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Bio-efficacy and selectivity of different herbicides against weed flora in wheat (Triticum aestivum)

Indian Agricultural Research Journals

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Title Bio-efficacy and selectivity of different herbicides against weed flora in wheat (Triticum aestivum)
 
Creator PAL, SURESH
SHARMA, RAJVIR
SHARMA, H B
SINGH, RAGHAVENDRA
BABU, SUBHASH
 
Subject Efficacy, Evaluation, Weed density, Weed dry matter, Yield, Yield attributes
 
Description Field experiment was carried out during two consecutive rabi seasons of 2008-09 and 2009-10 at Research Farm of Division of Agronomy, Indian Agricultural Research Institute, New Delhi, to evaluate the bio-efficacy and selectivity of different herbicides against weed flora in wheat (Triticum aestivum L.). Data reveals that readymix applications of mesosulfuron+iodosulfuron (24.0 + 4.8 g/ha) caused the highest reduction in the total weed density and weed dry matter accumulation during both the years at all stages of crop growth which however was statistically at par with mesosulfuron+iodosulfuron (18.0+3.6 g/ha), sulfosulfuron+ metsulfuron (20.0 + 4.0 g/ha), and clodinafop+metsulfuron (60.0 + 4.0 g/ha). With regards to yield attributes and grain yield, application of sulfosulfuron and metsulfuron (20.0+4.0 g/ha) were recorded the maximum values of effective tillers/plant (11.81 and 10.09), length of ear head (10.47 and 9.95 cm), spikelet ear/head (18.29 and 17.89) and number of grains ear/head (53.43 and 53.22) and grain yield (5.57 and 5.17 tonnes/ha) which was closely followed by weed free, mesosulfuron+iodosulfuron (24.0+4.8 g/ ha) and (18.0+3.6 g/ha), tank mix clodinafop+metsulfuron (60.0+4.0 g/ha) during both the years. With respect to economics, highest B:C ratio (1.72 and 1.65) were recorded with the application of sulfosulfuron and metsulfuron (20.0+4.0 g/ha) during both the years.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2015-05-13
 
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/48499
 
Source The Indian Journal of Agricultural Sciences; Vol 85, No 5 (2015)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/48499/20824
 
Rights Copyright (c) 2015 The Indian Journal of Agricultural Sciences