In order to enrich the variety of grape in Hunan,twenty grape varieties such as Superior Seedless,Manicure Finger,Yatomi Rosa,Qinlongdasui,Centenial seedless,Autumn Royal,Fantasy Seedless,Ruby seedless,Victoria,Jingyu,Summer Black Seedless,Gaoqi,Red Globe,Jingxiu,Rizamat,Christmas Rose,Autumn Black,Venus,Xiyanghong and Hongshuangwei, have been introduced since January 1999,with Kaoho used as control.They are cultivated in Xiaodukou Town of Li county,Changde city.An observation of their growth characteristics,phonological period,yield and quality shows that on the condition of avoiding the rain...