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 an important control measure and roguing can help control lower levels of infestation. For heavily infested fields, growers may want to consider fallowing, as outlined in the UCCE Weedy Rice Best Management Practices during this short water year.
A reminder that the requirement to plant a class of CCIA Certified Seed (foundation, registered or certified) or seed that has been inspected and passed their Quality Assurance program remains in place. Planting clean seed, free from weedy rice, is one of the most important measures to control the spread of this important pest in California rice.
The University of California Cooperative Extension has released a year-end review of weedy rice in the Sacramento Valley.
The UCCE Rice Team will soon carry out a survey of weedy rice across our growing region.
Fields with a recent history of weed rice infestations will be surveyed. Here’s a link to more information on this effort.
A comprehensive look at Weedy Rice, from regulations to genetics, will be held from 10:00 a.m. to noon on August 1, at the Colusa Casino Chairman’s Room.
The UC Cooperative Extension continues to do an excellent job providing growers with current information regarding the battle against weedy rice in California.
From Whitney Brim-DeForest and Luis Espino, Rice Farming Systems Advisors
University of California Cooperative Extension
Dear Rice Grower/Cooperator,
Within the last few weeks, a questionnaire was mailed and e-mailed to you because your operation was selected to help in a study of rice production practices in California and their effects on weedy rice infestations. READ MORE
UCCE Rice Advisors continue their diligence in battling weedy rice. Affected acreage remained stable last year, however a new type was discovered. READ MORE
From UCCE Rice Advisors Luis Espino and Whitney Brim-Deforest
Dear Rice Grower/Cooperator:
The University of California is conducting a survey of weedy rice infestation and rice production practices that may affect weedy rice persistence and infestation levels. READ MORE