Tuesday, January 13, 2026

university of california

USDA grant will help support organic rice research at UArk, UC

The University of Arkansas, in collaboration with The Organic Center and the University of California Cooperative Extension, has been awarded nearly $500,000 through U.S. Department of Agriculture's Organic Research and Extension Institute. The funding will help support a three-year...

UCCE to host fall educational grower webinars

The University of California Cooperative Extension will hold four educational grower sessions this fall, including one on rice weed management. The Oct. 11 rice weed session will be in a Zoom format from 3-4 p.m. PDT. If growers want to...

Sign up for the Sept. 10 CA Rice Pest Management Course

The in-person one-day Rice Pest Management Course course will be held Sept. 10 at the Hamilton Road Field near Biggs, California. It's located on West Hamilton Road between Highway 99 and Riceton Highway. It is hosted by the University...

Considerations for draining rice fields at the end of the season

• By Bruce Linquist • Driving this week, I saw quite a few fields with heads starting to show up, so drain time is around the corner. Earlier than normal planting and a warm early season means that the crop...

UCCE plans weedy rice workshop Aug. 3

University of California Cooperative Extension will hold a weedy rice workshop from 9-11:30 a.m., Aug. 3, at its Sutter-Yuba Office, 142A Garden Highway, Yuba City, California. The meeting is free, but preregistration is required. This project is sponsored with funding...

Discovery helps plants, including rice, survive longer during drought

University of California scientists have discovered genetic data that will help food crops like tomatoes and rice survive longer, more intense periods of drought on our warming planet. Over the past decade, the research team sought to create a molecular...

California growers should consider fallowing worst weedy rice fields

• By Whitney Brim-DeForest and Tim Johnson • The absence of a registered herbicide to control weedy rice in California leaves growers with fewer options to control this important pest. Planting clean seed, as required by the Certification Act, is...

Not too much, not too little but just right

Nitrogen management can help control rice diseases and boost quality. • By Bob Johnson • Knowing how much nitrogen to apply to rice, and when, is the key to good yields and to managing diseases such as blast and stem rot....

UC researchers seek cooperators for pyrethroid-resistant shrimp study

• By Ian Grettenberger, Luis Espino and Madi Hendrick • Pyrethroids have been the go-to material of choice for tadpole shrimp management. Because they are widely used, there is a real concern that resistance to one or multiple active ingredients...

UCCE plans half-day pest management webinar, Dec. 9

University of California Cooperative Extension will hold a half-day educational webinar, Dec. 9, covering Sacramento Valley pest management. Among the topics are an update on rice weeds by Whitney Brim-Deforest and an update on rice pest management by Luis...

UC offers pest management webinar series, including one on rice

University of California Cooperative Extension in Sutter, Yuba and Colusa counties will hold a series of webinars in September and October to provide research updates on some Sacramento Valley's major crops, including rice. The classes are relevant to growers throughout...

UC Cooperative Extension seeks input on research, Extension efforts

University of California Cooperative Extension is seeking input from California growers of field crops, consultants and allied industry on how the division should approach research and Extension efforts. "Your input will highlight the most important issues facing field crop production...

Cold nighttime temps during booting may affect rice yields

• By Bruce Linquist • The period between panicle initiation (PI) and heading is critical with respect to grain formation. During this time, cold temperatures can result in pollen sterility as the plants go through meiosis. Pollen sterility results in...

UCCE publishes 6 rice fact sheets, more on the way

The University of California Cooperative Extension Rice Team has developed a series of fact sheets to simplify and convey information about important topics that they frequently discuss with growers and pest control advisers. Each fact sheet is two pages...

Still a perplexing problem

California researchers continue work to unravel armyworm dynamics and trapping results. • By Vicky Boyd, Editor • Dr. Luis Espino, a University of California Cooperative Extension rice systems adviser, had hoped pheromone traps could provide an early warning system for true armyworm...

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