Pests and Weeds

Fighting tulip weeds, diseases with cover crops

By Cathy McKenzie, WSU Mount Vernon MOUNT VERNON, Wash. – Rotating cover crops in tulip fields shows promise for fighting disease in the economically important flower bulb, according to early research findings at the Washington State University research center in Mount Vernon.

Grafting research could rescue state’s watermelon crop

By Scott Weybright, College of Agricultural, Human & Natural Resource Sciences MOUNT VERNON, Wash. – The watermelon crop has declined dramatically in Washington because of disease. But Washington State University researchers are developing a solution that involves grafting watermelon plants onto squash and other vine plant rootstocks.

Probiotic toxin fights coldwater disease in rainbow trout

By Rebecca Phillips, University Communications PULLMAN, Wash. – The rainbow trout is a work of art and diner’s delight. But when the freshwater fish falls prey to coldwater disease, its colorful body erodes into ragged wounds and ulcers. The bacterial infection can kill up to 30 percent of hatchery stock and costs millions of dollars […]

Nature’s pooper scoopers: Can dung beetles aid food safety?

By Sylvia Kantor, College of Agricultural, Human & Natural Resource Sciences PULLMAN, Wash. – For farmers, especially organic farmers, who are increasingly challenged by food safety guidelines, dung beetles could provide an elegant solution to a vexing problem. Entomologists at Washington State University are investigating whether the insects could suppress harmful foodborne pathogens in the […]

Nematode found in Washington; quarantines unlikely

By Scott Weybright, College of Agricultural, Human & Natural Resource Sciences PULLMAN, Wash. – A close relative of the cereal cyst nematode was discovered in Washington for the first time this summer. Scientists don’t believe quarantines will be required but are assessing the significance of the discovery.