Garfield County Cooperative Extension

Dicamba and Industrial Hemp Production Meeting

Rick Nelson Extension Educator, Ag/4-H

Dicamba and Industrial Hemp Production Meeting

 

One of the newest herbicide technologies available for soybean and cotton producers is once again an option this growing season. EPA announced last November that they would extend the registration for over-the-top use of the three approved dicamba products (XtendiMax, Engenia, and FeXapan) in Xtend (dicamba-tolerant) soybeans and cotton. This registration has been extended for two years.

These products have remained classified as Restricted Use Pesticides (RUP), while all other dicamba products remained general use. Only certified applicators can purchase and apply these three dicamba products. Applicators must attend this new dicamba training. Regardless if you attended a dicamba training last year you will have to attend the new training this year.

Oklahoma Cooperative Extension Service will be hosting several training events across the state this spring. A meeting is scheduled Monday, February 25th beginning at 1:30 pm in the Hoover Building on the Garfield County Fairgrounds. Contact your local Oklahoma Cooperative Extension Office, pesticide supplier, or the Oklahoma Department of Agriculture Food and Forestry (ODAFF) to find out when a local training will be held near you. Certified applicators will not receive a new card in the mail this year indicating they have completed the training, (D designation on card). ODAFF will house a master list of applicators who have attended a training.

The product labels for the three dicamba products were revised. While most of the labels have remained similar to the previous versions, there have been some modifications to note. As mentioned briefly earlier only certified applicators may purchase and apply these products. Applicators operating under the supervision of a certified applicator may not purchase or apply these products. Applicators now must generate spray records within 72 hours of application, a year ago producers had 14 days to produce records.

Required recordkeeping will now include planting date. This is due to the fact that the labels know have restrictions for late season applications. Applications can be made up to 45 days after planting dicamba-tolerant soybeans, but not any later because that is when the crop is most susceptible to yield reductions due to drift. Applications can be made up to 60 days after planting dicamba-tolerant cotton for the same reasons. Applications will only be allowed 1 hour after sunrise to 2 hours before sunset for the entire season to reduce temperature inversion drift risks.

Immediate following the dicamba training, an Industrial Hemp Forum will be held to discuss industrial hemp production and possible concerns. We will share research information from other land grant universities offering interpretation of how their research may apply to the southern Great Plains.

It is worth noting that the 2018 Farm Bill removed many of the restrictions in growing, processing and selling industrial hemp (IH) products. However, Oklahoma’s laws associated with IH must be changed for IH growers to fully benefit from this change in federal law. As outlined in the 2018 Farm Bill, to help ensure that IH being grown is below 0.3% THC, each state must develop a monitoring program, which must be approved by USDA. Given that 1) the Oklahoma Legislature must modify the current law associated with IH, 2) the ODAFF must then prepare a new set of rules, and 3) USDA must approve Oklahoma’s IH monitoring program, it is unlikely Oklahoma’s IH rules and regulations will be modified before the start of the 2019 IH planting season. In other words, the existing statutes and rules established in 2018 requiring growers to contract with a qualified higher education institution, i.e., an Oklahoma university or college with a plant science curriculum, will remain in effect.

 

No endorsement is made or implied by the use of any products named.

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