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By Tamara Tollison on June 3rd, 2018 The Citrus Research Board (CRB) is proud to announce the return of the Citrus Grower Seminar Series, co-produced by the University of California Cooperative Extension (UCCE).

UC ANR Integrated Pest Management Program A sugar volcano is one symptom that shows your avocado tree might be infected with Fusarium dieback, a fungi spread by a beetle called the shothole borer.

Stormwater and Sediment Management in Plasticulture Tunnels 13 June, Wednesday 8:30 AM-NOON At UC Hansen Agricultural Center at Santa Paula (from hwy 126 exit Briggs, the entrance gate is ~1000 ft on the left on Briggs road) 8:30 Registration, (interpretation into Spanish provided for the program).

UC ANR Statewide IPM Program, Writer/Editor, (530) 750-1237 Spring is in full swing and summer is right around the corner. If you work in agricultural, turf, landscape, or structural settings, you are probably at your busiest.

A recent call about the poor control of marestail (horseweed, Conyza canadensis) to glyphosate (Roundup) wasn't surprising, but that paraquat didnt do the trick was. It turns out that there is multiple resistance to the materials.