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Spraying Gibberellin-A3 Affects Diurnal Courses of Photosynthesis of Wild Rhododendron delavayi
Author(s): 
Pages: 84-86
Year: Issue:  7
Journal: Northern Horticulture

Keyword:  马缨杜鹃赤霉素光合作用日变化;
Abstract: 利用Li-6400便携式光合系统仪研究了喷施赤霉素后野生马缨杜鹃叶片光合特征的日变化规律.结果表明:赤霉素不能改变马缨杜鹃叶片Pn、Tr、Cs、Ci、WUE和Ls的日变化趋势,但可显著提高Pn的第1个峰值、Tr的第2个峰值和Ls值,但却降低了Ci值.以100 mg/kg赤霉素溶液的效果为佳.
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