???(auxin) ???(ethylene)??? (leaf abscission)??? - PowerPoint PPT Presentation
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Title:
???(auxin) ???(ethylene)??? (leaf abscission)???
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Title: Chapter 39 Author: tcu Last modified by: YehLu-Shu Created Date: 3/27/2006 1:25:51 PM Document presentation format: (4:3) Company – PowerPoint PPT presentation
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Title: ???(auxin) ???(ethylene)??? (leaf abscission)???
1
???(auxin) ???(ethylene)??? (leaf abscission)???
?????????????(shoot apical meristem)???
???????????????
????????????,??????????????,??????????????????????
??????????
??????????????
2
???(auxin) ???(ethylene)??? (leaf abscission)???
???????,???????????????
?????????????????????
3
???(auxin) ???(ethylene)??? (leaf abscission)???
?????????????(Dauxin)???,?? (ethylene)?????
C2H2
??????????(abscission layer)????????? (programmed
cell death apoptosis).
4
???(auxin) ???(ethylene)??? (leaf abscission)???
??????????????,??????????(vascular
tissue)???????(fiber cells) ?????????,?????????(?
??????????)??????????(??)??
C2H2
