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Plant Pests are:

Plant Pests are:. Plants which grow where they are not wanted (weeds). Insects and their relatives without backbones (invertebrates). Animals with backbones (vertebrates). Fungi and molds which cause diseases (disease agents). Weeds. Weeds are plants that grow where theyare not wanted.

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Plant Pests are:

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  1. Plant Pests are: • Plants which grow where they are not wanted (weeds). • Insects and their relatives without backbones (invertebrates). • Animals with backbones (vertebrates). • Fungi and molds which cause diseases (disease agents).

  2. Weeds • Weeds are plants that grow where theyare not wanted. • A common California weed is the Shepherd’s Purse (Capsella bursa-pastoris).

  3. Invertebrate Pests • Insects have three body parts; head, thorax, and abdomen. • Nematodes are non-segmented cylindrical worms. • Snails and slugs are mollusks. Bean leaf beetle Nematode

  4. Vertebrate Pests • Domestic animals: dogs, cats, and horses. • Wild animals: skunk, raccoon, deer, ground squirrels, gophers, moles, rabbits.

  5. Disease Agents • These organisms are usually difficult to identify because they are microscopic. • They are molds and fungi, bacteria, and viruses. Tilletia caries Tilletia caries

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