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Influence of new broadleaf herbicides on weed control, seed yield and quality of some wheat ( Tritcum aestivum) cultivars

Indian Agricultural Research Journals

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Title Influence of new broadleaf herbicides on weed control, seed yield and quality of some wheat ( Tritcum aestivum) cultivars
 
Creator Chopra, Neelam Kumar
Chopra, Nisha
Sinha, S N
 
Subject Broadleaf weeds; Herbicides; Weed control efficiency; Carfentrazone ethyl; Metsulfuron methyl; Gemination; Seedling vigour index
 
Description A field experiment was conducted at Karnal. Haryana during winter (rabi) seasons of 2000-01 and 2001-02 to evaluate the effect of new broadleaf herbicides, viz. carfentrazone ethyl and metsulfuron methyl for weed control, yield and quality of different wheat (Triticum aestivum L.emend. Fiori & Paol.) cultivars raised for seed production. Cultivars 'HD 2687', 'HD 2643' and 'HD 2733' smother the weeds more efficiently than the 'HDR 77', 'HD 2380'and 'HD 2329','HD 2687' recorded maximum grain yield (4.22 tonnes/ha) across weed control levels which was significantly higher than the 'HDR 77', 'HD 2380' and 'HD 2329'. Both carfentrazone and metsulfuron did not affect the spike morphology of different wheat cultivars compared to 2,4-D. Carfentrazone 20g/ha and metsulfuron 4 g/ha reduced the weed density and weed dry weight significantly over the weed check, carfentrazone l0g/ha and 2,4-D 500 g/ha. Carfentrazone 20 g/ha and metsulfuron 4 g/ha controlled 83.7 and 84.1% of broadleaf weeds-respectively and increased the seed yield significantly over the other treatments. Carfentrazone at 10 and 20g/ha and metsufuron 4g/ha did not cause any adverse effect on seed germination and seed vigour hence can be safely used in seed production plots of wheat.
 
Publisher The Indian Journal of Agricultural Sciences
 
Date 2008-05-05
 
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/9785
 
Source The Indian Journal of Agricultural Sciences; Vol 78, No 5 (2008)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/9785/4352
 
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