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Effects of plastic greenhouse cultivation on photosynthetic characteristics of \'Cuiguan\'pear
Pages: 40-44
Year: Issue:  1
Journal: Acta Agriculturae Zhejiangensis

Keyword:  plastic greenhouse cultivation\'Cuignan\'pearphotosynthetic characteristic;
Abstract: 以\'翠冠\'梨为试材,以露地栽培为对照,研究大棚栽培对梨光合特性的影响.结果表明:大棚栽培对\'翠冠\'梨的光合特性无显著影响,同一时间测定与对照的净光合速率(Pn)差异系不同叶龄差异造成.叶片光 \'响应曲线与对照基本一致.光饱和点均为800 μmol/(m~2·s)左右.大棚促成栽培期间,Pn和蒸腾速率(Tr)的日变化均为单峰曲线,Pn与叶温(Tleaf)呈显著正相关,与空气相对湿度(RH)呈显著负相...
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