中高桩与低桩再生型品种再生稻枝梗过氧化氢酶活性随留桩高度下降而增强，而高桩再生型品种表现相反；
The activity of catalase in rachis branches of ratooning rice of HMST and LST varieties improved with declining stubble height, whereas a contrary trend was observed for HST ones.
可见，留桩高度对再生稻源库流特性的影响与品种的再生类型密切相关。
These results indicate that the effect of stubble height of the main crop on characteristics of source, sink and flow of ratooning rice were closely related to ratooning types of rice varieties.
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