Food Blog

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The Food Blog covers our latest research and extension work to advance and optimize the production and vitality of California's abundant agricultural commodities.

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Branched broomrape growing among tomatoes in a research field

Tomato industry taking steps to stop spread of parasitic weed

April 24, 2026
By Emily C. Dooley
 Equipment cleaning could prevent branched broomrape, help growersCalifornia’s processing tomato industry for the first time this past harvest season agreed to voluntary equipment cleaning and notification guidelines to prevent the spread of branched broomrape, a parasitic weed that attaches to roots…
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