Armyworm

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Updates from University of California on a new Herbicide and Armyworm

Updates from University of California on a new Herbicide and Armyworm

The steady flow of information from UC Cooperative Extension (UCCE) rice experts continues with two new posts. 

From UCCE Rice Advisor Whitney Brim-DeForest is this post from today of a new rice herbicide available this year for use: RebelEX®, manufactured by Corteva.

From Rice Farming Systems Advisor Luis Espino is this week’s armyworm monitoring update:

On average, we are getting 30 moths/day in the traps. This is as high as the average peak we saw in 2018 and 2019. However, the number of larvae in the fields we are monitoring remains very low. Injury to the foliage is minimal.

avg moth captures, sacramento valley 4/1-6/15

For more information, click on the link below for the Armyworm Monitoring Website.

http://rice.ucanr.edu/armyworm_traps/

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Intrepid® 2F Armyworm Label Update
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Intrepid® 2F Armyworm Label Update

You must have the Intrepid® 2F supplemental label in hand as if it were on the container. Intrepid® 2F is the only product with the active ingredient methoxyfenozide registered for use to control armyworm on rice. The registration was complete earlier this year, which left the registrant (Corteva Agriscience) no time to include rice on the label. Corteva Agriscience has made the supplemental label available on the CDMS and Agrian websites. For permitting and label questions, please contact your local agricultural commissioner’s office. 

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