早春葡萄第一次消毒杀菌,一般是用波美5度石硫合剂来完成的。1984—85年,我们试用福美砷代替石硫合剂,从药效和降低成本方面均取得明显效果。试验地点在本所一队葡萄园,喷药时间为早春4月下旬,福美砷浓度 Early spring grapes disinfection for the first time, is usually used Baume 5 degrees stone sulfur mixture to complete. In 1984-85, we tried to use arsenic instead of lime and sulfur arsenic to achieve remarkable results both in terms of efficacy and cost reduction. Test sites in our team of vineyards, spraying time for the early spring in late April, Fu Mei arsenic concentrations