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近年来,陕西汉中地区倍子树受灰膏药病Septobasidium sp.的为害日益严重,城固县发病株率高的达100%,感病指数达72,严重影响五倍子的产量。1990年在该县五堵区进行防治试验,用45%代森铵、58%代森锰锌配成300倍、500倍液,机油乳剂(加少量洗衣粉)配成30倍、50倍液,分别均匀地涂在供试树的树干上,于5月施药2次,间隔7天,1个月后检查药效。试验结果为机油乳剂效果最好,
In recent years, Hanzhong, Shaanxi times the sub-tree by plaster medicine Septobasidium sp. Of the growing damage, Chenggu County incidence of up to 100% of the plant, the disease index of 72, seriously affecting the yield of Chinese nutgall. Prevention and control test was carried out in the Wudong area of the county in 1990. The mixture was diluted with 45% dextrose and 58% mancozeb into 300 times, 500 times, oil emulsion (plus a small amount of detergent) to 30 times and 50 times , Were evenly coated on the trunk of the test tree, spraying in May 2, an interval of 7 days, 1 month after the test efficacy. The test results for the best effect of the oil emulsion,