Answer: Nematodes are microscopice, slender, translucent roundworms. They live in moist areas such as soil, decaying organic matter, water, and the insides of other animals. Plant-feeding nematodes suck plant juices from roots, most often attacking roots of tomatoes, peppers, and lettuces, but can affect other plants. Affected plants grow poorly and may die. To control nematodes in home gardens, rotate crops, plant nematode-resistant cultivars, plant a fallow crop of African marigolds (the roots of Tagetes spp. are toxic to nematodes), or solarize the soil in affected areas.
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