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Effects of increasing CO2 concentrations and N-(2-chloro-4-pyridyl)-N'-phenylurea on fruit yields of Lagenaria leucantha
Author(s): 
Pages: 72-74
Year: Issue:  2
Journal: ACTA AGRICULTURAE ZHEJIANGENSIS

Keyword:  瓠瓜CO2施肥光合作用产量CPPU(N-(2-氯-4-吡啶基)-N'-苯脲);
Abstract: 研究了不同浓度CO2及CPPU处理对瓠瓜(Lagenaria leucantha Rusby)光合作用及果实产量的影响,并探讨了CO2加富对瓠瓜果实产量影响的作用机理.结果表明:提高大棚中的CO2浓度(1 000 μl/L,2 000 μl/L)增强了CPPU对瓠瓜果实增产的效果,但不同浓度CO2对自然授粉株的果实产量影响不大.CPPU处理提高了植株光合速率,增加了瓠瓜座果数,达到增产增收的效果.
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