Critical period of weed interference in peanut

Everman  WJ; Clewis  SB; Thomas  WEBurke  ICWilcut  JW

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Critical period of weed interference in peanut

机译：Critical period of weed interference in peanut

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Field studies were conducted near Lewiston-Woodville and Rocky Mount, North Carolina, USA, to evaluate the effects of mixed weed species on groundnut yield. A combination of broadleaf and grass weeds were allowed to interfere with groundnut for various intervals to determine both the critical timing of weed removal and the critical weed-free period. These periods were then combined to determine the critical period of weed control in groundnut. The effects of various weedy intervals on groundnut yield were also investigated. The predicted critical period of weed control, in the presence of a mixed population of weeds, was from 3 to 8 weeks after planting (WAP). Groundnut yield decreased as weed interference intervals increased, demonstrating the need for weed control throughout much of the growing season in the presence of mixed weed populations.

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来源
《Weed technology: A journal of the Weed Science Society of America》 |2008年第1期|63-67|共5页
作者
Everman WJ; Clewis SB; Thomas WEBurke ICWilcut JW;
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作者单位

Crop Science Department, North Carolina State University, Raleigh, NC 27695-7620, USA.;

ath1a.med.upenn.edu;

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原文格式 PDF
正文语种英语
中图分类植物保护;
关键词
crop weed competition; crop yield; groundnuts; weeds; Arachis hypogaea; North Carolina; USA;

Critical period of weed interference in peanut

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