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Broomrape resources

The parasitic weed, broomrape, continues to pose a significant threat to California tomato production. As an industry we don’t want this weed to spread throughout the state. See below for research updates, in-field management resources, and industry and regulatory communication on this issue. 

boomrape in the field

management resources

Chemigation Best Practices for Branched Broomrape Control in CA Processing Tomato
Large Scale Demo of Chemigated Matrix (2024 Field Season)
24(c) Registration for the Management of Broomrape with Rimsulfuron (Matrix)
Sanitation Best Management Guidelines Two-Pager
Awareness Flyer (in English and Spanish)

research updates

Large-Scale Demonstration of Chemigated Rimsulfuron Treatments for Branched Broomrape Control in California Processing Tomato
Jan. 14, 2025 Equipment Sanitation Update - Cassandra Swett
January 14th, 2025 Field Research Update - Matt Fatino & Brad Hanson

news and blogs

August 2024 Post from Farm Advisor Patricia Lazicki
March 19, 2024 Post from UC Weed Specialist Brad Hanson on Findings from Chile
Broomrape Research, and Industry Collaboration, Highlighted by UC Davis Reporting - article and video

background information

CDFA Official Webpage for the California Broomrape Board
2021 California Agriculture Review Article
UC IPM - Branched broomrape
CDFA Pest Rating Profile

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