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H-351和二甲四氯钠盐混配对加拿大一枝黄花的联合毒力
THE JOINT TOXICITY OF MIXTURES OF H-351 AND MCPA ·NA TO CANADA GOLDENROD (Solidago canadensis)
【摘要】 采用盆栽茎叶处理法 ,以H 35 1和二甲四氯钠盐两种除草剂混配对加拿大一枝黄花 (Solidagocanadensis)的联合毒力进行生物测定。结果表明 ,混剂的增效作用高达 2 .2 5倍。用统计理论分析得出了两药剂混用的最佳配比 ,并通过田间药效试验证实了该配方的除草效果。
【Abstract】 The test for the joint toxicity of mixtures of H- 351 and MCPA·NA to Canada goldenrod was carried out by spraying leaves of pot p lants. The result showed that the synergism of the mixtures could reach 2.25 tim es. The optimum mixing ratio of H-351 to MCPA·NA was got by statistical analys is, and its control efficiency was verified through field experiments.
【基金】 青浦区科委发展基金项目 (0 2 -19号 )。
- 【文献出处】 上海农业学报 ,Acta Agriculturae Shanghai , 编辑部邮箱 ,2004年04期
- 【分类号】S482.4
- 【被引频次】8
- 【下载频次】97