acre in and for two years, respectively, and the lodging score average was Varieties had to average and bushels or higher to be in the top yield group for two years and for, respectively Variety yield averages had to differ by bushels for two years and bushels in to be significantly different Variety lodging score values indicated there was no difference in lodging resistance in Central test zone, Group-II (Tables ): The two-year and test-yield averages were 6 and 8 bushels per acre, respectively, and the lodging score average was Because there were significant year-by-location interactions for the two-year yield and the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Central zone Variety lodging score values indicated there was no difference in lodging resistance in the varieties tested in SOUTHERN TEST ZONE BERESFORD Conventional tillage, Southeast SD Agricultural Experiment Station GEDDES- No-till, Curtis Sybesma (farm cooperator) Note: The test trial coefficients of variation or the amount of experimental error associated with the test trial was lower than average at Beresford and about average at Geddes The lower amount of experimental error at Beresford compared to Geddes was likely the result of more rainfall and better distribution of the rainfall at Beresford in Beresford, Group-I (Tables 6): The two-year and test-yield averages were 68 and bushels per acre, respectively, and the lodging score average was Varieties had to average 6 bushels and bushels or higher to be in the top yield group for two years and for, respectively Variety yield averages had to differ by bushels for two years and bushels for to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Geddes, Group-I (Tables 6): The two-year and test-yield averages were 3 and bushels per acre, respectively, and the lodging score average was Varieties had to average and bushels or higher to be in the top yield group for two years and for, respectively Variety yield averages had to differ by 6 bushels for both two years and for to be significantly different Variety lodging score values had to equal to be in the top performance group for lodging resistance and had to differ by to be significantly different Southern test zone, Group-I (Tables 6): The two-year and test-yield averages were 6 and 6 bushels per acre, respectively, and the lodging score average was Because there was a significant year-by-location interaction for the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield column listed for the Southern zone The two-year yield averages, however, did not exhibit any year-by-location interaction but did exhibit a significant variety effect Therefore, varieties in the Southern test zone

7 with a two-year yield of 63 bushels per acre or higher were in the top performance group Likewise, varieties with a lodging score of were in the top performance group for lodging resistance Beresford, Group-II (Tables ): The two-year and testyield averages were 68 and bushels per acre, respectively, and the lodging score average was Varieties had to average 6 and bushels or higher to be in the top yield group for and for two years, respectively Variety yield differences among the twoyear averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different Geddes, Group-II (Tables ): The two-year and test-yield averages were and bushels per acre, respectively, and the lodging score average was Varieties had to average and bushels or higher to be in the top yield group for and for two years, respectively Variety yield differences among the twoyear averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different Southern test zone, Group-II (Tables ): The two-year and test-yield averages were 63 and 6 bushels per acre, respectively, and the lodging score average was Because there were significant year by location interactions for the two-year yield and the yield at both locations, soybean growers are encouraged to evaluate variety performance differences by using the yield columns listed under each location and not use the yield columns listed for the Southern zone NON-GLYPHOSATE-RESISTANT SOYBEAN VARIETY TRIAL RESULTS Note: Yield averages are reported -yr (9-) or for SOUTH SHORE Conventional tillage, Northeast Research Farm South Shore, Group- (Tables 8): The and two-year test-yield averages were 6 and bushels per acre, respectively, and the lodging score average was Varieties had to average bushels or higher for two years and bushels or higher for to be in the top yield group Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different South Shore, Group-I (Tables 8): The two-year and and test-yield averages were and bushels per acre, respectively, and the lodging score average was Varieties had to average bushels or higher for two years and 9 bushels or higher for to be in the top yield group Variety yield averages had to differ by 9 bushels for two years and bushels for to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different BROOKINGS Conventional tillage, SDSU Agronomy Farm Brookings, Group- (Tables 9): The two-year and test-yield averages were both 8 bushels per acre, and the lodging score average was Varieties had to average and 3 bushels or higher to be in the top yield group for and for two years, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values indicated there was no difference in lodging resistance in the varieties tested in Brookings, Group-I (Tables 9): The two-year and testyield averages were 8 and 3 bushels per acre, respectively, and the lodging score average was Varieties had to average and 6 bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different Brookings, Group-II (Tables 9): The two-year and test-yield averages were both 8 bushels per acre, and the lodging score average was There was only one variety tested for the twoyear period, so there were no variety differences Varieties had to average 63 bushels or higher to be in the top yield for In, variety yield differences had to differ by 3 bushels per acre to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different BERESFORD Conventional tillage, Southeast Agricultural Experiment Station Beresford, Group-I (Tables ): The two-year and testyield averages were 8 and 6 bushels per acre, respectively, and the lodging score average was 3 Varieties had to average 6 and 68 bushels or higher to be in the top yield group for two years and for, respectively Variety yield differences among the two-year averages were not significant (NS), while the variety yield differences had to differ by 3 bushels to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different Beresford, Group-II (Tables ): The two-year and testyield averages were 6 and 68 bushels per acre, respectively, and the lodging score average was 3 There was only one variety tested for the two-year period, so there were no variety differences Varieties had to average bushels or higher to be in the top yield for In, variety yield differences had to differ by 3 bushels per acre to be significantly different Variety lodging score values had to equal to be in the top performance group for resisting lodging, and lodging values had to differ by to be significantly different

8 Table A Nearest weather station monthly rainfall totals and average daily temperatures and their departures from average during the growing season South Dakota Office of Climate and Weather, South Dakota State University, Brookings, SD Station Monthly data - April to October 3 Sum or (Test site) Variable April May June July Aug Sept Oct Average Rain totals - inch avg Aberdeen Airport DFA* (Warner) TempAvg -of avg DFA Rain totals - inch avg South Shore DFA (NE Research Farm) TempAvg -of avg DFA Rain totals - inch avg DFA Huron (Bancroft) TempAvg -of avg DFA Rain totals - inch avg Brookings DFA (Plant Science Res Farm) TempAvg -of avg DFA Rain totals - inch avg Centerville, 6 SE DFA (Beresford, SE Experiment Station) TempAvg -of avg DFA Rain totals - inch avg White Lake DFA (Geddes) TempAvg -of avg DFA * DFA - departure from normal, difference current year is greater or less (-) than the long-term average 6

9 Table B Description of trial locations- soil type, tillage, prior crop, herbicides and inoculants, and seeding dates Location (County) Warner (Brown) South Shore (Codington) Bancroft (Kingsbury) Brookings (Brookings) Geddes (Char Mix) Beresford (Clay) Herbicides Soils & Management Insecticides Applied at label rates Prior crop Glypohosate Plots Non- glyphosate Plots Applied Tillage Date Type at label Method Pre Post Pre Post seeded rates Harmony-Aberdeen Roundup/ silty clay loam, No-till Corn Fusilade - - May 8 -% slope once Conventional Kranzburg silty clay loam, 3-6% slope Houdek-Stickney- Tetonka loam, -3% slope Barnes clay loam, -% slope Highmore-Walke silt loam, -% slope Egan-Clarno-Trent silty clay loam, -% slope Spring wheat pt, Dual II Magnum No-till Corn Spring wheat No-till Corn Conventional Conventional Corn Roundup once Roundup twice Roundup twice Roundup once Roundup once pt, Dual II Magnum Harmony/ Basagran - - * Nitragin Soybean Soil Implant was applied down the seed tube at label rates at planting Harmony/ Poast Warrior (aerial) Asana (ground) May June 3 May - - June Basagran/ Classic/ Assure May Table C Phytophthora root rot race resistance by gene Gene Gene Code Race Resistance rps Rps, Rpsa Rpsb Rpsc Rpsk Rps Rps3 Rps Rps Rps6 Rsp Rpsk, Rps6 Rpsc, Rps3 Rpsb MIX A B K 3 6 K6 C3 B3 MIX -,-,3,-8,,3-9,3-,8,- -3,6-,3,,,,3- -,3-,-8,-, -,9- -,8-9,,3-,6,8,3, -,,-6,8-, -,8-9,-,8,, -,,,-6,8-, 6, -,- -,3-8,- -9,3-6,8,-3, Resistant & Susceptible Plants Not Reported

10 Table D Index to Glyphosate-resistant soybean entries by brand/variety, maturity group, seed trt, gene code for Phytophthora root rot(prr) resistance as reported by entrants, glyphosate gene event, and performance table no(s) Use table C to determine entry PRR strain resistance Brand / Variety ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG63 ASGROW/ AG83 ASGROW/ AG93 ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG3 ASGROW/ AG63 ASGROW/ AG83 ASGROW/ AG93 CHANNEL/ R CHANNEL/ R CHANNEL/ R CHANNEL/ R CHANNEL/ R CHANNEL/ R DAIRYLAND/ DSR-/RY DAIRYLAND/ DSR-/RR DAIRYLAND/ DSR-3/RY DAIRYLAND/ DSR-/RY DAIRYLAND/ DSR-8/RY DAIRYLAND/ DSR-/RR DAIRYLAND/ DSR-3/RY DAIRYLAND/ DSR-3/RY DAIRYLAND/ DSR-6/RR DAIRYLAND/ DSR-/RR DAIRYLAND/ DSR/RY DAIRYLAND/ DST8-3/R DAIRYLAND/ DST9-3/R DAIRYLAND/ DST-/R G-/ GENETICS 688 G-/ GENETICS 69 G-/ GENETICS 698 G-/ GENETICS 69 G-/ GENETICS 66 G-/ GENETICS 8 G-/ GENETICS 86 G-/ GENETICS 8 G-/ GENETICS G-/ GENETICS 3 G-/ GENETICS 9 G-/ GENETICS G-/ GENETICS 6 G-/ GENETICS 9 HEFTY/ 9Y HEFTY/ H9Y * - Not reported by seed entrant Mat Grp Seed Trt PRR Gene Code* K 3 K K K K K K K K K K K K K 3 Glyphosate Gene Event* Table No(s),,,,,,,,3,3,,6,,,3,,6 8

11 Table D Index to Glyphosate-resistant soybean entries (Continued) Brand / Variety HEFTY/ H HEFTY/ HY HEFTY/ HY HEFTY/ H39 HEFTY/ H3Y HEFTY/ H68 HEFTY/ H6Y HEFTY/ H8 HEFTY/ H8Y HEFTY/ H9Y HEFTY/ H HEFTY/ HY HEFTY/ H3Y HEFTY/ H3Y HEFTY/ HY HEFTY/ H HEFTY/ H9 HEFTY/ HY MUSTANG/ 6 MUSTANG/ 833 MUSTANG/ 99 MUSTANG/ 3 MUSTANG/ 33 MUSTANG/ MUSTANG/ 6 MUSTANG/ 88 MUSTANG/ 999 MUSTANG/ MUSTANG/ 8 MUSTANG/ 3 MUSTANG/ MUSTANG/ 33 MUSTANG/ 33 MUSTANG/ MUSTANG/ NORTHSTAR/ NS6 NORTHSTAR/ NS6 NORTHSTAR/ NS6 NORTHSTAR/ NS6 NUTECH/ 886RR NUTECH/ 889RR NUTECH/ 99RR NUTECH/ 88RN NUTECH/ 66RN NUTECH/ 68 NUTECH/ 6 NUTECH/ 69 NUTECH/ 698 NUTECH/ 6+RR NUTECH/ 6 * - Not reported by seed entrant Mat Grp Seed Trt PRR Gene Code* K K K 3 K K Glyphosate Gene Event* Table No(s),,,,,,,3,,6,3,3,3,6,,,, 6,,6 9

12 Table D Index to Glyphosate-resistant soybean entries (Continued) Brand / Variety NUTECH/ 63RR NUTECH/ 99 NUTECH/ NUTECH/ PIONEER/ 9Y8 PIONEER/ 9Y PIONEER/ 9Y6 PIONEER/ 9Y PIONEER/ 9Y9 PIONEER/ 9Y3 PIONEER/ 9Y PIONEER/ 9Y PIONEER/ 9Y8 PIONEER/ 93Y3 PRAIRIE BR/ EXP 8 PRAIRIE BR/ EXP PRAIRIE BR/ EXP 3 PRAIRIE BR/ EXP PRAIRIE BR/ EXP 8 PRAIRIE BR/ EXP PRAIRIE BR/ EXP 3 PRAIRIE BR/ EXP 8 PRAIRIE BR/ PB-9RR PRAIRIE BR/ PB-999RR PRAIRIE BR/ PB-R PRAIRIE BR/ PB-33RR PRAIRIE BR/ PB-R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-9RR PRAIRIE BR/ PB-R PRAIRIE BR/ PB-9R PRAIRIE BR/ PB-9R PRAIRIE BR/ PB-96RR PRAIRIE BR/ PB- PRAIRIE BR/ PB-R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-8R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-8RR PRAIRIE BR/ PB-9RR PRAIRIE BR/ PB- PRAIRIE BR/ PB-R PRAIRIE BR/ PB-R PRAIRIE BR/ PB-8R PRAIRIE BR/ PB-63R PRAIRIE BR/ PB-R PRAIRIE BR/ PB89R PRAIRIE BR/ PB99R * - Not reported by seed entrant Mat Grp Seed Trt Trilex 6 Trilex 6 Trilex 6 PRR Gene Code* K K K K K K K K K K K K Glyphosate Gene Event* Table No(s),,6,,,,, 6,6,,6,6,,, 6,,6,6 6,6 6,,,

13 Table D Index to Glyphosate-resistant soybean entries (Continued) Brand / Variety PRAIRIE BR/ PB99R REA/ G REA/ G REA/ 6G REA/ 8G REA/ 8R REA/ EXP G REA/ EXP G9 REA/ EXP 6G REA/ EXP 8G REA/ EXP 8G RENK/ RS RENK/ RSR RENK/ RS6 RENK/ RS8 RENK/ RS RENK/ RS RENK/ RSR RENK/ RS9R RENK/ RS SEEDS / RR SEEDS / EXP6 SEEDS / EXP9 STINE/ 6RA STINE/ RA6 STINE/ 3R8 STINE/ RA STINE/ 6RA STINE/ 8RA STINE/ RB6 STINE/ 3RA STINE/ RB STINE/ RA STINE/ 9RB SD/ 93RR SD/ 6RR/SCN SD/ RR SD/(LD)-63 - Not reported by seed entrant Mat Grp Seed Trt Trilex 6 Trilex 6 PRR Gene Code* K K K K K K K K K K K K K K A Glyphosate Gene Event* Table No(s),,,6,,,,,,,,,,,

14 Table E Conventional soybean entries by brand/variety, maturity group, seed trt, and gene code for Phytophthora root rot resistance as reported by entrants; and performance table no(s) Strain or race resistance by gene type is reported in table C Brand or Public / Variety Mat Grp Seed Treatment Gene Code* Table No(s) DAIRYLAND/ DSR-68/STS RICHLAND ORG/ MK8 RICHLAND ORG/ MK6 RICHLAND ORG/ MKT RICHLAND ORG/ MK9 RICHLAND ORG/ MK9 SEEDS / EXP 8L SEEDS / EXP 83L SEEDS / EXP 9L SEEDS / EXP LN SK FOOD INTL/ EXP 983 SK FOOD INTL/ SK9 SK FOOD INTL/ SK98 PUBLIC/ DAVISON PUBLIC/ DEUEL PUBLIC/ EXP MN9 PUBLIC/ EXP MN98CN PUBLIC/ MN66CN PUBLIC/ MN PUBLIC/ MN3CN PUBLIC/ MNN PUBLIC/ SHEYENNE PUBLIC/ SURGE PUBLIC/ SD- PUBLIC/ SD3- PUBLIC/ SDCV-6 PUBLIC/ SDCV-63 PUBLIC/ SD- PUBLIC/ SD-6 PUBLIC/ SD6-3 PUBLIC/ SD6-8 PUBLIC/ SD6-3 PUBLIC/ SD6-8 PUBLIC/ SD6- PUBLIC/ SDCV-36 PUBLIC/ SDCV-3 PUBLIC/ SDCV-8 PUBLIC/ SDCV-39 PUBLIC/ SDCV-6 PUBLIC/ SDCV-63 PUBLIC/ SDCV-69 PUBLIC/ SDCV-63 PUBLIC/ SDCV-63 PUBLIC/ SDCV- PUBLIC/ SDCV-8 PUBLIC/ SDCV-8 PUBLIC/ SDCV-8 PUBLIC/ SDCV-88 PUBLIC/ SDCV-88 PUBLIC/ SDCV-886 PUBLIC/ SDCV-93 PUBLIC/ SDCV * indicates gene code was not reported by seed entrant rps - rps - rps - rps - rps - Rpsk Rpsk Rpsk Rps (Rpsa) Rpsk Rps (Rpsa) Rpsk Rpsk, Rps6 rps - rps - rps - rps - Rps (Rpsa) 9 8 8, 9, 8, 9, 8, 9, 8, 9, 8 8 9, 9 8 9, 8, 9, 8, 9, 8, 9, 8, 9, 8, 9, 9, 9 9 9, 9 9, 9 9, 9, 9, 9 9, 9 9, 9

15 Table F Explanation of performance table footnotes No Explanation of footnotes [] Days to maturity (DTM) the number of days to maturity from seeding to 9% brown pod [] Lodging scores: = all plants erect, 3= % of plants lodged at -angle, = all plants flat [3] [] [] [6] Least Significant Difference (LSD ) the difference two values within a column must equal or exceed to be significantly different from one another at the level of probability If the difference is less than the LSD value the difference between the values is nonsignificant (NS) TPG-avg the minimum value within a column that entry yield values must equal or exceed to qualify for the top-performance group (TPG) TPG-avg the maximum value within a column that lodging score values must equal or be less than to qualify for the TPG Coefficient of variation (CV) - the percent of experimental error associated with a test trial Ideally, the CV value for yield is less than % Values less than % tend to be less common while values of 6 to % are more common Occasionally, values exceed %; this means the trial contained too much experimental error to be a valid test; thus, no data analysis for that table column is reported Table G Mailing addresses of entrants in the soybean trials Entrant name (brand name) & Mailing address Channel Bio Corp (Channel), Hwy, Huxley, IA Dairyland Seed Co, Inc (Dairyland), PO Box 98, West Bend, WI 39 G Genetics (G), 363 Hwy 69N, Forest City, IA 36 Hefty Seed Co (Hefty), nd St, Baltic, SD 3 Minnesota Crop Improvement Assoc, 9 Hendon Ave, St Paul, MN 8 Monsanto (Asgrow), West Carol Ave, Cortland, IL 6 Mustang Seeds (Mustang), PO Box 66, Madison, SD North Star Genetics, MN Nutech Seed, LLC (Nutech), 363 Hwy 69N, Forest City, IA 36 REA Hybrids, (REA), 3 Ave S, Moorhead, MN 66 Renk Seed Co (Renk), 689 Wilburn Rd, Sun Prairie, WI 39 Pioneer Hi-Bred Intl (Pioneer), St Andrews Ct, Mankato, MN 6 Prairie Brand Seed Co (Praire Brand), X Ave, Story City, IA 8 Richland Organics, Inc (Richland Organics), Tenth St North, Breckenridge, MN 6 Seeds (Seeds ), PO Box, Breckenridge, MN 6 SK Food International, 666 Amber Valley Parkway, Fargo, ND 8 Sodak Genetics (Sodak), North Campus Dr, Brookings, SD Stine Seed Co(Stine), 6 University Ave, Waukee, IA 63 South Dakota State University, Plant Science Department, Box A, Brookings, SD 3

16 Table Glyphosate-resistant maturity group- soybean variety yield and lodging averages- northern South Dakota locations, 9- Entries are sorted by -Yr then by zone yield Northern Averages by Location* Northern Zone Averages DTM South Shore Warner Brand/Variety [] Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a Lodg -Yr (-) [] -Yr (-) [] -Yr (-) [] DAIRYLAND/ DSR-/RY NUTECH/ 886RR 3 8 SODAK GEN/SD 93RR PRAIRIE BR/ PB-999RR PRAIRIE BR/ PB-9RR PIONEER/ 9Y NUTECH/ 99RR 3 6 NUTECH/ 889RR G-/ GENETICS G-/ GENETICS 688 PRAIRIE BR/ EXP 8 SEEDS / EXP9 8 ASGROW/ AG HEFTY/ 9Y 9 PRAIRIE BR/ PB89R PRAIRIE BR/ EXP 3 NUTECH/ 68 6 G-/ GENETICS HEFTY/ H9Y 3 PRAIRIE BR/ PB-R SEEDS / EXP6 3 3 MUSTANG/ 6 MUSTANG/ MUSTANG/ 99 6 STINE/ 6RA 3 Test avg : High avg : Low avg : [3] Test LSD (): [] MinTPG-avg : [] MaxTPG-avg : [6] Test Coef Var: No Entries: NS** 3 8 [] DTM= days to maturity from seeding dates of May at South Shore and May 8 at Warner Note that additional table footnotes are explained in Table F * Shaded values within a column are included in the top-performance group Look for hybrids with more shaded values, the more the better ** Indicates differences between values within a column are non-significant (NS) *** There were significant variety by location interactions for yield zone averages Therefore, evaluate yield by using the yield columns for each location 9 NS *** 8 *** 6 3 *** 6

17 Table Glyphosate-resistant maturity group-i soybean variety yield and lodging averages- northern South Dakota locations, 9- Entries are sorted by -Yr then by zone yield Brand/Variety DTM [] Northern Averages by Location* South Shore Warner Northern Zone Averages Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a -Yr (-) [] -Yr (-) [] -Yr DAIRYLAND/ DSR-3/RY 9 PRAIRIE BR/ PB-9RR 6 PRAIRIE BR/ PB99R NUTECH/ 6 8 DAIRYLAND/ DSR-/RR HEFTY/ H 3 G-/ GENETICS NUTECH/ 6+RR PRAIRIE BR/ PB-33RR 3 3 Lodg (-) [] SODAK GEN/SD 6RR/ SCN HEFTY/ H39 8 SEEDS / RR 8 ASGROW/ AG DAIRYLAND/ DSR-/RY 3 PRAIRIE BR/ PB-R MUSTANG/ 33 MUSTANG/ ASGROW/ AG3 9 ASGROW/ AG3 DAIRYLAND/ DSR/RY PRAIRIE BR/ PB-9R 9 3 SODAK GEN/SD RR 3 ASGROW/ AG MUSTANG/ REA/ 6G 8 9 REA/ G REA/ EXP G REA/ EXP 6G 3 9 PRAIRIE BR/ PB-R HEFTY/ HY HEFTY/ H6Y 3 8 G-/ GENETICS G-/ GENETICS REA/ G 6 8 PRAIRIE BR/ PB-R 8 PRAIRIE BR/ EXP PRAIRIE BR/ EXP ASGROW/ AG3 6 3 NUTECH/ NUTECH/

18 Table Glyphosate-resistant maturity group-i soybean variety yield and lodging averages- northern South Dakota locations, 9- (continued) Brand/Variety DTM [] Northern Averages by Location* South Shore Warner Northern Zone Averages Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a Lodg -Yr (-) [] -Yr (-) [] -Yr (-) [] REA/ EXP G9 PIONEER/ 9Y 3 8 HEFTY/ HY G-/ GENETICS PIONEER/ 9Y6 3 STINE/ RA6 9 STINE/ 3R8 8 STINE/ RA 3 CHANNEL/ R 3 8 CHANNEL/ R CHANNEL/ R NORTHSTAR/ NS6 6 3 Test avg : High avg : Low avg : [3] Test LSD (): [] MinTPG-avg : [] MaxTPG-avg : [6] Test Coef Var: No Entries: 96 NS** [] DTM= days to maturity from seeding dates of May at South Shore and May 8 at Warner Note that additional table footnotes are explained in Table F * Shaded values within a column are included in the top-performance group Look for hybrids with more shaded values, the more the better ** Indicates differences between values within a column are non-significant (NS) *** There were significant variety by location interactions for yield zone averages Therefore, evaluate yield by using the yield columns for each location 9 NS *** 8 *** 88 *** 88 6

19 Table 3 Glyphosate-resistant maturity group- soybean variety yield and lodging averages- central South Dakota locations, 9- Entries are sorted by -Yr then by zone yield Central Averages by Location* Central Zone Brand/Variety DTM Brookings Bancroft Averages [] Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a Lodg -Yr (-) [] -Yr (-) [] -Yr (-) [] NUTECH/ 886RR G-/ GENETICS SODAK GEN/SD 93RR 6 3 NUTECH/ 99RR G-/ GENETICS G-/ GENETICS NUTECH/ 889RR 3 9 Test avg : High avg : Low avg : [3] Test LSD (): [] MinTPG-avg : [] MaxTPG-avg : [6] Test Coef Var: No Entries: NS** 3 9 NS [] DTM= days to maturity from seeding dates of May at Brookings and June 3 at Bancroft Note that additional table footnotes are explained in Table F * Shaded values within a column are included in the top-performance group Look for hybrids with more shaded values, the more the better ** Indicates differences between values within a column are non-significant (NS) *** There were significant variety by location interactions for yield zone averages Therefore, evaluate yield by using the yield columns for each location 6 3 NS NS 8 *** 6 *** ***

20 Table Glyphosate-resistant maturity group-i soybean variety yield and lodging averages- central South Dakota locations, 9- Entries are sorted by -Yr then by zone yield Central Averages by Location* Central Zone Averages DTM Brookings Bancroft Brand/Variety [] Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a Lodg -Yr (-) [] -Yr (-) [] -Yr (-) [] PRAIRIE BR/ PB-8RR HEFTY/ H MUSTANG/ PRAIRIE BR/ PB-9RR PIONEER/ 9Y PRAIRIE BR/ EXP NUTECH/ 6+RR DAIRYLAND/ DSR-8/RY PRAIRIE BR/ PB-8R NUTECH/ 88RN NUTECH/ 99 3 PRAIRIE BR/ PB99R NUTECH/ G-/ GENETICS 69 3 SODAK GEN/SD 6RR/SCN 38 9 MUSTANG/ 63 6 PRAIRIE BR/ PB ASGROW/ AG HEFTY/ H3Y HEFTY/ H9Y ASGROW/ AG MUSTANG/ STINE/ 8RA REA /6G REA/ G MUSTANG/ 88 6 HEFTY/ H6Y G-/ GENETICS REA/ EXP G 3 6 REA/ EXP 6G 6 3 PRAIRIE BR/ PB-R 6 3 PRAIRIE BR/ PB-9R ASGROW/ AG PIONEER/ 9Y6 6 6 NUTECH/ DAIRYLAND/ DSR-/RY G-/ GENETICS 8 6 PRAIRIE BR/ PB-R 6 PRAIRIE BR/ PB-R SODAK GEN/SD RR

21 Table Glyphosate-resistant maturity group-i soybean variety yield and lodging averages- central South Dakota locations, 9- (continued) Central Averages by Location* Central Zone Averages DTM Brookings Bancroft Brand/Variety [] Yield-bu/a Lodg Yield-bu/a Lodg Yield-bu/a Lodg -Yr (-) [] -Yr (-) [] -Yr (-) [] ASGROW/ AG3 9 ASGROW/ AG REA/ G 9 6 HEFTY/ H8Y 8 REA/ EXP G CHANNEL/ R 9 6 RENK/ RSR 6 63 STINE/ 6RA 6 DAIRYLAND/ DST9-3/RY RENK/ RS8 9 6 DAIRYLAND/ DST8-3/RY 9 PIONEER/ 9Y 3 8 CHANNEL/ R 8 RENK/ RS6 RENK/ RS 9 STINE/ 3R8 8 Test avg : High avg : Low avg : [3] Test LSD (): 3 NS** *** *** *** [] MinTPG-avg : [] MaxTPG-avg : [6] Test Coef Var: No Entries: [] DTM= days to maturity from seeding dates of May at Brookings and June 3 at Bancroft Note that additional table footnotes are explained in Table F * Shaded values within a column are included in the top-performance group Look for hybrids with more shaded values, the more the better ** Indicates differences between values within a column are non-significant (NS) *** There were significant variety by location interactions for yield zone averages Therefore, evaluate yield by using the yield columns for each location 9