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为了培育无病无毒高素质的烟苗 ,提高溴甲烷熏蒸烟草苗床防除病虫草害的效果 ,减少熏蒸投入 ,提高安全性 ,我们于 1 996年在田间进行了溴甲烷不同用药量及熏蒸时间的试验。1 材料与方法供试烟草品种为ＮＣ 89,包衣种子 ,供试药剂为以色列产罐装溴甲烷 ( 681 ｇ) ;试验设在社旗
In order to cultivate disease-free, non-toxic and high-quality tobacco seedlings, increase the effect of methyl bromide fumigation tobacco seedbed in preventing and controlling pests and weeds, reduce the input of fumigation and increase safety, we conducted experiments on different doses of methyl bromide and fumigation in the field in 1996 . 1 Materials and methods Test varieties of tobacco for the NC 89, coated seeds for the test agent for the production of methyl bromide in Israel (681 g); test in the flag