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以１０００ｍｇ／Ｌ敌百虫和１度的石硫合剂处理花帅苹果，其疏花疏果效应非常明显，大小年现象显著下降，平均单果重明显增长，而单用８００ｍｇ／Ｌ除虫菊酯效果不明显。
The treatment of Huashuai apple with 1000 mg / L trichlorfon and 1 degree of lime sulfur agent had obvious effect of thinning and thinning, the size and year-of-life decreased significantly and the average fruit weight increased obviously. However, the effect of 800 mg / L pyrethrins alone obvious.