Saturday, May 25, 2024

Weed Control Strategies In Rice

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 B.S. degree in agricultural education, University of Missouri. Established Bootheel Crop Consultants in 2000. Consults on rice, wheat, corn and soybeans. Has served on the board of the T.E. “Jake” Fisher Delta Research, Extension and Education Center in Portageville, Missouri, since 1981. Serves on the board of several ag scholarship committees in the area. Serves as a deacon at the First Baptist Church in Dexter. Has coached grade school baseball, basketball and football for two generations. Married to wife Karyl for 35 years. Two sons: Matt Stone (Christin) and David Stone (Laura). Four grandsons — Chris, Carter, Chance and Camden. One granddaughter — Caroline. Enjoys duck hunting and traveling up North to pheasant hunt in the wintertime.

Wendell Minson

Bootheel Crop Consultants
Dexter, Missouri

I received a B.S. degree in agricultural education from the University of Missouri. After obtaining a teaching certificate, I taught vocational agriculture for four years in Dexter, Missouri, before going to work for a manufacturer as a sales rep. In 2000, I started my own business — Bootheel Crop Consultants — where, today, I consult on rice, wheat, corn and soybeans.

Last year was extremely wet, so planting was delayed by two weeks. When we got the rice in and got it up, conditions went to extremely dry in the middle of the summer. This affected our weed control, especially on row rice. It was difficult to get the grasses in check. You can irrigate, but Mother Nature still needs to throw a rain in there for you. 

Recap: Weed Control strategies in Rice. 1. Battling resistant grass that we’ve never had before, along with some resistant sedges, is going to be our biggest challenge this year. 2. We overlay herbicides to keep residuals out there. The goal is to never see any weeds come up. 3. I apply Loyant® herbicide as the last shot before flushing in the fertilizer in row rice. If pigweed is in the field and it’s a pretty good size, Loyant is an excellent choice. 4. I may use more Grasp® SC herbicide to take out resistant grass in every rice stage, including one-leaf and two-leaf. It also helps control coffeebean, indigo and eclipta.

Resistance rears its ugly head

Battling resistant grass that we’ve never had before, along with some resistant sedges, is going to be our biggest challenge this year. My clients rotate from rice to beans and then back to rice, so resistance hasn’t been a problem for us in the past. But now we are seeing more of it.

We overlay herbicides to keep residuals out there. The goal is to never see any weeds come up. We’ll change up our chemistry a little bit, too.

Barnyardgrass is the main weed that’s resistant to different products. Palmer amaranth in row rice is not resistant to any of the products we use, and Loyant® herbicide does a great job controlling it. I apply Loyant as the last shot before flushing in the fertilizer in row rice. If pigweed is in the field and it’s a pretty good size, Loyant is an excellent choice. We’ll be watering right behind it, which makes it work well.

Grandstand® R herbicide is still a good product for pigweed, too. I’ve used a lot of Clincher® SF over the years for grassy weeds. You can put it out early and not bang up the crop, and it’s as broad spectrum as anything on the market over the top. I may start using more Grasp® SC herbicide to take out resistant grass in every rice stage, including one-leaf and two-leaf. It also helps control coffeebean, indigo and eclipta. Application timeliness is a key component for killing post-emerge grasses. 

On a positive note going into this season, some of our expenses are down, and the price of rice is still good. If we get rice in the ground in a timely manner, we have a good chance of making a good crop.

™ ® Trademarks of Corteva Agriscience and its affiliated companies. Clincher® SF, Grandstand® R, Grasp® SC and Loyant® are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions. © 2023 Corteva.

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