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Adding new modes of action to boost rice weed control

Rice weed control arsenal could expand by two more products in 2018 and 2019, weed scientist says.

Ben McKnight says it’s been fun to be a weed scientist working in rice.

In the five years, he’s been studying as a graduate student with Dr. Eric Webster at the LSU AgCenter’s Rice Research Station, they have tested between eight and 11 new experimental compounds each year.

What’s even better news for rice growers is that two of those are likely to be introduced in 2018 and 2019. Dr. McKnight, who received his Ph. D. in weed science a month ago, talked about the two products during a stop at the LSU Rice Research Station Field Day in Crowley, La.

The new herbicides are Loyant, which Dow AgroSciences expects to receive registration for in 2018 and Butte, a mixture of benzobicyclon and halosulfuron, which is being developed by Gowan Company for possible introduction in 2019.

To learn about other new developments in rice weed control, visit

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