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Response of Photosynthesis to Light and CO_ 2 in Chieh-qua |
Song Shiwei ; Liu Houcheng ; Chen Riyuan |
College of Horticulture; South China Agricultural University; Guangzhou 510642; College of Agriculture and Biology; Shanghai Jiao Tong University; Shanghai 201101 |
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Abstract The response of leaf photosynthesis to light and CO_ 2 were studied in 4 chieh-qua(Benincasa hispida Cogn.var.chiehqua How.)cultivars.The results showed that there were higher light saturation point,lower light compensation point,higher maximum net photosynthetic rate(Pn)at saturated-light intensity and apparent quantum yield(AQY)in 14-2,Texuan No.4 and Huangmao,which indicated their higher light utilization efficiency.CO_ 2 saturation point were similar in the 4 chieh-qua cultivars.Yueke No.2 had the highe...
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Received: 14 September 2005
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