Peach: Oriental Fruit Moth: A biofix point for OFM was set on 4/10 in both northern and southern counties. All Treatments for the second generation have past. Tarnished Plant Bugs; and Other Catfacing Insects: Catfacing remain very active. Very little recent fruit feeding has been observed. Thrips: Flower Thrips have been observed feeding in highly […]
Continue reading...June 26, 2024 Kris Holmstrom
Vegetable IPM Update 6/26/24
Sweet Corn European corn borer (ECB) moths have declined in blacklight traps in the northern and central counties, and feeding is also declining as previously infested plantings enter the silk stage and are treated. Plantings now in whorl stage are showing little feeding. The highest nightly trap catches of ECB for the week ending 6/26/24 […]
Continue reading...June 26, 2024 Pat Hastings
IMPORTANT: EPA Issues Final Cancellation Order and Updates to Existing Stocks Provisions for Several Chlorpyrifos Products
[Tuesday June 25, 2024]. The U.S. Environmental Protection Agency (EPA) is issuing a final cancellation order for Corteva’s chlorpyrifos product “Dursban 50W in Water Soluble Packets” and three Gharda chlorpyrifos products, and an amendment to the exis… Read More »
Continue reading...June 24, 2024 Pat Hastings
EPA Releases Updates on Organophosphate Pesticides Dicrotophos, Dimethoate, and Tetrachlorvinphos
[Thursday 6/20/2024]. The U.S. Environmental Protection Agency (EPA) has released the Proposed Registration Review Interim Decisions (PIDs) for dicrotophos and dimethoate, as well as an Interim Registration Review Decision (ID) for tetrachlorvinphos (T… Read More »
Continue reading...June 24, 2024 Cesar Rodriguez-Saona
Sparganothis Fruitworm Degree-Day Update: as of June 24, 2024
Based on our degree-day model, Sparganothis fruitworm has accumulated 1038 degree-days (DD) as of June 24, using April 15 as the biofix date. This indicates that peak flight activity should have occurred at the end of last week. Historically, we recommend insecticide applications 10-14 days after peak flight. This period will fall between mid- to […]
Continue reading...June 23, 2024 Kate Brown
Beat the Heat: NWS Forecast Tools
The National Weather Service has graphical forecasts for many weather variables including heat index and wet bulb globe temperature which can be used to evaluate risk of heat stress. These predictive tools may be utilized to evaluate the risk of heat stress up to one week in advance and may aid in planning of field […]
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