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Weed management through sulfonylurea herbicide and its effect on yield in transplanted rice

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Title Weed management through sulfonylurea herbicide and its effect on yield in transplanted rice
Not Available
 
Creator S P Bhattacharya
S Sarkar
A J Karmakar
P Bera
 
Subject Rice
Weed management
Sulphonylurea
 
Description Not Available
A field experiment conducted during the kharif season of 2000 showed that hand weeding twice at 20 and 40 DAT resulted the lowest weed dry matter of 6.9, 11.5 and 10.2 g/m2 at 30, 60 and 9O DAT respectively which were at par with the treatment Chlorimuron ethyl at 4, 6 and g g a.i./hectare. The highest WCE (62%) was obtained at 90 DAT with hand weeding treatment which was closely followed by the treatment Chlorimuron ethyl at 4, 6 and 8 g ai/hectare. Number of effective tillers/m2 and number of filled grain/panicle differed significantly. The highest rice grain yield (3.24t/hectare) was obtained with the hand weeding (twice) treatment which however was at par with the treatments Chlorimuron ethyl at 4, 6 and 8 g a.i./hectare yielding 3.07, 2.99 and 3.05 t/hectare respectively. Among all the herbicides tested, Chlorimuron ethyl at 4 g a.i./hectare applied 3 DAT proved to be the best for controlling all categories of weeds resulting the highest grain yield of rice in the southern plains of West Bengal.
Not Available
 
Date 2021-08-30T09:25:09Z
2021-08-30T09:25:09Z
2002-06-01
 
Type Research Paper
 
Identifier Not Available
0970-0420
http://krishi.icar.gov.in/jspui/handle/123456789/60993
 
Language English
 
Relation Not Available;
 
Publisher MKK Publications