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黄瓜霜霉病对甲霜灵、乙磷铝敏感性程度测定结果初报孙晓清（内蒙古呼和浩特植保植检站呼和浩特０１００１０）呼和浩特市郊区每年种植黄瓜面积２００ｈｍ２左右。近年来，用甲霜灵、乙磷铝防治黄瓜霜霉病，尽管单位面积用量高出推荐用量的几倍至数十倍，也难以达到理想的...
Cucumber Downy Mildew and Metformin Susceptibility Testing Results Sun Xiaoqing (Hohhot, Inner Mongolia Plant Protection and Inspection Station, Hohhot 010010) Hohhot suburbs of cucumber planting area of about 200hm2 each year. In recent years, with metalaxyl, metopyl aluminum control cucumber downy mildew, although the dosage per unit area than the recommended dosage several times to several times, it is difficult to achieve the desired ...