Study on Photosynthetic Characteristics of Wild Watermelon(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: XIAO Bo; ZHANG Mingquan; (College of Gardening and Horticulture，Yangtze University，Jingzhou，Hubei 434025)

Keywords:: wild watermelon; photosynthetic characteristics; cultivated watermelon

Abstract:: Photosynthetic characteristics of wild watermelon from Xinjiang and cultivated watermelon ‘Xiyuzhen No.1’ (CK) were investigated by using the LI-6400 portable photosynthesis system.The results showed that net photosynthetic rate (Pn)，stomatal conductance (Gs) and transpiration rate (Tr) of wild watermelon were higher than those of the cultivated watermelon at different growth stages and at the same leaf age.At fruit stage，parameters derived from photosynthetic light response model indicated maximum photosynthesis rate (Pn max) and light saturation points (LSP) and apparent quantum yield (AQY) were higher than those of the cultivated watermelon.These results suggested that wild watermelon was a germplasm with high photosynthesis.

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Last Update: 2016-05-31