Plant Pests
Across
- 1. one celled organism that can cause diseases such as blight or soft rot
- 5. produce spores or mycelia (threadlike structures) that cause disease
- 6. means physical objects such as traps, machines, and devices. Ex. plowing and tillage of the soil to control weeds or traps catching pests.
- 7. an organism living and growing where it is not wanted and is causing damage to plants, humans, structures, and other creatures
- 8. disease caused by living organisms such as fungi, bacteria, nematodes
- 9. roundworms living in soil, water, or as parasites that cause harm to the plants by eating the stems, roots, or leaves
- 10. organisms that cause disease
- 11. a plant that is not valued where it is growing and is usually of vigorous growth
Down
- 1. controlling pests with natural agents like predators that will eat the pest or parasites that will attack the pest
- 2. are poisonous to the pests, such as sprays, dusts, and baits
- 3. a particular abnormal condition that negatively affects the structure or function of all or part of an organism
- 4. caused by the environment or man-made conditions ex. Nutrient deficiencies, chemical damage
- 7. a chemical that is used to control an organism living and growing where it is not wanted