Major limiting factors and improvement measures on sweet cherry cultivation in southern China

The fruiting habits of sweet cherry(Prunus avium L.)in warm winter regions as Yangtze River region were studied in terms of two aspects:First,cultivation and management such as cultivar selection,fertilizer,water and plant growth regulator management,trimming,pollination varieties deployment,facilities cultivation techniques;Second,intrinsic factors such as chilling requirement,photosynthetic characteristics,effects of high temperature and rainfall in summer on gametes development process and flower bud differentiation.The reasons of abnormal growth were analyzed,such as poor fruit set,abnormal flower organs and high irregular-fruit-rate,which could provide theoretical support for introduction and high efficiency cultivation of sweet cherry in Shanghai as well as other warm winter regions in southern China.

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