By Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties
The number of moths trapped went down due to the cold weather. But numbers are coming back up again, mostly due to increases of western yellowstriped armyworm. We are starting the season with much higher number of moths than in previous years. Keep a close eye on early planted rice that is out of the water or if you are draining for stand establishment.
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Thiobencarb exceedances over the 1.5 µg/L (parts per million) performance goal with a reading of 2.3 µg/L at the Colusa Basin Drain 5 (CBD5) site off Highway 20 and 2.7 µg/L at the Colusa Basin Drain 1 (CBD1) location outside Knights Landing. There also was a detectable reading at the Sacramento Slough site. These exceedances were from the third monitoring event on May 21.
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The UC Cooperative Extension continues to do an excellent job providing growers with current information regarding the battle against weedy rice in California.
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Growers later this year will need to decide which Farm Bill safety-net program to participate in. Well-known attorney Tim Kelleher has an updated decision tool that should simplify the process
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University of California Cooperative Extension Specialist Bruce Linquist and Rice Farming Systems Advisor Luis Espino have written this new update, regarding some of the areas growers should consider, faced with this cool, wet spring.
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Here’s a link to a new blog from Bruce Linquist, UC Cooperative Extension Specialist.
Bruce covers three scenarios that may arise, following this month’s heavy rainfall during rice planting.
Thiobencarb exceeded the 1.5 µg/L (parts per million) performance goal to a reading of 2.3 µg/L at the Colusa Basin Drain 5 (CBD5) site off Highway 20. A monitoring site receiving drainage from Colusa and Glenn Counties. This particular exceedance was at the second monitoring event on May 14.
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Pyrethroid insecticides have been under scrutiny for several years resulting in recent changes to water quality requirements. The changes set monitoring levels for pyrethroids at nanograms in surface waters. Consistent exceedances of the levels could result in additional restrictions to pyrethroid use, or designate a drain as impaired with future restoration to correct the water quality. Last year, one of the water quality coalitions had a detection that could be problematic under the new standards.
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Article by Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties
Ten
sites have been set up so far, mostly on the west side of the valley
where planting has moved a bit quicker than in the rest of the valley.
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Article by Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties
The first set of traps were set up on April 19, and more traps are being set up as fields get ready for planting. So far, seven sites have been set up.
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