11-plantgrowoutl

11-plantgrowoutl - III. Plant movements A. Growth movements...

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AG V03 Plant Biology Lecture: Plant Growth (Ch 11) © copyright 2009 Marta D. de Jesus I. Multicellular organisms go through development A. 1 cell 1. growth 2. cells can also undergo a. determination b. differentiation c. indeterminate 3. cells affect each other B. morphogenesis II. Plant hormones A. general B. auxins 2. Went then discovered 3. occurs in 4. promotes 5. affects apical dominance roots 6. vascular tissue 7. abscision layer 8. used in agriculture/horticulture to: a. b.
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c. d. C. gibberellins 1. found in 2. promotes 3. in some plants can: a. b. c. d. e. f. D. cytokinins 1. found in 2. promote 3. also participate in: a. b. c. E. abscisic acid (also called dormin) 1. made in 2. inhibits 3. can be used to make 4. as leaves wilt F. ethylene (gas) 1. made in
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2. in fruit 3. also causes: a. b. c. d. e. G. florigen H. other related compounds 1. oligosaccharins 2. brassinosteroids 3. stress signals:
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Unformatted text preview: III. Plant movements A. Growth movements 1. nutation 2. nodding 3. twining 4. contraction 5. nastic 6. phototropism 7. gravitropism 8. thigmotropism B. Turgor movements 1. sensitive plant http://www.youtube.com/watch?v=BLTcVNyOhUc 2. venus fly trap http://www.youtube.com/watch?v=_DZiTACprhE 3. bush monkey flower C. “Sleep” movements circadian rhythm 1. prayer plant 2. Linnaeus’ flower “clock” 3. dinoflagellate 4. there are longer clocks known: D. solar tracking E. water conservation F. other in the textbook IV. Light-related responses due to special pigments A. Phytochrome 1. P r 2. P fr 3. P fr 4. involved in many responses 5. quality of light etiolation 6. light in general a. day-length: photoperiodism 1) long-day plants 2) short-day plants 3) intermediate-day plants 4) day-neutral plants B. Cryptochrome V. Other environmental influences...
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This note was uploaded on 01/17/2012 for the course BIOL V23 taught by Professor M.dejesus during the Spring '12 term at Ventura College.

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11-plantgrowoutl - III. Plant movements A. Growth movements...

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