At first glance, Orobanche ramosa looks like an interesting blossoming plant, one that could add a unique flair to flower arrangements. But it's a parasitic weed that attaches to roots, sucks out nutrients and is threatening California's lucrative $1.5 billion processing tomato industry. The weed's tiny seeds - smaller than finely ground pepper - can survive in soil for many decades and be carried by wind, water, soil transfers and even footwear. If found attached to crop plants and reported to the state, farmers are required to destroy the field before harvest, taking large losses not covered by crop insurance.

https://www.miragenews.com/california-tomato-farms-under-siege-by-1092146/

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