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Unformatted text preview: stress (closes stomata) a) When there is not enough ABA, the seeds can possibly germinate while on the tree 4) Ethylene (Gaseous Hormones, C 2 H 4 ) = Fruit Ripening, Leaf/Petal abscission, and seedling elongation and other things a) High concentration (Triple Response) Stem elongation Stem thickening Horizontal stem growth b) ein mutant = fails to undergo the triple response in the presence of ethylene c) ctr Mutant = undergoes the triple response even in the absence of ethylene...
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This note was uploaded on 02/11/2012 for the course ZOOLOGY 152 taught by Professor Stephengammie during the Fall '11 term at Wisconsin.
- Fall '11