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防治果蝇为害柚子的新方法每年９月，美国佛罗里达州柚子开始成熟，柚子皮由绿变黄。此时雌性加勒比果蝇将向黄色柚子内部产卵，造成很大损失。美国农业部农业研究服务署的帕屈克、格利尼研究出一种防治方法，即在柚子成熟前、皮仍保持绿色时，用含赤霉酸１０ｐｐｍ的水溶...
Prevention of fruit fly damage grapefruit new method September each year, the United States Florida grapefruit began to mature grapefruit skin from green to yellow. At this point female Caribbean fruit flies will spawn yellow grapefruit inside, causing great losses. The United States Department of Agriculture Agricultural Research Service of Pa Zhuke, Glini developed a control method, that is, before the grapefruit maturation, the skin remains green, with gibberellic acid 10ppm water-soluble ...