葡萄砧木新品种——抗砧5号的选育

A new grape rootstock cultivar Kangzhen No.5

抗砧5号是以贝达×420A杂交选育而成的葡萄砧木新品种,极耐盐碱,高抗葡萄根瘤蚜,高抗根结线虫,适应性广。与生产上常见品种嫁接亲和性良好,偶有"小脚"现象。对接穗品种夏黑、巨玫瑰和红地球等葡萄品种的主要果实经济性状无明显影响。在郑州地区,4月中旬萌芽,5月上旬开花,7月中旬果实开始着色,8月中旬果实充分成熟,10月下旬叶片开始老化脱落。

Kangzhen No.5 is derived from Beta（V.riparia Michawx.×V.labrusca）and 420A（V.berlandieri Planch×V.riparia Michawx）,which is very high resistant to salinity,phylloxera and root-knot nematode,adaptability.Kangzhen No.5 has a good compatibility with the commercial cultivars.It has no appreciable effect on the main characteristics of Summer Black,Jumeigui and Redglobe.This rootstock germinates in mid-April,blooms in early May.Branches began to mature in early July.Fruit matures in middle August.Leaves began to drop in early November in Zhengzhou.