五个圆叶葡萄品种在江苏南京地区的引种表现

以引进的5个圆叶葡萄品种‘阿拉紫’‘诺贝尔’‘格威尔’‘卡洛斯’和‘弗雷尔’为对象,调查和分析各品种的植物学特征、生物学特性和栽培性状。结果表明,5个品种均为中熟品种,‘格威尔’成熟期为8月中旬,其它4个品种在8月上旬成熟。果实品质方面,5个品种均表现果皮较厚、无涩味、香味浓郁、种子较多等特点,其中‘格威尔’和‘卡洛斯’的果粒大小和可溶性固形物较高,且两品种的固酸比均超过30,口感较好。栽培性状方面,5个品种在江苏南京地区的高温、高湿气候条件下均表现长势良好、抗病性强。综合不同栽培条件和果实经济性状发现,‘卡洛斯’耐热性强,在南京地区避雨条件下表现优异,‘格威尔’和‘阿拉紫’在露地栽培条件下表现良好,‘诺贝尔’‘弗雷尔’有待进一步观察。

Adapability report of introducted five Vitis rotundifolia varieties in Nanjing of Jiangsu

Botanical,biological,and cultivated characteristics of five Vitis rotundifolia varieties(Alachua,Nobel,GV,Carlos and Fry)from America were investigated.The results showed that all five varieties were mediumripened,the mature period was in mid-August,and the other four varieties matured in early August.In the fruit quality,the five varieties had thicker pericarp,no astringency,rich aroma and more seeds.Among them,the fruit size and soluble solids of'GV'and'Carlos'were higher,and the solid-acid ratio of both varieties was more than 30,and the taste was better.In terms of cultivation characters,the five varieties all grew well and had strong disease resistance under the conditions of high temperature and high humidity climate in Nanjing.According to different cultivation conditions and fruit economic characteristics,it was found that'Carlos'had strong heat resistance,excellent performance under rain shelter in Nanjing;'GV'and'Alachua'performed well under open-field conditions,and'Nobel'Fry'needed further observation.