Annual grass control by glyphosate plus bentazon, chlorimuron, fomesafen, or imazethapyr mixtures

被引：19
|
作者：
Gimenez, AE [1 ]
York, AC [1 ]
Wilcut, JW [1 ]
Batts, RB [1 ]
机构：
[1] N Carolina State Univ, Dept Crop Sci, Raleigh, NC 27695 USA
来源：
WEED TECHNOLOGY | 1998年 / 12卷 / 01期
关键词：
bentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide; chlorimuron; 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benoic acid; fomesafen; 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitrobenzamide; glyphosate; N-(phosphonomethyl)glycine; imazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid; broadleaf signalgrass; Brachiaria platyphylla (Griseb.) Nash #(3) BRAPP; large crabgrass; Digitaria sanguinalis (L.) Scop. # DIGSA; herbicide mixtures; postemergence weed control; Brachiaria platyphylla; Digitaria sanguinalis; BRAPP; DIGSA;
D O I：
10.1017/S0890037X0004269X
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The isopropylamine salt of glyphosate at 420, 560, and 840 g ae/ha applied alone or mixed with the sodium salt of bentazon at 840 g ai/ha, chlorimuron at 9 g ai/ha, the sodium salt of fomesafen at 350 g ai/ha, or the ammonium salt of imazethapyr at 70 g ae/ha was evaluated for control of large crabgrass and broadleaf signalgrass. Neither grass was controlled by bentazon, fomesafen, or chlorimuron. Imazethapyr controlled large crabgrass and broadleaf signalgrass 30 and 72%, respectively, 3 weeks after treatment (WAT). Glyphosate at all rates controlled both grasses 100%. Control 3 WAT was unaffected by mixing bentazon, chlorimuron, fomesafen, or imazethapyr with glyphosate. Broadleaf signalgrass control 1 WAT was reduced 4 to 15% by mixing bentazon with glyphosate.
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页码：134 / 136
页数：3
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