Competitive effects of multiple weed species on weed biomass and wheat yield

被引：0

作者：

Wright, KJ ^{[1
]}

Seavers, GP ^{[1
]}

Wilson, BJ ^{[1
]}

机构：

[1] Univ Bristol, Long Ashton Res Stn, Dept Agr Sci, IACR, Bristol BS18 9AF, Avon, England

来源：

1997 BRIGHTON CROP PROTECTION CONFERENCE - WEEDS, CONFERENCE PROCEEDINGS VOLS 1-3 | 1997年

关键词：

D O I：

暂无

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

An experiment was established in autumn 1992 to study the interactive effects of multiple weed species competition in winter wheat. Galium aparine, Matricaria perforata and Papaver rhoeas were grown singly and as pairs of species in wheat. P. rhoeas produced most biomass both singly and in mixture resulting in greatest crop biomass and yield reductions. In mixture, P. rhoeas had the greatest influence in depressing the biomass of the associated species. The effects of weeds in mixture on crop biomass were additive in May, but at harvest, yield reductions from weeds in mixture were only slightly greater than from single species.

引用

页码：497 / 502

页数：6