university of california

Continue to keep eyes peeled for weedy rice in California fields. • By Vicky Boyd, Editor • The amount of California rice ground infested with weedy rice hovers around 14,000 acres, leading experts to believe that pest control advisers and growers are...

• By Luis Espino and Ian Grettenberger • Do you want to make sure your freshly planted rice fields don't look like the muddied mess on the left below (versus clear on right) following a pyrethroid application? Wondering if your tadpole...

• By Bruce Linquist • In 2015, University of California Cooperative Extension started the UCCE Rice Yield Contest as a pilot study in Butte County. The contest has now expanded to include all of the Sacramento Valley.Because of potential regional yield...

• By Whitney Brim-DeForest • Similar to the disease survey we did last month, University of California Cooperative Extension will be surveying rice weeds this fall. The survey implementation was funded by the Rice Research Board in 2019, and pending...

Armyworms can be a serious pest in rice as the larvae can eat the rice leaves or panicles and cause yield reductions. In 2015, a severe outbreak of armyworms caught California rice growers by surprise, resulting in yield losses. In...

• By Vicky Boyd, Editor • Rice breeders at the California Rice Experiment Station are on a roll, having released nine improved varieties in the past 10 years. And their success appears to be continuing as they have two lines —...

The University of California Cooperative Extension will host a free weedy rice workshop, from 10 a.m.-noon, Aug. 1, at the Colusa Casino Chairman's Room in Colusa. Weedy rice, an all-inclusive term for red rice and undesirable outcrossings, was confirmed in...

• By Bob Johnson • A team of researchers is waiting to learn how many of the small chinook salmon that were raised on the healthiest of food in Mike Dewit's rice field in the Yolo Bypass, fitted with microtransmitters,...

• By Bruce Linquist • Rain in May, especially in the amounts we have seen this year, are far from ideal for rice growers. It makes establishing seedling, nitrogen management and weed control extra challenging. Rain in May is not new....

• By Luis Espino • Over the winter, I gave a few presentations that touched on armyworms. In the presentations, I usually had pictures of adult armyworms. Several comments I got after the presentations made me realize that armyworm adult moths...

UC Rice Yield Contest promotes friendly competition while collecting production data • By Vicky Boyd, Editor • The University of California’s Rice Yield Contest may provide bragging rights to the top producers, but it also has proven a good way to collect production...

New grass species joins weedy rice as weeds that tested California growers and PCAs in 2018 • By Vicky Boyd, Editor • Although the number of rice acres in California infested with weedy rice — also known as red rice — has remained...

Rice is beginning to head in the California rice-production area. As you scout your fields, keep weedy rice in mind. In the past few weeks, University of California Cooperative Extension farm advisers have received 10 suspect samples. Of these, two...

As this season starts, growers and pest control advisers should continue to be mindful of weedy rice. As mentioned in last year's communications, in 2017 University of California Cooperative Extension received 22 new samples. Fortunately, the infested acreage did...

The University of California is once again this season conducting the UCCE Rice Yield Contest. Much like the 2016 season, Cooperative Extension has divided the rice-producing area into quadrants to remove some of the variability among production areas. Growers compete with their...