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Competitive ability of different weed species

A range of weed species were grown in all combinations with four crop species (wheat, barley, bean and oilseed rape) under field conditions of 1990-91. The weeds were ranked on the basis of their competitive abilities. The degree to which competitive ability was specific to particular combination of...

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Main Author: S.M. Rezaul Karim
Format: Non-Indexed Article
Published: ANSInet 2002
Online Access:http://discol.umk.edu.my/id/eprint/8388/
http://scialert.net/abstract/?doi=ja.2002.116.118
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spelling my.umk.eprints.83882022-05-23T10:27:14Z http://discol.umk.edu.my/id/eprint/8388/ Competitive ability of different weed species S.M. Rezaul Karim A range of weed species were grown in all combinations with four crop species (wheat, barley, bean and oilseed rape) under field conditions of 1990-91. The weeds were ranked on the basis of their competitive abilities. The degree to which competitive ability was specific to particular combination of crops and weed species was examined. Two indices-crop equivalent and aggressivity were compared to measure the competitive ability of the weeds. Based on aggressivity the ranking order of the weeds for their competitive abilities was, cleavers (Galium aparine L.)> wild oats (Avena fatua L.)> field speedwell (Veronica persica Poir.)> common chickweed (Stellaria media L. Cyrill.)> scented mayweed (Matricaria recutita). The ranking of the weeds varied depending on the associated crop and at different growth stages. There was a poor correlation between crop equivalent and aggressivity. ANSInet 2002 Non-Indexed Article NonPeerReviewed S.M. Rezaul Karim (2002) Competitive ability of different weed species. Journal of Agronomy, 1 (3). pp. 116-118. ISSN 1812-5379 http://scialert.net/abstract/?doi=ja.2002.116.118
institution Universiti Malaysia Kelantan
building Perpustakaan Universiti Malaysia Kelantan
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Kelantan
content_source UMK Institutional Repository
url_provider http://umkeprints.umk.edu.my/
description A range of weed species were grown in all combinations with four crop species (wheat, barley, bean and oilseed rape) under field conditions of 1990-91. The weeds were ranked on the basis of their competitive abilities. The degree to which competitive ability was specific to particular combination of crops and weed species was examined. Two indices-crop equivalent and aggressivity were compared to measure the competitive ability of the weeds. Based on aggressivity the ranking order of the weeds for their competitive abilities was, cleavers (Galium aparine L.)> wild oats (Avena fatua L.)> field speedwell (Veronica persica Poir.)> common chickweed (Stellaria media L. Cyrill.)> scented mayweed (Matricaria recutita). The ranking of the weeds varied depending on the associated crop and at different growth stages. There was a poor correlation between crop equivalent and aggressivity.
format Non-Indexed Article
author S.M. Rezaul Karim
spellingShingle S.M. Rezaul Karim
Competitive ability of different weed species
author_facet S.M. Rezaul Karim
author_sort S.M. Rezaul Karim
title Competitive ability of different weed species
title_short Competitive ability of different weed species
title_full Competitive ability of different weed species
title_fullStr Competitive ability of different weed species
title_full_unstemmed Competitive ability of different weed species
title_sort competitive ability of different weed species
publisher ANSInet
publishDate 2002
url http://discol.umk.edu.my/id/eprint/8388/
http://scialert.net/abstract/?doi=ja.2002.116.118
_version_ 1763303977140617216
score 13.160551

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