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日本山形大学农学院附属农场难波勉治教官,利用植物激素使山葡萄雄株结实获得成功。山葡萄作为葡萄酒和其它加工业的原料,社会需求量日益加大。但山葡萄属雌雄异株,雄株仅作授粉树而不能结实,对生产来说,既是一个损失,也是一种浪费。难波教官利用一种激素制品,在山葡萄叶片展开4—5枚即5月初,用40ppm 的浓度喷布雄株,结果两性转换率达66—74%。虽然所结果实中也有小,中粒果,但座果率却达33—47%,而花粉活性未衰。
Japan Yamagata Agricultural College affiliated farm Namba Munen instructors, the use of plant hormones make the male grape plants succeed. Hill grape as wine and other raw materials for processing industry, the increasing social needs. However, the grape grape is dioecious, the male plant only for pollinating trees and can not be strong, for the production, it is both a loss, but also a waste. Namba instructors to use a hormone products, grape leaves in the mountains to start 4-5, or early May, spraying the male plant concentration of 40ppm, the result of 66-74% conversion rate of both sexes. Although the results also have small, medium fruit, but the fruit rate is up to 33-47%, while the pollen activity is not bad.