避雨栽培对中国樱桃朱红光合作用的影响

Effect of Shelter Cultivation on Photosynthesis of Chinese Cherry Fruit Zhuhong

[目的]研究避雨栽培对中国樱桃朱红光合作用的影响。[方法]以朱红为材料，将避雨栽培与露地栽培相比，进行叶片净光合速率（Pa）、蒸腾强度（Tr）、光合日变化的测定。[结果]避雨后光照强度降低28．0％~33．1％，中国樱桃的光饱和点和光补偿点均降低，光能利用效率差异不显著，其蒸腾速率显著降低，水分利用效率显著提高。[结论]该研究可为台州地区开展樱桃避雨栽培提供参考依据。

[ Objective] The effect of rain-avoiding shelter cultivation on photosynthesis of Chinese cherry cultivar ＇Zhuhong＇ were studied. [ Method ] Using ＇ Zhuhong＇ as the materials, netphotosynthetic rate （Pn）, transpiration rate （ Tr ） and diurnal variation in leaves were measured to compare the open cultivation with rain-avoiding shelter cultivation. [ Result] After using rain-avoiding shelter cultivation, the light intensity reduced 28.0 % - 33.1%, the light saturation point and light compensation point of Chinese cherry were reduced as well compared with open cultivation. There were no significant differences in light utilization efficiency between open cultivation and rain-avoiding shelter cultivation. The transpiration rate decreased significantly, while the water use efficiency increased. [ Conclusion] The study can provide reference basis for shelter cultivation of cherry in Taizhou area.