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外文会议>2008世界草地与草原大会论文集
>Physiological integration of photosynthates and changes of endogenous ABA and IAA in the connected ramets of Buchloe dactyloides (Nutt.).texoka.after supply of water heterogeneity
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Physiological integration of photosynthates and changes of endogenous ABA and IAA in the connected ramets of Buchloe dactyloides (Nutt.).texoka.after supply of water heterogeneity
Physiological integration in clonal plants can improve their ability to cope with habitat heterogeneity. Whereas the patterns of resource sharing in a great many species of clonal plants are well documented, the mechanism for physiological integration has been explored little (e.g.K.HELLSTROM, 2006).As abscisic acid ( ABA) regulates plant responses to drought and other abiotic stresses (Davies,2005), and indole-3-acetic acid (IAA) plays an important role in the regulation of photosynthates sharing in non‐clonal plant (De Boer,1999).We hypothesized that ABA and IAA are the actors for the regulation of photosynthates translocation between connected ramets.To test this,we investigated the patterns of physiological integration of photosynthates and the concentration of ABA and IAA among inter-ramets of buffalograss after the supply of water heterogeneity
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