UC Rice Blog

Authors: Robinson Johnson, Deniz Inci, Kassim Al-KhatibDepartment of Plant Sciences, University of California, Davis Background White Water Fire (Bergia capensis L.) is an annual broadleaf weed native to southern China, tropical Asia, and Africa, which was recently reported in a California rice…

Contact: UCCE Sutter–Yuba142A Garden HighwayYuba City, CA 95991Phone: (530) 822-7515Email: wbrimdeforest@ucanr.edu RICHVALE, CA — Rice growers and agricultural professionals from across the Sacramento Valley are invited to attend the 2026 Rice Production Workshop, a two-day educational program…

Author: Timothy Blank, Director of Seed Certification Operations, California Crop Improvement Association (CCIA)~28,500 acres were inspected by the California Crop Improvement Association in 2025, of which 25,783 acres were eligible for seed production. Of the eligible acres harvested for seed, 1117 were…

This article is my annual review of UCCE Delta rice research and seasonal observations.Variety Trial: Delta rice acreage has been steadily increasing, and yields are comparable with the statewide average (Table 1). I estimate that Delta acreage approached, if not exceeded, 15,000 acres in 2025. To…

We have conducted field surveys of weedy rice in 2020 and 2025. The objectives were to document the location of weedy rice infestations, determine how severe these infestations are, and evaluate the spread of this weed. In 2020, we inspected 15,748 acres of rice. Of these, 3,412 acres (21% of surveyed…