先锋葡萄为四倍体欧美杂交种。原产日本,是井川秀雄于1957年以巨峰×康能玫瑰杂交育成的。我国1978年由日本引入,我县是1984年从省外引入的。该品种长势强,幼令树落花落果严重,座果率低,是先锋葡萄生产上急待解决的问题。为此,我们于1987年开展本项试验,现将初步结果报告如下,供参改。 Pioneer grapes for the tetraploid hybrid Europe and the United States. Origin Japan, is Ikawa Hideyoshi in 1957 to cross the Kyohikun × hybrid rose bred. Our country was introduced by Japan in 1978, our county was introduced from outside the province in 1984. The variety grows strong, young trees fall and fall severely, fruit set rate is low, is the pioneer grape production urgent problem. For this reason, we conducted this pilot project in 1987, and the preliminary results are reported as follows for reference.