苹果树不同植株类型水分利用效率的日变化

被引:9
作者
曲桂敏
王鸿霞
束怀瑞
机构
[1] 山东农业大学园艺系
关键词
苹果树;植株类型;水分利用效率;
D O I
暂无
中图分类号
S661.101 [];
学科分类号
摘要
以10年生新红星苹果树为试材,探讨了旺长树、丰稳树和衰老树3种植株类型的水分利用效率(WUE)及有关参数的日变化。结果表明:(1)无论是充足供水还是土壤干旱,WUE顺序均为丰稳树>衰弱树>旺长树;(2)土壤干旱提高了旺长树的WUE,而降低了丰稳树和衰弱树的WUE;(3)土壤含水量的降低对光合的负影响旺长树最小、丰稳树次之,衰弱树最大。
引用
收藏
页码:114 / 118
页数:5
相关论文
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