University Of Tasmania

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Comparative efficacy of various weed control measures in weed dynamics, yield and profitability of direct seeded fine rice

journal contribution
posted on 2023-05-19, 18:04 authored by Anjum, SA, Mohsin TanveerMohsin Tanveer, Carrijo, D, Akbar, N, Ashraf, U, Ali, I, Zohaib, A, Manzoor, N
Water and labour scarcity pushes researchers to explore alternate sowing methods for rice like aerobic direct seeding but weed infestation is the major hindrance to adapt this production system. In our study, mechanical, chemical and cultural approaches were employed as weed control measures. Weed dynamics and yield parameters were recorded and economic analysis was performed. All weed control measures significantly reduced the weed density and weed dry weight as compared to control and improved harvest index. Maximum control in total weed density and total weed dry weight was achieved by hoeing followed by chemical control. The order of treatment groups in decreasing total density, total weed dry matter production and increment in harvest index was as cultural, chemical and mechanical. However, substantially highest net returns (PKR 44,049/) and highest benefit cost ratio (BCR) (1.53) were obtained by post emergence application of Penuxsulam at the rate of 15 g a.i ha-1 followed by hoeing. Inter-culture, mulching technique and Sesbania drummondi intercropping scored 1.19, 1.13 and 1.21 BCR, respectively. Thus, hoeing with hoe (25 and 45 days after sowing) and post emergence application of Penoxsulamat the rate of 15 g a.i ha-1 were most effective, profitable and economical weed control options.


Publication title

Pakistan Journal of Agricultural Science








Tasmanian Institute of Agriculture (TIA)


University of Agriculture

Place of publication


Rights statement

© 2017 Pakistan Journal of Agricultural Sciences

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the agricultural, food and veterinary sciences