Water potential, abscisic acid and chlorophyll were measured from Aprol to November in leaves from proper and heavy load branches of 20-year-old apple (M. pumila Mill.

本试验以20年生金冠苹果为试材，研究了不同负载量对叶水势、脱落酸和叶绿素水平季节变化的影响。

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Water potential, abscisic acid and chlorophyll were measured from Aprol to November in leaves from proper and heavy load branches of 20-year-old apple (M. pumila Mill.

本试验以20年生金冠苹果为试材，研究了不同负载量对叶水势、脱落酸和叶绿素水平季节变化的影响。

youdao