Weed suppression by canola and mustard cultivars

Beckie  HJ; Johnson  EN; Blackshaw  REGan YanTai

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Weed suppression by canola and mustard cultivars

机译：Weed suppression by canola and mustard cultivars

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Competitive crops or cultivars can be an important component of integrated weed management systems. A study was conducted from 2003 to 2006 at four sites across semiarid prairie ecoregions in western Canada to investigate the weed-suppression ability of canola and mustard cultivars. Four open-pollinated canola cultivars, four hybrid canola cultivars, two canola-quality mustard cultivars, two oriental mustard cultivars, and two yellow mustard cultivars were grown in competition with indigenous weed communities. Yellow mustard was best able to suppress weed growth, followed in decreasing order of weed competitiveness by oriental mustard and hybrid canola, open-pollinated canola, and canola-quality mustard. Competitive response of cultivars, assessed by weed biomass suppression, was negatively correlated with time to crop emergence and positively correlated with early-season crop biomass accumulation (prior to bolting) and plant height.

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来源
《Weed technology: A journal of the Weed Science Society of America》 |2008年第1期|182-185|共4页
作者
Beckie HJ; Johnson EN; Blackshaw REGan YanTai;
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作者单位

Plant Scientist, Agriculture and Agri-Food Canada (AAFC), Saskatoon Research Centre, 107 Science Place, Saskatoon, Saskatchewan S7N 0X2, Canada.;

harm.usyd.edu.au;

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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
biomass; biomass production; crop weed competition; cultivars; growth; Indian mustard; plant communities; plant height; rape; swede rape; weeds; Brassica juncea; Brassica napus var. oleifera; Canada;

Weed suppression by canola and mustard cultivars

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