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国光苹果是丰产耐贮藏的晚熟品种,但裂果现象比较严重。据我们观察,最严重的年分裂果达40％以上,一般年分25—35％,严重影响果品质量,在经济上也造成很大损失。为此,我们从1984年开始,在裂果前一个月(7月下旬),喷
Guoguang Apple is a late-maturing varieties of high yield, but the cracking phenomenon is more serious. According to our observation, the most serious annual split fruits reach more than 40%, generally 25-35%, seriously affecting the quality of fruit products and causing great economic losses. To this end, we started in 1984, a month before cracking (late July), spray