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Efficacy of Herbicides for Controlling Weeds in Lentil Field

J. Hossain
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. A. Islam
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. O. Ali
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

S. M. Zaman
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

M. Hossain
Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted at Pulses Research Centre, Ishurdi, Pabna during 2018-19 to find out the efficacy of herbicides on weed control and crop response in lentil. Eight treatments viz. T₁= Whip super 9EC (Pre-emergence), T₂= Weednil 5 EC (Pre-emergence), T₃= Panida 33 EC (Pre-emergence), T₄= Whip super 9EC (Pre-emergence and post-emergence ), T₅= Weednil 5 EC (Pre-emergence and post-emergence ), T6= Panida 33 EC (Pre-emergence) and Whip super 9EC (post-emergence), T₇= Panida 33 EC (Pre-emergence) and Weednil 5 EC (Post-emergence), T₈= Whip super 9 EC (Post-emergence), T₉= Weednil 5 EC (Post-emergence), T₁₀= Hand weeding and T₁₁= Control (No weeding) were included in this experiment. Herbicides were applied at moist condition of soil after irrigation for proper seed germination that means pre-emergence condition and post emergence at 20 Days after lentil emergence. The experiment was laid out in a randomized complete block design with three replications. Among the treatments, application of Panida in pre-emergence and whip super in post-emergence was effective method to control narrow leaf weed and sedge weed for achieving higher yield on the basis of BCR

Keywords: Herbicides, Weeds, Lentil,

Location: Pulses Research Centre, Ishurdi, Pabna

Start Date: 00-00-2018

End Date: 00-00-2019

Program Area: Crop-Soil-Water Management

Commodity: Herbicide, Weed management, Lentil

Objectives:

To find out the suitable herbicide to control weeds effectively and economically to increase the yield of lentil.

Methodology:

The experiment was conducted at Pulses Research Centre, Ishurdi, Pabna during 2018-19 under AEZ-11. Eleven treatments viz. T₁= Application of Whip super 9EC (Fenoxiprop-p-Ethyl, 750 ml ha^-1) in Pre-emergence, T₂= Weednil 5 EC (Quizalofop-p-Ethyle, 650 mL ha^-1) in, T₃=Panida 33 EC (Pendimethalin, 2.5 L ha^-1) in Pre-emergence, T₄= Whip super 9EC (Pre-emergence+post-emergence) T₅= Weednil 5 EC (Pre-emergence+post-emergence), T₆= Panida 33 EC (Pre-emergence) + Whip super 9EC (post-emergence), T₇= Panida 33 EC (Pre-emergence) + Weednil 5 EC (post-emergence), T₈= Whip super 9EC (post-emergence), T₉=Weednil 5 EC (post-emergence), T₁₀= Hand weeding, T₁₁= Control (No weeding) and were included this experiment. Herbicides were applied at moist condition of soil after irrigation after seed sowing for proper seed germination that means pre-emergence condition and herbicides were applied in post emergence at 20 Days after emergence. The experiment was laid out in a randomized complete block design with three replications. Plot size was 6 m x 3 m. The sowing date was on 11 November 2018 and harvested on 02 March 2019. Seeds of BARI Masur-8 were used @ 35 kg ha^-1. In the experimental plots fertilizers @18-24-30-18-2.0-1 kg ha^-1N-P-K-S-Zn and B was applied during final land preparation (FRG-2012). Weed sample were collected from 1 m² area of each plot at 35 DAS and weed dry matter was taken after oven dry. Plant population m^-2 at harvest and yield contributing characters were recorded from 5 randomly selected plants from each plot and grain yield was calculated as kg ha^-1. The recorded data were statistically analyzed and the mean values were adjusted by LSD at 0.05 levels of probability.

Source of Information: Annual Research Report-2018-2019, Pulses Research Centre, BARI, Ishurdi, Pabna, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that although hand weeding gave higher yield and gross return, application of Panida in pre-emergence followed by Whip super/ Weednil in post-emergence was preferable on the basis of BCR. It was effective method to control narrow leaf weed and sedge weed for achieving higher yield. This experiment can be continued in the next year for concrete conclusion.

Knowledge Management: Report/Proceedings