Spring Grain Nursery. Results

Transcription

1 Spring Grain Nursery pg. 1 The spring grain nursery was established on the farm of George Fehrenbacher, Prineville, Oregon. The soil was probably a fine sandy loam or a silt loam. The nursery was seeded on April 14 and 15, 1960 and was harvested August 15, Details on seeding rates and experimental techniques may be found in the appendix in the Cereal grain section. Because of the deficiency of water in the Ochoco project this nursery received only one irrigation during the crop season and that irrigation was early in the growing period. The nursery remained green longer than the remainder of the farmers field, probably because there were fewer plants drawing the limited moisture. Spring Wheat. Results Table No. 11 presents the yield in bushels and pounds per acre the multiple range test for significance, bushel weight, average plant height in inches and the average heading date for the varieties. Appendix Table No. 13 shows the yield in pounds per acre lin.. replicate". The data in Table No. 11 indicates that there was no statistically significant difference in the yield of Kenya x Lemhi (13405), Onas 53, Kenhi, Lemhi 53, Federation, Federation 41, and 5 AB970. Kenya x Lemhi (13405), Onas 53 were first and second respectively in rank and were significantly higher yielding than Marled, Seven, Heart 46, Orfed, Atson and Henry. Also under these warm dry conditions, Kenhi, Lemhi 53 and Federation were higher than Orfed, Atson and Henry. Wed and Atson are particularly late maturing under Central Oregon conditions. Henry has seldom been particularly high yielding except during years when leaf rust is exceedingly prevalent. The data indicates an association between plant height and yield with the taller varieties being lower yielding. With the varieties tested under Central Oregon conditions usually the taller varieties are also the late maturing varieties. The late season water shortage during 1960 would, consequently, have a more drastic effect on the later maturing varieties and result in this association. The bushel weight, however, indicates that no variety was able to fill properly under the growing conditions of Spring Oats. As was true in wheat, generally the taller later maturing varieties suffered considerably more from the shortage of irrigation water than did the shorter early maturing varieties. This effect placed the normally high yielding varieties such as Park, Victory relatively lower on the list and varieties which under normal conditions have not been considered high yielding in Central Oregon e.g. Cody, Clinton x Overland (5933) in the first and second rank. Certain of the varieties Centotte and Overland did relatively poorer than expected even though they are early maturing. This might indicate that Centure and Overland are not as able to with.* stand high summer temperatures as Cody. The summer of 1960 wee warmer than usual for Central Oregon particularly during the period of grain maturation. The yields be replicate are presented in Appendix Table No. 14.

2 Appendix Table No._1 Yield in Pounds Per Acre by Replicate for the Spring Wheat Varieties Grown on the George iehrenbacher Farm, Prineville, Oregon Average Variety or Line Pedigree I II III IV Federation 7.J Lemhi ,7 40_5 Marfed ,9 161,9 Onas I4 671d_7j7. Lemhi ;6; ,9 Kenhi , :S ,...,,-7, ' geed a, 115';, 15, 0 Federation ;.7 Henry Baart , Atson EeaygzLgmhi3o5ga4, Seven , Coefficient of Variation:14.4% Seeded: April 14, 1960 Harvested: A ugust 15, 1960

3 Apjendix Table No. 1 Yield in Pounds Per Acre by Replicate for the Spring Oat Varieties Grown on the George Fehrenbacber Farm, Prineville, Oregon Variety or Line Victory Overland Centore Cody Weibulls 1600 Sa x V x C.I x Overland Clinton x Overland C.I. 763 Marne 55 Park Average Pedigree I II III IV iii eido _3..1E371_._554PrrdatQ.._ 0E15t, ,1_ _ _ , Coefficient of Variation 16.4% 5.4,O M.!) Seeded: April 15, 1960 Harvested: August 15, 1960 fj

4 pg. Spring Barley. The same situation exists with barley as was previously described for wheat and oats, in that, the usually high yielding late varieties are at the bottom of the list during the warm dry year of The bushel weights of barley indicate that barley was more able to fill normally because of its shorter growing season requirements. This may be observed in Table No. 13. The B series of selection have been generally right at the top of the list - as far as yield is concerned but are late maturing. Consequently, during 1960 this series appears at the bottom. The yields in pounds of seed per acre by replicate may be found in Appendix Table No. 15.

5 Ta ble No. 11 Y ield in Bushels and Pounds Per Acre, Bushel Wt., Average Plant Height and Average Heading Date for the Spring Wheat Variety Grown on the George Fehrenbacher Farm - Prineville, Oregon Yield Multiple Plant Ave. Bushels Pounds Range Test Height Heading Varieties of Line Pedigree Per Acre Per Acre for Sig. Dif. Bushel Wt. Inches Date Kenya x Lephi Onas Kenhi o. 6 Lemhi O Federation '.0 Federation AB 970 _ Lembi O Marfed Sevenno 36, Baa rt :8 Orfed / A.tson / Henri ,) _657 Coefficient of Variation 14.4 (1) The yields of any two varieties spanned by the same line are not significantly different. Seeded: April 14, 1960 Harvested: August 15, 1960

6 Table No. 1 Y field in Bushels and Pounds Per Acre, Bushel:Wt., Plant Height Inches and Average Heading Date for the Spring Oat Varieties Grown an the George Fehrenbacher Farm Prineville, Oregon Variety or Line Yield Plant Bushels Pounds Range Test Bushel Height Pedigree Per Acre Per Acre for Sig. Dif. Wt. In Inches Average Heading Date ; 3047;8, /7 Clinton x Overland (Wric 0:old x ;e x I erland entore 3: Marne l.0 6/30 Overland Weibulls ; Park icto a Seeded: April 15, Harvested: August (1) The yields of , any two varieties spanned by the same line are not significantly different. ro :q

7 Table 110, 13 Yield in B ushels and Pounds Per Acre, Bushel Wt., Plant Height in Inches, and Average Heading Date far for the Spring Barley Varieties Groan on the George Fehrenbacher Farm - Prineville, Oregon Yield Multiple Plant Average Bushels Pounds Range Test Bushel Height Heading Variety or Line Pedigree Per Acre Per Acre for Sig. Dif. Weight in Inches Date 51AB lab ' ' Trebi B Glacier x Titan Firlbecks III H iland ; Hannchen /6 31. nneville B gr.3 9 Ezond x Frontier Sel. 46 3; 0. Seeded: April 14, 1960 Harvested: August 15, 1960 (I) The yields of any two varieties spanned by the same line are not significantly different.

8 Appendix Table No. 1 Yield in Pounds Per Acre By Replicate for the Spring Barley Varieties Grown on the George Fehrenbacher Farm, Prineville, Oregon Average Variety of Line Pedigree I II III IT Yield annchen , Trebi AB u , B _ B Ezond x Frontier Sol Hiland _ L ,18,ti _ Bonneville , auz,l_ , a AB 5396 _ ) Firlbecks III AB Glacier x Titan 1..._351,...4 6E Seeded: April 14, 1960 Harvested: August 15, 1960 a allia_