Past webinars - pests of vegetables

Pests of vegetables

As webinars are completed, we post recordings on YouTube for future study and sharing with others. Continuing education units are not available for recorded webinars. Only participants of live webinars receive credits.

Carrot Production and Pest Management in the Central Valley by Dr. Jaspreet K. Sidhu (October 9, 2024)

• Dr. Jaspreet K. Sidhu, discussed carrot production in California’s Central Valley, the biggest producer in the U.S. She included major pest challenges and pest management with research findings for management especially for root-knot nematodes, Alternaria leaf blight, and cavity spot. (Presentation slides in PDF format)

Vegetable IPM in the Sacramento Valley by Dr. Amber Vinchesi-Vahl (February 8, 2023)

• Dr. Amber Vinchesi-Vahl discussed integrated pest management of vegetables (mainly processing tomatoes) in the Sacramento Valley. She discussed integrated weed management in processing tomatoes from postharvest and preplant to after planting, including results from a 2-year cultivator trial. Management of soilborne fungal pathogens and insect-vectored viruses in processing tomatoes were also discussed. The talk included insect management in cantaloupe and honeydew with a focus on cucumber beetles. (Presentation slides in PDF format)

Downy Mildew of Vegetables by Dr. Alexander Putman (May 11, 2022) 

• Dr. Alexander Putman discussed downy mildew in lettuce, onion, spinach, and other smaller crops. The influence of weather and environmental conditions on disease development and fungicides were discussed.

Considerations in Management of Vegetable Crops Viruses by Thomas Turini (April 6, 2022) 

• Thomas Turini discussed vegetable crops diseases caused by viruses in the Central San Joaquin Valley with a focus on recent changes in virus incidence and management options. Viruses transmitted by Western flower thrips, beet leafhopper, silverleaf whitefly, and aphids were discussed.

Disease Management in Processing Tomato by Dr. Brenna J. Aegerter (February 23, 2022) 

• Dr. Brenna J. Aegerter discussed powdery mildew, black mold, fruit rot, and various soilborne diseases in processing tomatoes. She described symptoms, factors that contribute to their development, and management options.

Using Vegetable as Case Study for Implementing IPM by Dr. Alejandro Del-Pozo Valdivia (November 9, 2020)

• Dr. Alejandro Del-Pozo discussed the most important pests of lettuce and cole crops in California's central coast, area-wide monitoring of pests in the Salinas Valley, components of the IPM program in lettuce, use of conservational and augmentative biological control, alternatives to pyrethroids and neonicotinoids, components of the IPM program in cole crops, cultural control, mating disruption, insecticide resistance, and chemical control.