Yield and physiological response of peanut to glyphosate drift

被引：21

作者：

Lassiter, Bridget R. ^{[1
]}

Burke, Ian C. ^{[1
]}

Thomas, Walter E. ^{[1
]}

Pline-Srnic, Wendy A. ^{[1
]}

Jordan, David L. ^{[1
]}

Wilcut, John W. ^{[1
]}

Wilkerson, Gall G. ^{[1
]}

机构：

[1] N Carolina State Univ, Raleigh, NC 27695 USA

来源：

WEED TECHNOLOGY | 2007年 / 21卷 / 04期

关键词：

herbicide drift; shikimic acid accumulation;

D O I：

10.1614/WT-07-045.1

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Five experiments were conducted during 2001 and 2002 in North Carolina to evaluate peanut injury and pod yield when glyphosate was applied to 10 to 15 cm diameter peanut plants at rates ranging from 9 to 1,120 g ai/ha. Shikimic acid accumulation was determined in three of the five experiments. Visual foliar injury (necrosis and chlorosis) was noted 7 d after treatment (DAT) when glyphosate was applied at 18 g/ha or higher. Glyphosate at 280 g/ha or higher significantly injured the peanut plant and reduced pod yield. Shikimic acid accumulation was negatively correlated with visual injury and pod yield. The presence of shikimic acid can be detected using a leaf tissue assay, which is an effective diagnostic toot for determining exposure of peanut to glyphosate 7 DAT.

引用

页码：954 / 960

页数：7

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