lecture 04 - 1/23/2011 Revisedschedule MondayJanuary24th...

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1/23/2011 1 Monday January 24 th Review totiopotency Cutting biology continued (592 614) Wednesday January 26 th (304 – 329; 357 367) Monday January 31 st Plant growth promoters (367 374) Revised schedule 1. Totipotency: Potential to differentiate 2. Competance : Capacity to respond to epigenetic influences 3. Determinism: Degree of commitment toward development What makes cutting propagation possible? FIGURE 2-16 Hartmann et al., 2002 Competance and Determinism Formation of specialized structures Induction of adventitious organs Control of developmental cycles - phenology - _____________ Epigenetics and plant variation Phase transition from Juvenile to ________ may be marked by changes: Four stages of ontogenetic development Phase potential maintained Life cycle of clonal cultivars
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1/23/2011 2 Each phase may display distinct traits. Differences accompanying transition Juvenile –Adult:
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This note was uploaded on 04/03/2011 for the course HORT 201 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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lecture 04 - 1/23/2011 Revisedschedule MondayJanuary24th...

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