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Interactive effect of elevated CO₂, drought and weed competition on carbon isotope discrimination (Δ¹³ C) in wheat (Triticum aestivum) leaves

Indian Agricultural Research Journals

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Title Interactive effect of elevated CO₂, drought and weed competition on carbon isotope discrimination (Δ¹³ C) in wheat (Triticum aestivum) leaves
 
Creator NAIDU, V.S.G.R
VARSHNEY, JAY G
 
Subject Carbon isotope discrimination; Drought; Elevated CO₂; Weeds
 
Description An experiment was conducted in open top chambers (OTCs) during 2006–07 to study the carbon isotope discrimination (Δ¹³C) in wheat (Triticum aestivum L. emend Fiori & Paol.) leaves in response to elevated CO₂, drought and competition by weeds (Phalaris minor, Chenopodium album and Avena fatua). It was observed that drought and weed competition had decreased the Δ whereas, elevated CO₂ had increased the Δ and partially ameliorated the negative effects of drought and weeds on Δ. However, the Δ in wheat was not much influenced by stress but, by elevated CO₂ when it was in association with P. minor suggesting the variability in Δ due to variation in competition by different weeds.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-11-02
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/12021
 
Source The Indian Journal of Agricultural Sciences; Vol 81, No 11 (2011)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/12021/5808
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences