UCCE Rice Advisors continue their diligence in battling weedy rice. Affected acreage remained stable last year, however a new type was discovered.
For a complete update on weedy rice, here’s a link to more information.
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.
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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.
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The University of California Cooperative Extension has released a year-end review of weedy rice in the Sacramento Valley.
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