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1985年,我们选用从日本进口的70％甲基托布津可湿性粉剂,对倭锦树白粉病进行了防治试验。在4月15日用1500倍液进行喷雾施药,以单株为小区,以中型枝组为单位,6次重复,作定点观察。施药后10天进行调查,病梢治愈率为62.6％。新梢继续生长
In 1985, we selected the 70% thiophanate-methyl WP imported from Japan to control the powdery mildew of Japanese Kam tree. In the April 15 with 1500 times the liquid spray application to single plant for the community to medium-sized Zhizu unit, 6 times for site observation. Ten days after application, the cure rate was 62.6%. Shoots continue to grow