Jul 14, 2022
Washington State onion specialists to discuss weeds, insects

Washington State University researchers are hosting an insect and weed control field tour.

The tour will be from 2-4 p.m. July 20 at the WSU Commercial Vegetable Farm in Pasco. The tour will focus on experiments funded by the Columbia Basin Onion Research Committee and Washington State Commission on Pesticide Registration.

Seedcorn maggots, found on onion seedling. PHOTO: Lindsey du Toit, Washington State University

The research is focused on pre-emergent herbicides and various treatments to control seedcorn maggot, according to a news release. Attendees will be able to see and discuss the results with researchers and other growers.

Tim Waters, professor, regional vegetable specialist and WSU Extension agent for Franklin and Benton counties, and Carrie Wohleb, associate professor and potato, vegetable and seed crops specialist for WSU Extension in Grant County/Columbia Basin, will discuss the research.

The tour is at the WSU research farm. Plots are near the intersection of A Street and Heritage Blvd. Proceed south through the open gate at the intersection, down the gravel road. The 10-acre plots will be on the right side about a half-mile down the road.

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