UC Rice Blog

Authors: Whitney Brim-DeForest1, Luis Espino1, Roberta Firoved21University of California Cooperative Extension; 2Pesticide Regulatory ConsultantAfter several years of testing and work by the California Rice Commission, the University of California, as well as outside researchers, and with the support of the…

I got this question today. Blast spores need free moisture on the tissue (leaf wetness) to be able to produce infections. Rainy weather provides this free moisture and can make blast worse. However, spore production and germination also require warm temperatures. The rainy weather we had this last couple of…

 Bergia capensis (white water fire); Botanical illustration. Plants of the coast of Coromandel, vol. 2. 1798.IntroductionIn 2023, a new annual broadleaf weed, White water fire (Bergia capensis L.), was reported in a Butte County rice field. This ID marked the first confirmed report of this pest in…

YouTube video: How to Collect Weed Seeds for Herbicide Resistance 

The annual Rice Field Day will be Wednesday, August 26th, 2026, at the Rice Experiment Station (RES), Biggs, California. We cordially invite you and your associates to join us for this event. The purpose of the Rice Field Day is to give rice growers and others an opportunity to observe and discuss research…