IPM Vocabulary Review

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Across
  1. 4. tiny hair-like roundworms that feed on the root of plants
  2. 5. Economic ________ level is the point at which the cost of pest control equals the
  3. 8. a disturbance to the normal growth and development of a plant
  4. 9. small organisms with an exoskeleton, two body parts, and eight legs
  5. 10. plants that are undesirable
  6. 11. _______ control use of living organisms to reduce pest populations
  7. 12. ________ control is used to physically remove or exclude pests
  8. 14. Pesticide ________ is the ability of an organism to tolerate a lethal level of a pesticide
  9. 16. the living organisms that cause disease
  10. 18. ______ control uses of pesticides to reduce pest populations
Down
  1. 1. loss caused by a pest
  2. 2. economic ______ is the number of insects per plant or the amount of damage to the plant that economically justifies the use of control measures
  3. 3. caused by environmental imbalances and cannot be spread to other plants
  4. 5. caused by living organisms, such as bacteria, fungi, or viruses
  5. 6. extract water and nutrients from other plants and give nothing in return
  6. 7. a group of animals with an exoskeleton and three body parts
  7. 13. ___________ control used to make the crop environment unsuitable for pests to feed, live, or reproduce
  8. 15. organisms that lack chlorophyll
  9. 17. one-celled or unicellular microscopic organisms that can enter a plant only through wounds or natural openings