Soybean (Glycine max) response to simulated drift from selected sulfonylurea herbicides, dicamba, glyphosate, and glufosinate

被引:120
作者
Al-Khatib, K [1 ]
Peterson, D [1 ]
机构
[1] Kansas State Univ, Dept Agron, Manhattan, KS 66506 USA
关键词
dicamba, 3,6-dichloro-2-methoxybenzoic acid; glufosinate; 2-amino-4-(hydroxy-methylphosphinyl)butanoic acid; glyphosate; N-(phosphonomethyl)glycine; nicosulfuron, 2-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N,N-dimethyl-3-pyridinecarboxamide; primisulfuron, 2-[[[[[4,6-bis(difluoromethoxy)-2-pyrimidinyl]amino]carbonyl]amino]sulfonyl]benzoic acid; CGA-152005 (proposed common name, prosulfuron), 1-(4-methoxy-6-methyl-triazin-2-yl)-3-[2-(3,3,3-trifluoropropyl)-phenylsulfonyl]-urea; rimsulfuron, N-[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]-3-(ethylsulfonyl)-2-pyridinesulfonamide; thifensulfuron; 3-[[[[(4-methoxy-6-methyl-; 1,3,5-triazin-2-yl)amino]carbonyl]amino] sulfonyl]-2-thlophenecarboxylic acid; soybean; Glycine max (L.) Merr; CGA-152005; nicosulfuron; primisulfuron; rimsulfuron;
D O I
10.1017/S0890037X00041713
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Field research was conducted to evaluate the response of soybean to various herbicides applied at rates to simulate drift damage. Dicamba, glyphosate, glufosinate, and the sulfonylurea herbicides CGA-152005, primisulfuron, nicosulfuron, rimsulfuron plus thifensulfuron, and CGA-152005 plus primisulfuron were applied to soybean at the two to three trifoliolate leaf stage in 1997 and 1998 at 1/100, 1/33, 1/10, and 1/3 of the recommended use rates. The order of yield reduction after herbicide treatment was CGA-152005 > dicamba > CGA-152005 plus primisulfuron > rimsulfuron plus thifensulfuron > primisulfuron. Soybean yields were not reduced by glyphosate, glufosinate, and nicosulfuron. Applications of all herbicides at rates higher than 1/33, of the use rate caused injury symptoms within 30 d after treatment. However, soybean plants had partially or fully recovered by the end of the growing season. Therefore, early-season injury symptoms from herbicide drift are not reliable indicators for soybean yield reduction.
引用
收藏
页码:264 / 270
页数:7
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