贵州野生葡萄嫁接亲和性研究

Study on Grafting Affinity of Wild Vitis Species Native in Guizhou Province

以贵州葡萄属6个野生种为砧木,6个葡萄栽培品种为接穗,对同穗异砧和同砧异穗的12个嫁接组合亲和性进行了研究.结果表明:贵州葡萄属野生种与水晶葡萄的嫁接亲和力存在差异,亲和力最强的是毛葡萄,最差的是美丽葡萄;以毛葡萄为砧木嫁接不同品种时,从嫁接成活率和接穗当年生长情况看,瑞必尔综合表现最好,其次是水晶和红地球.砧木长势对嫁接成活率影响较大,葡萄绿枝嫁接的时期不宜过晚,否则会影响枝条发育,不利于越冬.

Six grape cultivars which are widely planted in Guizhou province were grafted on six wild Vitis species native in Guizhou to form 12 combinations of grafting different cultivars on the same rootstock and the same scion grafting on different rootstocks,and the grafting affinity between the rootstock and the scion was studied. Different wild Vitis species used as rootstocks in his study showed different grafting affinity with the cultivar ‘Crystal’,V. quinquangularis being the best and V. bellulla the poorest. Of the grape cultivars grafted onto V. quinquangularis,‘Ribier’ performed best,followed by ‘Crystal’ and ‘Red Globe’,based on the survival rate of the grafts and on scion growth vigor of the year. The growth vigor of the rootstock affected the grafting survival rate greatly. It is concluded that greenwood grafting shouldn＇t be carried out too late,or else it will negatively influence shoot development and its overwintering.