Effectiveness of Herbicide to Control Rice Weeds in Diverse Saline Environments

Md. Abdul Hakim, Abdul Shukor Juraimi, S. M. Rezaul Karim, Md. Sirajul Islam Khan, Mohammad Sohidul Islam, M. Kaium Choudhury, Walid Soufan, Hesham Alharby, Atif Bamagoos, Muhammad Aamir Iqbal, Frantisek Hnilicka, Jan Kubes, Muhammad Habib Ur Rahman, Shah Saud, Mohamed M. Hassan and Ayman EL Sabagh
Additional contact information
Md. Abdul Hakim: Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
Abdul Shukor Juraimi: Faculty of Agriculture, Universiti Putra Malaysia, Serdang43400, Selangor, Malaysia
S. M. Rezaul Karim: Faculty of Agro Based Industry, Campus Jeli, Universiti Malaysia Kelantan, Jeli 17600, Kelantan, Malaysia
Md. Sirajul Islam Khan: Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
Mohammad Sohidul Islam: Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
M. Kaium Choudhury: Department of Agricultural Extension, Agricultural Training Institute, Gaibandha 5700, Bangladesh
Walid Soufan: Plant Production Department, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia
Hesham Alharby: Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21577, Saudi Arabia
Atif Bamagoos: Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah 21577, Saudi Arabia
Muhammad Aamir Iqbal: Department of Agronomy, Faculty of Agriculture, University of Poonch RAWALAKOT (AJK), Rawalakot 12350, Azad Jammu and Kashmir, Pakistan
Frantisek Hnilicka: Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, University of Life Sciences Prague, Kamycka 129, 16500 Prague, Czech Republic
Jan Kubes: Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, University of Life Sciences Prague, Kamycka 129, 16500 Prague, Czech Republic
Muhammad Habib Ur Rahman: Department of Agronomy, Muhammad Nawaz Sharif University of Agriculture, Multan 60000, Punjab, Pakistan
Shah Saud: College of Horticulture, Northeast Agricultural University, Harbin 150030, China
Mohamed M. Hassan: Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
Ayman EL Sabagh: Department of Agronomy, Faculty of Agriculture, University of Kafrelsheikh, Kafr Elsheikh 33516, Egypt

Sustainability, 2021, vol. 13, issue 4, 1-12

Abstract: To mitigate environmental pollution and food contamination caused by inappropriate and excessive herbicide usage, most potent herbicides should be screened to control rice weeds. A research trial was executed for assessing the comparative efficacy of different herbicides to control rice field weeds and to evaluate the toxicity on rice under normal (distilled water) as well as different salinity levels (4 and 8 dS m −1 ). The study was designed to select the most potent herbicide and its appropriate dose for weed control of rice crop in coastal areas. Fourteen herbicidal treatments were included weed free crop, Pretilachlor (0.25, 0.50, 0.375 and 0.75 kg a.i. ha −1 ), Propanil + Thiobencarb (0.6 + 1.2, 0.9 + 1.8, 1.2 + 2.4 and 1.8 + 3.6 kg a.i. ha −1 ), Bensulfuron + MCPA (0.03 + 0.05, 0.045 + 0.075, 0.06 + 0.1 and 0.09 + 0.15 kg a.i. ha −1 ) and weedy check (control). The results revealed that all tested herbicides in higher than recommended doses for non-saline rice fields were effective in controlling Cyperus iria, Echinochloa colona (salt-tolerant) and Jussiaea linifolia but showed in light injury in rice plants grown in non-saline soils. These higher doses of herbicides recorded severe crop injury under saline conditions indicating their differential efficacy from normal non-saline conditions. Treatments including Pretilachlor (0.375kg a.i. ha −1 ), Propanil + Thiobencarb (0.9 + 1.8 kg ai/ha), Bensulfuron + MCPA (0.06 + 0.1 kg a.i. ha −1 ) and Pretilachlor (0.50 kg a.i. ha −1 ) remained superior in terms of weed control and grain yield production under all salinitylevels at TanjungKarang, Malaysia. It is concluded that herbicides respond differently under saline conditions and optimization of their doses potentially prevent herbicidal injury in rice plants.

Keywords: herbicides effectiveness; rice weed control; saline environment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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