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加拿大一枝黄花2002年在我市开发区零星发生,至2004年仅3年时间已波及全市95.7%的村,发生面积达500多hm2。为迅速控制该草的蔓延,2005年春,我们选用草甘膦等不同剂型、不同种类的除草剂进行防除试验,现将结果报道如下。1材料与方法1.1供试药剂及处理10%草甘膦AS(南通江山农化股
Solidago canadensis sprouted sporadically in the development zone of our city in 2002 and only reached 95.7% of villages in the city in only 3 years in 2004, with an area of over 500 hm2. In order to quickly control the spread of the grass, in the spring of 2005, we selected glyphosate and other dosage forms and different kinds of herbicides to carry out the control tests. The results are reported below. 1 Materials and Methods 1.1 for the test agent and treatment of 10% glyphosate AS (Nantong Jiangshan Agrochemicals Unit