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机构地区:[1]辽宁大学生态环境研究所
出 处:《辽宁大学学报(自然科学版)》1998年第4期389-392,共4页Journal of Liaoning University:Natural Sciences Edition
摘 要:通过田间试验、调查和室内测定分析,初步筛选出适于防除草坪阔叶杂草的除草剂和适宜的浓度:麦草畏3L/公顷,绿黄隆150g/公顷,2甲4氯3kg/公顷+麦草畏3L/公顷,2,4-D丁酯3L/公顷+2甲4氯3kg/公顷.它们的鲜重除草率均在80%以上.这些药剂对草坪草无药害,对草坪的鲜重、干重、分蘖、侧根、根状茎等生长指标无不良影响。With the methods of field experiment, investigation and laboratory analysis, several kinds of herbicides were sift out. Optimum concentrations of dicamba, chlorulsuron were 3L and 150g per hm 2, MCPA mixed with dicamba and 2,4 D mixed with MCPA accounted for 3kg, 3L, 3L and 3kg per hm 2, respectively. There were no negative effects on the fresh biomass, dry weight, tiller, lateral root and rhizoid stem of Poa pratensis after herbicides used, and the coverage of lawn was increased obviously.
分 类 号:S688.405.5[农业科学—观赏园艺] TQ457[农业科学—园艺学]
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