培育粒大、无核和品质优良的葡萄品种,是日本葡萄发展的趋势。1962年在日本用赤霉素处理巨峰品种,获得了无核果实。现在,能无核化的巨峰已在日本广泛栽植。但是,用赤霉素处理巨峰的无核技术还存在着许多问题。最近试验用促生灵(PCPA——对氯苯氧 Breeding large grain, non-nuclear and excellent quality grape varieties, is the development trend of Japanese grapes. In 1962 in Japan with gibberellic acid treatment of peak varieties, obtained seedless fruit. Now, a nuclear-free giant has been widely planted in Japan. However, there are still many problems with the non-nuclear technology for treating huge peaks with gibberellins. The recent test to promote the soul (PCPA - p-chlorophenoxy)