Effective Crop Rotation Part 2: Rice - September 2011
[U of A University of Arkansas Division of Agriculture]
[Title Slide – Effective Crop Rotation Part 2: Rice - September 2011. Your Arkansas Soybean Podcast, University of Arkansas Division of Agriculture Research and Extension U of A System, Arkansas Soybean Promotion Board Harvesting the Potential.]
[Dr. Bob Scot, Extension Weed Scientist standing in a rice field] Where glyphosate pigweed had become difficult to control in soybeans, rice can be an excellent rotation crop to help break the pigweed cycle. [Video showing a rice field.] Unfortunately in rice, most fields have levees for irrigation, these are above the floodwater and pigweed can thrive on these levees.
[Picture of 2,4-D containers.] 2,4-D is one of the best options that we have for pigweed control on rice levees. Unfortunately 2, 4-D has been banned after April 15th in many counties in Arkansas. For those growers who can't use 2, 4-D to control pigweed on levee, the university recommends starting off with a residual program just prior to flood such as Prowl or Bolero applied to the levees just prior to pigweed emergence. [Picture showing Prowl herbicide and Bolero rice herbicide.]
[Picture showing AIM, Propanil, and Grandstand Herbicide DOW AgroSciences.] After pigweeds have emerged on levees, if you can't use 2, 4-D, products like Aim and propanil or Grandstand plus propanil can be effective in pigweed suppression, especially in the areas where we have a ban on 2, 4-D or we have crops that are sensitive to 2,4-D in close proximity.
[Dr. Bob Scott] Pigweed control on the levees can be much more difficult than in other areas. We have a section in the MP44 dedicated to levee weed control. You can find the MP44 at your local county office or on the web at www.uaex.edu.
[Narrator] Your Arkansas Soybean Podcast is a production of the University of Arkansas Division of Agriculture and was funded in part by the Arkansas Soybean Promotion Board.
[Title slide - Arkansas Cooperative Extension Service, various pictures of people, crops and farming equipment. University of Arkansas Division of Agriculture Research and Extension U of A System, Arkansas Soybean Promotion Board Harvesting the Potential.]