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CO_2气肥对日光温室油桃光合作用和果实品质的影响 被引量:3

Effects of CO2 enrichment on photosynthesis and fruit quality of nectarine in sun greenhouse
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摘要 以早红宝石为试验材料研究了施用CO2 气肥对日光温室油桃光合作用和果实品质的影响 ,结果表明 :施用CO2 气肥 ,油桃的光饱和点由 12 0 0 μmol/ (m2 ·s)下降到 6 0 0 μmol/ (m2 ·s) ,对弱光 [PAR <6 0 0 μmol/ (m2 ·s) ]的光能利用率提高 ,羧化效率也明显提高。施用CO2 气肥后日平均净光合速率为 5 .35 μmol/ (m2 ·s) ,比对照提高7.4 % ;叶片叶绿素a和叶绿素b含量分别比对照提高 2 5 .7%和 19.4 % ,平均单果重比对照提高 10 .8% ,可溶性固形物和维生素C的含量也有不同程度的改善。
出处 《江苏农业科学》 CSCD 北大核心 2003年第5期73-75,共3页 Jiangsu Agricultural Sciences
基金 江苏省科技攻关项目 (BE2 0 0 13 2 5 -2 )
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