We have a high incidence of flatheaded borer in walnuts. If you are interested in learning about "all things flatheaded borer IPM", consider joining the field meeting on November 21, 2024, in Stockton. Register here: @grow_the_valley @UCCEStanislaus

Navel orangeworm egg laying activity in almonds has been going up - not surprising for given the high overwintering populations and the prevalence of mummy nuts out there. Keep track of what’s happening throughout the season is crucial. Numbers from Modesto area.

RT @RepJoshHarder: 🚨 A new invasive beetle is going after our almonds and pistachios and farmers are waking up to find their crops eaten aw….

The UCCE-Quad County Walnut meeting is this Friday, February 2, at the Ag Center in Stockton. See the agenda below. Please RSVP using this link: @grow_the_valley @ucanr @UCEastBayCrops @CaWalnuts @UCCEStanislaus

RT @UCANRpam: A new beetle that attacks nuts has been confirmed in Stanislaus, Merced, Madera and Kings counties. “It has likely been here….

RT @ucanr: As a result of climate change, #CA's farms are expected to face a surge in #ag pests, which poses a threat to the state's specia….

We had a fun this morning talking with future scientists at San Joaquin County AgVenture in Manteca. Proud of my team for organizing the amazing booth, @sama_sakaki, Mahesh Ghimire, Chang Vue, and volunteer Rebekah. Over 3000 kids attended the event @ucanr @UCCEStanislaus @UCIPM

Today’s work setup! .Doing Navel Orangeworm trial with biological and reduced-risk insecticides using these almond strands.

RT @UCCEStanislaus: Stanislaus County 4-H is nominated in the “nonprofit organization” category for The Modesto Bee’s “Best in Modesto” con….

Latest on flight and projected generation timing of navel orangeworm, Amyelois transitella - a notorious pest of tree nuts in California (Calculations are based on Modesto area weather/trap counts) @SJVtandv @UCCEStanislaus @SacOrchards @UCIPM

Navel orangeworm counts are going up. When there are “hullsplit” almonds which release volatiles that is attractive to gravid NOW females for egg laying. Both NOW activity and hullsplit progression are two critical factors to time insecticide spray effectively. @ucanr @UCIPM

This week, we have seen increased navel orangeworm counts (Fig. 1; e.g., ~38.6 eggs/trap/week, Modesto area). This increase occurred after 1000 degree-days from the spring egg-laying biofix (i.e., 26 April). From now on, it is critical to closely monitor…

Applying entomopathogenic nematodes for flatheaded borer, Chrysobothris mali, in walnuts. This pest has been damaging several walnut orchards each specially when trees are little stressed, sunburn, and may not have best growth. You may not detect the stress level visually!@ucanr

Our last IPM breakfast meeting-8th one, for this year. Dr. Robert VanSteenwyk is delivering a talk on husk fly. Thanks to all participants, 35-55 attendees per meeting. Very happy with the support from the growers, PCAs, and industry. See you in the next March. @UCIPM @ucanr

Excellent info on managing vertebrate pests in tree crops provided by Dr. Baldwin at our @UCCEStanislaus IPM breakfast meeting. Learn more about these pests, their biology and management options here:

Do you want to learn about vertebrate pests of tree crops? Join us Wednesday morning in Modesto. @UCIPM @UCANRpam @UCCEStanislaus @SJVtandv

Dr. Sudan Gyawaly-UCIPM Sac Valley Advisor, giving a talk about winter flooding and navel orangeworm mortality in almonds at the International Society of Horticultural Sciences/ISHS #almondpistachio2023 in Davis

RT @UCIPM: Did you know the UC IPM Pest Management Guidelines have been around since the 80s? Hey, we’ve updated them since then! We’d love….

Last week, Phoebe Gordon and I had a unique opportunity to participate in the WELD (Western Extension Leadership Development) program kick-off seminar as WELD XII interns in Tucson, AZ (. There were leadership and professional deve…