Weed Control Chp 1 & 2

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Across
  1. 1. Green plants may require _____ burnings
  2. 3. Below ground stems that are utilized for reproduction are referred to as ____
  3. 7. The chemical product that causes leaves to drop from plants is called ___________
  4. 10. Plants originally brought in for decoration that have now become out of control and spread farther than originally intended are regarded as ______ plants
  5. 11. In their first year Biennial plants form ______ at their basal leaves
  6. 13. Biological control may utilize insect _______ agents that are very specific to their host weed species
  7. 15. Blackberries and Knotweed are both _____ plants, with net-like veins.
  8. 18. ____ is a substance added to pesticide formulations to increase safety or the effectiveness of the pesticide
  9. 21. Intentionally choosing crops that are native and adapted to the environment to out compete invasives is an example of ________ control
  10. 22. Grasses are ________ meaning that they have one seed leaf
  11. 23. _____ perennials spread primarily by seed and can report from crown buds on the Taproot
Down
  1. 1. Sedges, unlike grasses, have _______ shaped stems
  2. 2. The most effective way to keep an invasive weed out of an area is ________
  3. 4. Burning and hand pulling are two examples of ________ control
  4. 5. Summer annuals germinate in the _________
  5. 6. True or False - In the state of Washington Fertilizers are considered to be a pesticide
  6. 7. The chemical product utilized to target a species by creating moisture loss within the plants tissues is called _______
  7. 8. True or False - The most common way for a weed species to invade an urban environment is through movement of contaminated equipment/soils/and mulch
  8. 9. Introducing a species to target a invasive weed is an example of _______ control
  9. 12. Grasses and Sedges have these kind of leaf veins which suffers from other plant types
  10. 14. True or False - Some seeds will survive being crushed, digested AND being pooped out of an animal
  11. 16. Substances that alter the development of a plant are regarded as Growth __________
  12. 17. Winter annuals germinate in the _______
  13. 19. Above ground stems utilized for reproduction are referred to as _________
  14. 20. What does the M in IWM stand for?
  15. 21. ________ perennials reproduce by aboveground stems or below ground stems