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Effect of interculture operations and scheduling of Atrazine application on weed control and productivity of rainfed maize (Zea mays) in Shiwalik foothills of Punjab

Indian Agricultural Research Journals

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Title Effect of interculture operations and scheduling of Atrazine application on weed control and productivity of rainfed maize (Zea mays) in Shiwalik foothills of Punjab
 
Creator SHARMA, A R
TOOR, A S
SUR, H S
 
Subject Atrazine, grain yield, interculture, maize, post-emergence, sand-mix, spray application, weed dry weight
 
Description In a 2-year study during 1997 and 1998, the effect of interculture operations at 15 and 30 days of growth integrated withn atrazine @ 1 kg/ha as pre- and post-emergence through either spray or sand-mix application was evaluated onrainfed maize (Zea mays L.) at Ballowal Saunkhri, Punjab. Results showed that atrazine applied as pre-emergencereduced weed population at 15 days of growth significantly (74.8-83.6%) compared with control (75-80 no./m2).Post-emergence application of Atrazine at 15 days of growth after interculture (hoeing) caused a similar reduction(77.1-82.9%) in weed population at 30 days of growth. Atrazine application through spray or sand-mix was equallyeffective in controlling weeds and increasing grain yield equal to that with Atrazine+interculture at 15 days of growth. Earthing-up not found beneficial in atrazine-applied treatments. The loss in grain yield due to unchecked weed growth was to the extent of 32.4-42.3%. The results suggested that atrazine can be useful as sand mix post-emergence application following hoeing at 15 days of growth for effective control of weeds and increasing grain yield of maize by 1.0 tonne/ha in the Kandi area of Punjab
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-04-02
 
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/28714
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 11 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28714/12991
 
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