Title: Comparative Study on Diurnal Variation of Photosynthetic Characters of Different Types of Maize
Abstract: Ordinary maize,supersweet maize and sticky maize were studied in this research to test the diurnal variation of photosynthetic performance,including net photosynthetic rate,stomatal conductance,transpiration rate and intercellular CO2 concentration in filling stage to compare the differences of photosynthetic characters of different types of maize.The results showed that the trend of diurnal variation curve of net photosynthetic rate was basically identical with that of stomatal conductance and transpiration rate,and diurnal variation of intercellular CO2 concentration showed a high—low—high curve.The net photosynthetic rate of sticky maize was universally higher than super sweet maize and super sweet maize was generally higher than ordinary maize.Pn of leaf showed a significantly positive correlation with Gs and Tr,but a significantly negative correlation with Ci.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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