2018 Dicamba Training For Approved Dicamba Formulations

Transcription

1 2018 Dicamba Training For Approved Dicamba Formulations Call if you are disconnected from the conference, and ask for the BASF Dicamba Training. To join the webinar: Login to An operator will provide the webinar ID. These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18

2 Training For Approved Dicamba Formulations The following dicamba formulations are approved for use on dicamba-tolerant and certain conventional crops and are covered by this training: Engenia herbicide from BASF Tank-mixtures: XtendiMax herbicide with VaporGrip Technology xtendimaxapplicationrequirements.com DuPont FeXapan herbicide Plus VaporGrip Technology Slides contain language from the Engenia herbicide label. Xtendimax and FeXapan label language may vary. Always read and follow the specific product label. These products are US EPA Restricted Use Pesticides. These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 2

3 Training For Approved Dicamba Formulations This training satisfies the US EPA requirement for mandatory dicamba applicator training. Per the Engenia herbicide label (US EPA Reg No ): Prior to applying this product, all applicators must complete dicamba or auxin-specific training. Check with your state pesticide regulatory agency for additional training and application requirements or restrictions imposed by your state. This training is not a substitute for the state-specific Certified Applicator training required to purchase and apply a Restricted Use Pesticide Refer to specific state and local requirements for applicator certification process These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 3

4 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 4

5 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 5

6 Dicamba is a Synthetic Auxin Herbicide Synthetic auxins are very effective herbicides Broadleaf plants (dicots) are very susceptible Grass plants (monocots) are generally tolerant Effect on plant growth is systemic IAA (auxin) Dicamba Symptomology can develop at very low rates Only affects new growth Visual symptoms are delayed 2,4-D Very low rates can cause symptomology in new growth 6

7 Synthetic Auxin Herbicides Sensitivity scale for dicamba Lower Broccoli Cabbage Kale Mustard Pecan Turnip Moderate Cantaloupe Cucumber Peach Peanut Squash Severe Cotton Pepper Tomato Watermelon Herbicide Rate of Visually Detectable Response ExtremeGrapes* Grapes* Lima bean Lima bean Southern pea Southern Snap pea bean Snap bean Soybean Soybean Sweet potato* Sweet potato* Tobacco* Tobacco* Extreme > 1/75X 1/75-1/300X 1/300-1/800X < 1/800X Many broadleaf crops are very sensitive to dicamba Adapted from Dr. Stanley Culpepper, UGA Cooperative. *Data from literature; all other data generated in GA field studies. These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 1/18 7

8 Soybean Sensitivity To Herbicides Rate Dicamba Glufosinate Glyphosate 1/100 of field rate 1/1000 of field rate Soybeans are extremely sensitive to dicamba relative to other herbicides 2017 BASF field research trials 8

9 Dicamba Flat Response Curve 4-Fold difference in exposure 1/1000X 1/4000X 1/2000X Based on 0.5 lb ae/a as the 1X rate Can be difficult to differentiate symptomology across rates 2017 BASF field research trials 9

10 Dicamba Symptomology Which plot received a higher dose? 1/100X rate 1/1000X rate Fitchburg, WI 16 DAT Sprayed on July 16, 2014 Photo taken on August 1,

11 Dicamba Symptomology Other crops Cucumbers Grapes Courtesy of University of Arkansas Extension Tomatoes Courtesy of OSU Extension Sweet Potatoes BASF Photo Oak trees Courtesy of University of Arkansas Extension Dry Beans Exercise extreme care with dicamba applications with nearby broadleaf crops 11

12 Synthetic Auxin Herbicides Summary Dicamba is a synthetic auxin herbicide Most dicot plants are very sensitive to synthetic auxin herbicides Extremely low doses (below 1% of a full rate) can cause auxin like symptoms Product labels must be carefully followed to prevent both drift to sensitive species or spray system contamination Following application requirements is critical to mitigate off-target movement 12

13 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 13

14 Approved Dicamba Formulations Key elements for on-target applications Only Engenia, Xtendimax and FeXapan herbicides are registered for use on dicamba tolerant soybeans and cotton. Use of other dicamba formulations is illegal and applicators could be subjected to significant fines by regulatory authorities.. 14

15 Mechanisms of off-target movement Primary: Wind transport of spray particles Including temperature inversion Tank/equipment contamination Secondary: Water movement Volatility Approved dicamba formulations and label requirements address these mechanisms of off-target movement 15

16 Approved Dicamba Formulations Reduction in volatility Thermogravimetric Analysis % Relative Volatility Banvel herbicide Test conditions: Temp = 100 C/212 F Time = 20 hours Air flow = 60 ml/min RH = 0% Clarity herbicide Engenia herbicide >90% Reduction in Volatility Compared to Clarity herbicide Volatility has been addressed with new low volatility formulations and restrictions on tank mixtures and adjuvants Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide.. 16

17 Approved Dicamba Formulations 2018 EPA requirements for on-target applications* Nozzle Ground Speed Boom Height Wind Speed Tank Mixtures/ Additives Application Volume Go to website of approved dicamba formulation for list of nozzles < 15 mph / recommend 5 mph on field edges < 24 inches to spray target 3 to 10 mph Go to website of approved dicamba formulation for updated list NO ammonium salts (e.g., AMS, UAN) or acidifying water conditioners 10 GPA minimum for Engenia herbicide, recommend GPA 15 GPA minimum for Xtendimax herbicide and FeXapan herbicide Additional state restrictions may apply *Always read and follow label directions. Engenia, Xtendimax and FeXapan are US EPA restricted use pesticides. 17

18 Approved Dicamba Formulations 2018 EPA requirements for on-target applications* Timing Weed Height Sensitive Crops Buffer Zones Temperature Inversions Burndown through R1 (soy); Up to 7 day Preharvest (cotton) 4 inches or less DO NOT spray if wind is blowing toward neighboring sensitive crops Includes non-dicamba tolerant soybeans 110 feet downwind to non-crop areas as needed according to label directions DO NOT apply during a field level temperature inversion Daytime Applications Only apply from sunrise until sunset Additional state restrictions may apply *Always read and follow label directions. Engenia, Xtendimax, and FeXapan herbicides are US EPA restricted use pesticides. 18

19 Approved Dicamba Formulations 2018 EPA requirements for on-target applications* Sprayer Cleanout Rain Free Interval Training Recording Keeping Triple rinse use detergent based cleaner before & after application 24 hours Complete dicamba or auxin-specific training Including application and tank cleanout No Aerial Applications Check with local state regulatory authorities for any additional restrictions *Always read and follow label directions. Engenia, Xtendimax, and FeXapan herbicides are US EPA restricted use pesticides. 19

20 Approved Dicamba Formulations 2018 EPA requirements for on-target applications These label restrictions in this presentation cover US EPA requirements only Refer to label for a comprehensive list of all restrictions and requirements Additional state restrictions may apply Check with state extension or regulatory agencies States may have Special Local Needs Sec.24(c) or specific requirements Requirements apply to all conventional and dicamba tolerant crop uses If an applicator is unwilling or unable to follow the application requirements specified on the label: DO NOT apply dicamba 20

21 Approved Dicamba Formulations Key elements for on-target applications 1. Nozzles and boom height 2. Wind speed/direction and buffers 3. Tank mixtures 4. Avoid temperature inversions 5. Spray system hygiene. 21

22 Volume frequency (%) Nozzle Selection First & most important decision made by an applicator 0.07 Engenia Herbicide + glyphosate Driftable Fines Nozzle Type Driftable Fines < 150 µm 35% XR % AIXR <1% TTI Droplet size (µm) Go to website of approved dicamba formulation for list of nozzles Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 22

23 Nozzle Selection First & most important decision made by an applicator Example of approved nozzles on engeniatankmix.com* Use only approved nozzles at manufacturer recommended pressure ranges unless restricted by label *Taken from Engeniatankmix.com on January 4, 2018 *Based on increased deposition at 110 in AGDISP modelling comparing approved TTI vs. unapproved TT each at 60 PSI 23

24 Nozzle Selection First & most important decision made by an applicator Incorrect nozzles can increase drift by 66 times* *Based on increased deposition at 110 in AGDISP modelling comparing approved TTI vs. unapproved TT each at 60 PSI 24

25 % Driftable Fines (< 150 µm) Nozzle Selection Impact of drift reduction agent (DRA) on nozzle performance No DRA Plus DRA AIXR TTI Nozzle Type The wrong nozzle choice can t be fixed with a DRA 2017 BASF lab study. Nozzle parameters: 10 GPA at 40 PSI. Herbicides: Engenia herbicide (12.8 fl oz/a) + glyphosate. Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 25

26 Boom Height Requirement Key for consistency of nozzle performance 24 Maximum Boom Height Above Target 48 height can increase drift potential by 5.6 times* *Based on increased deposition at 110 in AGDISP modelling comparing 24 vs. 48 above target with approved TTI at 60 PSI These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 1/18 26

27 Wind Speed Requirements Apply when winds are 3 to 10 mph Wind Speed Label Requirement Comments < 3 mph DO NOT spray Avoid temperature inversions 3 to 10 mph* Spray ONLY IF wind is blowing away from neighboring sensitive crops This includes nondicamba tolerant soybeans > 10 mph DO NOT spray Additional state restrictions may apply * Sustained wind speed, but consider potential of wind gusts based on frequency and speed of gust. Monitor wind speed and direction during application and adjust accordingly. 27

28 Wind Speed Influence on physical spray drift Doubling wind speed (i.e. from 10 to 20 MPH) can increase potential drift by 3.4 times* *Based increased deposition at 110 in AGDISP modelling comparing 10 vs. 20 mph with approved TTI at 60 PSI. 28

29 Sensitive Areas and Crops Know your surroundings prior to application Goal: Locate sensitive areas and crops around your dicamba tolerant crop field and to develop an application plan Survey surroundings for potential neighboring sensitive areas and crops Visit with your neighbors on their cropping plans around your fields Consult sensitive crop registries for location of specialty crops and other sensitive sites Record areas of potential buffer zones around all edges of the field Document your efforts to identify sensitive crops Improve decision making with prior knowledge of your surroundings. 29

30 Sensitive Areas and Crops Definition of non-sensitive areas The following areas do not need a buffer if they exist downwind: Agricultural fields that have been prepared for planting Fields planted to dicamba tolerant soybeans and cotton Fields planted to asparagus, corn, sorghum, proso millet, small grains, and sugarcane Roads, paved or gravel surfaces Areas covered by the footprint of a building, shade house, silo, feed crib, or other man made structure with walls and or roof These areas can be included in buffer calculations. 30

31 Sensitive Areas and Crops Buffer zones and when not to spray Category Examples Buffer Requirement Sensitive areas: noncrop areas potentially harboring threatened or endangered species Native vegetation Woodland Bodies of water Road ditches Requires 110 downwind buffer Sensitive crops Non-dicamba-tolerant soybeans and cotton Alfalfa Sunflowers Fruiting vegetables (e.g., tomatoes) Tobacco Cucurbits Grapes Tree fruit Residential areas DO NOT spray if these are neighboring and downwind Know your surroundings before you make a dicamba application. 31

32 Sensitive Areas and Crops Non-target susceptible plants DO NOT apply where spray drift may occur to food, forage or other plantings DO NOT apply when wind is blowing in the direction of neighboring sensitive crops For example: Non-dicamba-tolerant soybeans, specialty crops, residential areas It is up to the applicator to use proper judgement to decide what field is neighboring and thereby susceptible to drift Avoiding spray drift at the application site is the responsibility of the applicator. 32

33 Spray Buffer Requirements Example of no buffer required North Wind 3 to 10 MPH Liberty Link Soybeans Corn Tree line No buffer needed if nonsensitive area (e.g., corn) exists downwind Additional state restrictions may apply Dicamba Tolerant Soybeans Dicamba-Tolerant Soybeans Dicamba-Tolerant Soybeans Wind Direction Corn Avoiding spray drift at the application site is the responsibility of the applicator. 33

34 Spray Buffer Requirements Example of buffer required Northwest Wind 3 to 10 MPH Liberty Link Soybeans Corn Tree line 110 Downwind buffer adjacent to sensitive areas (e.g., tree line) Additional state restrictions may apply Dicamba Tolerant Soybeans Dicamba-Tolerant Soybeans Dicamba-Tolerant Soybeans Wind Direction Corn Avoiding spray drift at the application site is the responsibility of the applicator. 34

35 Spray Buffer Requirements Example of when not to spray DO NOT spray with neighboring sensitive crops downwind (e.g., Liberty Link soybeans) Liberty Link Soybeans Corn Southwest Wind 3 to 10 MPH Additional state restrictions may apply Dicamba Tolerant Soybeans Dicamba-Tolerant Soybeans Dicamba-Tolerant Soybeans Wind Direction Corn Avoiding spray drift at the application site is the responsibility of the applicator. 35

36 Spray Buffer Requirements Should you spray? West Wind 3 to 10 MPH Liberty Link Soybeans Corn Tree line 110 Downwind buffer adjacent to sensitive areas (e.g., tree line) Additional state restrictions may apply Dicamba Tolerant Soybeans Dicamba-Tolerant Soybeans Dicamba-Tolerant Soybeans Wind Direction Liberty Link Soybeans Consider your surroundings not every field should be sprayed with dicamba. 36

37 Tank Mixtures Only use products approved by the EPA Consult respective websites for list of approved tank-mix partners Engenia herbicide : Xtendimax herbicide: FeXapan herbicide: protection/soybean-protection/articles/fexapan-application.html Required for conventional and dicamba-tolerant uses Use approved DRA if required NO ammonium salts (e.g. AMS, UAN) or acidifying water conditioners Tank must be cleaned prior to mixing so that no AMS or UAN residues remain These restrictions apply to all conventional and DT crop uses Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides.. 37

38 Tank Mixtures: Impact of AMS on dicamba volatility 8 Dicamba Loss (%) 8 6 BASF Lab Study Engenia Engenia herbicide: 12.8 fl oz/a AMS 0.5% Engenia w/v at + 10 AMS GPA + AMS Temperature ((C) F) Test Conditions: Duration: 24 hours Air flow: 0.5 l/min using 2.5 l tank RH: 35% Substrate: glass Engenia herbicide Alone AMS increases potential volatility by 20 times Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 38

39 Approved Dicamba Formulations Additional labeled application requirements Crop application window: Cotton Preplant up to 7 days preharvest (recommend up to 1 st bloom) Soybean Preplant through R1 growth stage Do not apply when soybeans have reached R2 stage. R2 stage soybeans have a flower (usually white or purple) within the top two nodes of the plant R2 soybean stage Additional state restrictions may apply Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 39

40 Approved Dicamba Formulations Additional labeled application requirements Minimum application volume: 10 GPA (for Engenia herbicide) Recommend GPA for best coverage Sprayer speed: 15 mph Rainfall and irrigation Rainfast: 4 hours; Rain free interval: 24 hours DO NOT apply aerially Additional state restrictions may apply Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 40

41 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 41

42 Avoid Temperature Inversions ONLY apply between sunrise and sunset DO NOT apply when temperature inversions exist at the field level Temperature inversions occur when temperatures increase with altitude Presence often indicated by ground fog, smoke not rising, dust hanging over a road, or presence of dew or frost Most inversions occur between 2 hours before sunset until 1 hour after sunrise Confirm that field level inversions DO NOT exist before application

43 Temperature Inversions Impact on physical spray drift During an inversion small droplets remain suspended in air and move great distances horizontality for as long as inversion lasts Larger area potentially impacted Symptomology possible over large area Direction & distance of movement is unpredictable DO NOT make applications when an inversion exists at the field level. 43

44 Temperature Inversions Impact on physical spray drift HySplit Modeling of Spray Drift Utilizing Actual Weather Conditions Labeled Application Turbo TeeJet Induction (TTI) nozzles at 60 PSI applied at 1 PM on June 6, Wind speed ~9 MPH. During An Inversion Turbo TeeJet Induction Nozzles (TTI) at 60 PSI applied at 9 PM on June 2, Wind speed < 3 MPH 1 Mile Proportion of Field Rate 1/10,000X 1/1,000X 1/100X 1 Mile June 6 modeling with 15 minute droplet half life. June 2 modeling with no droplet half life. Based on weather data from Keiser, AR. 12X larger area impacted during inversion. 44

45 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 45

46 Spray System Hygiene 2018 US EPA requirements Spray equipment must be thoroughly cleaned before and after application of approved dicamba products Document that required cleanout procedures were followed Date and method at minimum Triple rinse procedure outlined on the label Use detergent based tank cleaner in 2 nd rinse Wash the exterior of the sprayer Remove and clean end caps, nozzles, screens, and filters Hygiene is critical at all points in the handling and mixing process 46

47 Why focus on hygiene of the entire handling process of pesticides? Contamination can damage susceptible crops Potential to affect multiple fields Patterns may or may not be visible Contamination can cause incompatibility and plug screens and/or other sprayer parts Contamination with ammonium sulfate (AMS) can compromise lower volatility improvements of new dicamba formulations 47

48 How much dicamba does it take to potentially contaminate a sprayer? 3 ml of formulated product 12 fl oz of spray solution Commercial sprayer with 1000 gallon tank Application volume: 10 GPA Hygiene is critical to preventing spray system contamination 48

49 Simple Handling and Mixing Model Limited points of potential contamination Product mixed directly in sprayer Product applied If there is no upstream product handling, then the sprayer is sole source of contamination concern 49

50 Upstream Handling and Mixing Multiple points of potential contamination Storage tanks/shuttles Hoses and pumps at the shed and in the field Especially unlined EPDM hoses Mixing and loading equipment Nurse trucks Any thing formulated product and/or spray solution touches prior to the sprayer can be a source of contamination 50

51 Complex Handling and Mixing Model Multiple points of potential contamination Bulk product storage Dedicated system(s) recommended to prevent contamination Product transfer Mini-bulk storage Product mixing 51

52 Complex Handling and Mixing Model Multiple points of potential contamination Overhead transfer and filling Product mixing Nurse truck hot loads Dedicated system(s) recommended to prevent contamination In-field mixing and filling 52

53 Spray System Hygiene Summary Spray equipment must be thoroughly cleaned before and after application of approved dicamba products Ensure all pumps, hoses, tanks, and other mixing and loading equipment are thoroughly cleaned before using that equipment for non-dicamba crops Consider having dedicated system for all equipment used in measuring, mixing, loading, and applying dicamba products Hygiene is critical at all points in the handling and mixing process 53

54 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 54

55 Record Keeping 2018 US EPA requirements Engenia herbicide is now a Restricted Use Pesticide (RUP) Only Certified Applicators, and those operating under their guidance, may purchase and apply Engenia herbicide Individual state requirements may vary Paper and electronic forms will be provided to ease recording of information 55

56 Record Keeping 2018 US EPA requirements Record keeping of all applications is required Records must be generated as soon as practical but no later than 14 days after application Records must be retained for 2 years Records must be kept by field as defined by borders If you move to a new field with different borders, new records must be kept Must be made available upon request to State Pesticide Control Officials, USDA, and EPA All required records per 7 CFR Part 110 Refer to federal label for full listing of record keeping requirements Paper and electronic forms will be provided to ease recording of information 56

57 Record Keeping Details that must be recorded 1. Certified applicator full name 2. Certification number 3. Product name 4. EPA registration number 5. Total amount applied 6. Application month, day, year 7. Location of application 8. Crop or site receiving the application 9. Size of area treated 10. Applicator proof of training 11. Application timing (PRE or days after planting) 12. Receipts of purchase 13. Product label(s) including 24(c) state local needs 14. Document awareness of sensitive crops 15. Date and procedure for spray system cleanout (before and after spraying) 16. List of tank-mix products with EPA registration numbers 17. Start and finish time 18. Nozzle and pressure 19. Air temperature at boom height at start and finish 20. Wind speed and direction at start and finish Record must be made for each application of approved dicamba products 57

58 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 58

59 Effective Weed Management Key strategies Identify the target weeds Include multiple, effective sites of action (SOA) Use a good residual PRE herbicide Spray your POST herbicide early 4 max weed height Target application at 3 to 5 weeks after planting for soybeans or sooner for cotton Add a residual herbicide to the POST Tailor your weed management plan to the field 59

60 Effective Weed Management Identify the target weeds Understand if weeds are resistant to any herbicide SOA s (e.g., glyphosate, triazine, ALS, HPPD, and PPO) Dicamba is effective on over 200 of the toughest broadleaf weeds Use multiple, effective sites of action to mitigate development of resistance 60

61 Effective Weed Management Palmer amaranth and waterhemp can grow fast! Start with a good residual PRE herbicide Plan to spray POST when weeds are <1 inch tall Minimizes weed competition and impact on crop yield Weeds, especially pigweed species, grow fast! 61

62 Effective Weed Management Use residual herbicide at planting 2016 BASF Trial 30 Days After Post Story City, IA POST ONLY (V3): Engenia herbicide (12.8 fl oz) + glyphosate PRE: Zidua PRO herbicide (6 fl oz) POST (V3): Engenia herbicide (12.8 fl oz) + glyphosate PRE residual followed by POST dicamba preserves yield potential Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 62

63 Effective Weed Management Best practices to optimize efficacy Standard recommendation 15 GPA Better coverage for tough weeds Match nozzle to GPA, pressure, and sprayer speed as specified by the label Use an adjuvant, such as a NIS Maximizes dicamba uptake Add approved Drift Reduction Agent (DRA) if required as listed on website for approved dicamba formulation Plan an early post application 2017 BASF Spray Chamber Results 10 GPA TTI at 40 PSI 15 GPA TTI at 40 PSI Engenia herbicide + glyphosate + adjuvant Optimize efficacy with proper application volume and adjuvant Always read and follow label directions. Engenia is a US EPA Restricted Use Pesticide. 63

64 Effective Weed Management Success requires a plan Use Multiple effective Sites-of-Action Reduce potential for development of weed resistance Use Preemergence Residual herbicides Reduce weed pressure for better control with POST herbicides More time to select the proper spray day for POST Preserve yield potential Plan an Early Post treatment with a residual herbicide Reliable control of small weeds Extended in-season control Tailor your weed management plan to each field 64

65 Training For Approved Dicamba Formulations Topics: Why does dicamba require additional precautions Label requirements for approved dicamba formulations Understanding temperature inversions Spray system hygiene Record keeping Using dicamba in a weed management system Summary These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 01/18 65

66 For Application Success, Follow These Best Practices: Factor Increase in off-target movement Label Requirement Nozzle choice 66X 1 Only use approved nozzles 2 Boom height 5.6X 1 Maintain boom height 24 Wind speed 3.4X 1 Only spray if wind between 3-10 mph Sensitive Areas & Crops HIGH Know what is downwind Inversion 12X larger area DO NOT spray at night or during an inversion AMS/UAN tank-mix Spray system hygiene 20X increase in volatility HIGH Only use approved tank mixtures 2 Clean sprayer/mixing equipment before and after application 1 Based on increased deposition at 110 in AGDISP modeling As listed on the website of the approved dicamba product.

67 Training for Approved Dicamba Formulations Summary of application requirements Additional state restrictions may apply Use Residual Herbicides at-planting Plan to Spray Early Post Know Your Surroundings Know the Weather Conditions Follow label directions for application success Clean the spray system before and after application Handling and applying dicamba requires extra caution and attention Failure to follow any of the label requirements can lead to off-target movement DO NOT use dicamba if you are unwilling or unable to follow requirements Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 67

68 Additional Information Engenia herbicide from BASF Tank-mixtures: XtendiMax herbicide with VaporGrip Technology DuPont FeXapan herbicide Plus VaporGrip Technology Always read and follow the specific product label. These products are US EPA Restricted Use Pesticides. These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory authorities. DATE 11/17. 68

69 The following slides contain additional state-specific requirements for: Florida Kentucky Iowa Minnesota Missouri Nebraska New York North Dakota Oklahoma Ohio South Dakota Tennessee Texas 69

70 Kentucky Department of Agriculture Specific State Regulatory Compliance Information (Approved Dicamba Formulations) KY Any individual making an application of a Restricted Use Pesticide (RUP) must be a certified pesticide applicator. This can be a Private Applicator certification or a Commercial Pesticide Applicator License. This means the person operating the sprayer must be certified. Any deviation from the product label requirements and all supplemental label/document requirements constitutes a violation of state statute or regulation. A violation of state statute or regulation may result in monetary penalties assessed to the violator. DO NOT use dicamba if you are unwilling or unable to follow requirements Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 70

71 Kentucky Department of Agriculture Specific State Regulatory Compliance Information (Approved Dicamba Formulations) KY The Kentucky Department of Agriculture s Pesticide Inspectors will be conducting routine inspections of Private Applicators and Commercial Applicators to ensure compliance with these new label requirements. You must have your application records immediately available at the time of Inspection. If you utilize an electronic record keeping system, you must be able to readily access these records. Our recommendation is to complete the labels record keeping requirement after each application and keep those records on hand. DO NOT use dicamba if you are unwilling or unable to follow requirements Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 71

72 Training for Approved Dicamba Formulations 2018 Missouri Sec. 24(c) label requirements Restricted Use Pesticide For sale to and use ONLY by Certified Applicators. Training Requirement Prior to purchase and/or use of this product, certified applicators must complete mandatory dicamba training provided by University of Missouri Extension. Training verification must be presented to retail establishment, pesticide dealer, or distributor upon taking possession of Engenia. Dicamba Notice of Application Form Certified applicators must complete an online Dicamba Notice of Application form daily prior to each application Application Timing DO NOT apply before 7:30 AM or after 5:30 PM Cutoff Dates Use of Engenia is prohibited after June 1, 2018 in the following counties: Dunklin, Pemiscot, New Madrid, Stoddard, Scott, Mississippi, Butler, Ripley, Bollinger, and Cape Girardeau Use of Engenia is prohibited after July 15, 2018 in all remaining counties. Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. MO 72

73 Record Keeping 2018 Ohio Requirements (OAC ) (A) Commercial Applicators: OH 1. Name of responsible licensed commercial applicator and names of trained serviceperson applying pesticides 2. Name and address of person contracting for service 3. Date of application 4. Type and size of area to be treated 5. Location or field identification number of treatment area 6. Trade name (brand name) and EPA registration number of pesticides used 7. Total amount of each pesticide product used 8. If diluted, total volume of use dilution applied 9. Type of equipment used 10. Time of day of application, start and completion 11. Wind direction and velocity, air temperature MUST BE RECORDED ON DAY OF APPLICATION Additional Label-Required Records: 12. Certification number 13. Applicator proof of training 14. Application timing (PRE or days after planting) 15. Receipts of purchase 16. Product label(s) including 24(c) SLN 17. Document awareness of sensitive crops 18. Date and procedure for spray system cleanout before and after spraying) 19. List of tank-mix products with EPA registration numbers 20. Nozzle and pressure 21. Air temperature at start and finish (*Engenia- at boom height) 22. Wind speed and direction at start and finish 23. Xtendimax/Fexapan: Record of the buffer distance calculation and any areas included within the buffer distance calculations as allowed 73

74 Record Keeping 2018 Ohio Requirements (OAC ) (E) Private Applicators: OH 1. The responsible private applicator's name and license number 2. The brand or product name and EPA registration number of the restricted use pesticide applied; 3. The total amount of the restricted use pesticide applied 4. Location and/or field number for area treated and total area or acreage treated 5. Crop treated 6. Month, day and year of application MUST BE RECORDED ON DAY OF APPLICATION Additional Label-Required Records: 7. Applicator proof of training 8. Application timing (PRE or days after planting) 9. Receipts of purchase 10. Product label(s) including 24(c) SLN 11. Document awareness of sensitive crops 12. Date and procedure for spray system cleanout (before and after spraying) 13. List of tank-mix products with EPA registration numbers 14. Nozzle and pressure 15. Air temperature at start and finish (*Engenia- at boom height) 16. Wind speed and direction at start and finish 17. Xtendimax/Fexapan: Record of the buffer distance calculation and any areas included within the buffer distance calculations as allowed 74

75 Training for Approved Dicamba Formulations South Dakota Additional State Information Additional Requirements SD Applications under supervision of a certified applicator does not apply in South Dakota. Commercial applicators must retain records for 3 years. Private applicators must retain records for 2 years. Additional Recommendations Tank mix and nozzle information must be printed and with the applicator at time of application, and attached to the spray records once the application is complete. Records are to be completed at the end of each day, and must include crop stage at the time of application. Minimum 15 GPA carrier volume. While not required, it is a best practice to be trained prior to purchase. Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 75

76 Training for Approved Dicamba Formulations 2018 US EPA label requirements which are the same in MN and neighboring states Boom Height < 24 inches to spray target Wind Speed Sensitive Crops Buffer Zones Tank Mixtures / Additives Temperature Inversions Sprayer Cleanout Training Recording Keeping Weed Height Rain Free Interval 3 10 mph DO NOT spray if wind is blowing toward neighboring sensitive crops Includes non-dicamba-tolerant soybeans 110 feet downwind to non-crop areas as needed according to label directions Updated list at NO ammonium salts (e.g., AMS, UAN) or acidifying water conditioners DO NOT apply during a field level temperature inversion Triple rinse and use a detergent based cleaner before and after application Complete dicamba or auxin-specific training Including application and tank cleanout 4 or less 24 hours MN No Aerial Applications Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 76

77 Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 77 Training for Approved Dicamba Formulations 2018 US EPA and state requirements for MN, ND and neighboring states MN and Neighboring State Restrictions Compared to the U.S. EPA Label US EPA Label Iowa, South Dakota, Wisconsin Minnesota ND North Dakota MN Timing Through R1 Soybean Through R1 Soybean Through June 20 Through June 30 or R1, whichever is first GPA Minimum 10, but 15 recommended 10, but 15 recommended 10, but 15 recommended 15 Time of Day Sunrise to Sunset Sunrise to Sunset Sunrise to Sunset 1 hour after sunrise to 1 hour before sunset Ground Speed Maximum Temperature Maximum 15 MPH 15 MPH 15 MPH 12 MPH No Restriction No Restriction 85 F 85 F Nozzles See engeniatankmix.com See engeniatankmix.com See engeniatankmix.com No nozzles less than 80-degree See engeniatankmix.com Applicator License Only Certified Applicators, and those operating under their guidance, may purchase and apply Engenia herbicide Only certified applicators can purchase and apply Only certified applicators can purchase. Those who can apply include: certified applicators and individuals working under direction of private applicators (NOT individuals working under direction of commercial applicators)

78 Training for Approved Dicamba Formulations Other State-Specific Requirements Florida Iowa Reference Florida auxin rule 5E Visit Records must be kept for 3 years (commercial applicators) or 2 years (private applicators) Nebraska - Records must be kept for 3 years - Individuals mixing and handling dicamba must also be trained New York Use by certified applicators only Oklahoma If applying in Greer, Harmon, Kiowa, Jackson, Tillman counties between May 1 Oct 15: - complete state form before application - send use report within 7 business days - Visit: Tennessee - Application Window: 7:30 am 5:30 pm - If applying from Jul 15 Oct 1, commercially manufactured hooded spray boom required with all nozzles contained within enclosed area of hood - Use by certified applicators only Texas For non-dt use pattern: - Permit is required to apply Engenia on non-dt crops; there are 54 regulated counties - Visit: texasagriculture.gov/regulatoryprograms/pesticides/regulatedherbicides.aspx Always read and follow label directions. Engenia, Xtendimax, and FeXapan are US EPA Restricted Use Pesticides. 78

79 Always read and follow label directions. Engenia, Xtendimax and FeXapan are US EPA Restricted Use Pesticide. Banvel, Clarity, Engenia, and Zidua are registered trademarks of BASF Corporation. LibertyLink is a registered trademark of Bayer CropScience. Xtendimax and VaporGrip are registered trademarks of Monsanto Technology LLC. DuPont and FeXapan are registered trademarks of E.I. dupont de Nemours &Company BASF Corporation. All Rights Reserved. These slides were prepared by BASF to satisfy US EPA requirements. Please check with your state pesticide regulatory authority as additional requirements may be imposed by state regulatory agencies. Date 1/18