Updated Armyworm Information
From Luis Espino, UCCE Rice Farming Systems Advisor
Here’s a link to this week’s update on the armyworm from in the Sacramento Valley.
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Armyworm
Armyworm Numbers rising
From Luis Espino UCCE Rice Farming Systems Advisor
The number of moths trapped continues to increase. We are finding numerous medium sized worms, maybe second, third, and fourth instars in fields where moth counts are above 30 per night. Worms have moved from levees and borders to basins. This is the time to scout and look closely for defoliation in the upcoming two weeks.
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2019 Armyworm Trapping Update
From Luis Espino UCCE Rice Farming Systems Advisor
The number of true armyworm moths has shot up quite a bit in several locations. True armyworm has been the problem species in the past. Western yellowstriped armyworm moths have been variable, increasing in some locations, decreasing in others, but in general, the numbers are much lower than at the beginning of the season.
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Intrepid® 2F Insecticide is approved to combat Armyworm
The Intrepid® 2F Insecticide (EPA Reg. No. 62719-442) section 18 has been approved for use in Butte, Colusa, Glenn, Merced, Sacramento, San Joaquin, Sutter, Yolo, Yuba Counties.
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Armyworm Trapping Update
UCCE Rice Farm Advisor Luis Espino reports in this week’s update that true armyworm numbers are on the rise.
Here’s a link to Luis’ update, including trapping data and the latest on the western yellowstriped armyworm.
Good News in the Armyworm battle
UCCE Rice Farming Systems Advisor Luis Espino has a new update available here regarding the armyworm.
So far, true armyworm moth numbers remain low.
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After slow start, Armyworm numbers are on the rise
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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2019 Armyworm Trapping Update
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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2019 Armyworm Trapping
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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Armyworm Monitoring is underway
Photo and article by Luis Espino, Rice Farming Systems Advisor, Butte and Glenn Counties
The armyworm monitoring season has started. The first traps were set on April 19, and two more sites were set up on April 30. More traps will be set up in the following weeks as growers finish their ground work and get ready for planting.
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