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ISSN: 1815-1094 (Print)  2225-7942 (Online)   DOI : 10.28941/pjwsr

Paper Details
Paper ID PJWSR-2018-13
Title EFFECT OF DIFFERENT POST EMERGENCE HERBICIDES ON WEED DENSITY AND SOME AGRONOMIC ATTRIBUTES OF TRANSPLANTED RICE IN RICE-WHEAT CROPPING SYSTEM UNDER ADAPTIVE RESEARCH ZONE SHEIKHUPURA
AuthorsMuhammad Shahbaz , Sher Muhammad, Faqir Ahmad, Sajjad Ali, Muhammad Riaz and Ghulam Nabi
Abstract

Weeds are the major obstacle to rice production through their ability to compete for resources. Rice grower mainly applied pre emergence herbicides for weeds control in transplanting rice. These herbicides were found less effective against some weeds, therefore a study was conducted for weed management in transplanted rice by using different post emergence herbicides at three different locations in Adaptive Research Zone, Sheikhupura, Pakistan, during year 2015. The herbicidal treatments comprised of four herbicides viz: bisbyribac sodium at 200 g ha-1, ethoxysulfuran at 50 g ha-1, orthusulfamuran at 150g ha-1and penoxsulam at 62 g ha-1at 20days after transplanting. A weedy check plot was maintained for comparison. It is depicted from the results that weed density, plant growth, yield and yield attributing traits were affected and the trend of lower weed density and higher paddy yield was obtained. Among the herbicide treatments, bispyribac sodium performed better and 91.6, 94.5 and 90.0% weed control efficiency with 26.4, 12.9 and 18.9% higher paddy yield was recorded as compared to weedy check at Adaptive Research Farm, Sheikhupura, farmer’s field Village Dera Gujran Tehsil Safdrabad and Village Ghallar Maharan Tehsil Sheikhupura locations, respectively. Among the herbicides, bispyribac sodium was found the best for obtaining higher paddy yield and weed control efficiency.

Pages 1-8
Volume 24
Issue 1
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