Plant Growth Factors

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Across
  1. 2. substances with a PH value greater than seven have a stronger effect on the plant
  2. 5. most are available in forms of dissolved chemicals
  3. 7. growth response of a plant to an external stimulus
  4. 8. stimulates plant growth by changing the plants cell walls
  5. 9. chemical compounds that controls growth activity in a part of the plant
  6. 10. growth response to gravity
  7. 11. growth response to light caused by an unequal distribution of auxin
  8. 12. inhibits growth of buds in plant stems
Down
  1. 1. weakens cell walls of unripe fruit
  2. 3. promotes cell division by stimulating production of needed proteins for mitosis
  3. 4. stimulate the elongation of plant cells
  4. 6. growth response to mechanical stimuli, contacts with an object and another organism or wind