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Effect of Herbicide in Controlling Broad Leaf Weed in Wheat

M M Kamrozzaman
Senior Scientific Officer
OFRD, BARI, Faridpur

Selim Ahmed
Scientific Officer
OFRD, BARI, Faridpur

Abstract/ Executive Summary:

The experiment was carried out at FSRD site, Hatgobindapur, Faridpur during the rabi season of 2008-09 & 2009-10. The lands were medium high land and design was RCB. The trial was conducted in five dispersed replications. Four treatments were used in these trial, namely T₁= U46D fluid @1ml litre-1 water, T₂= Ronstar @ 1 ml litre-1 water, T₃= Only one hand weeding (25-30DAS) T₄= No weeding. Higher grain yield was found by applying Ronstar followed by U46D fluid and no weeding treatment gave the lowest yield. Both herbicides showed better yield as well as BCR (1.93) whereas no weeding and 1 HW gave lower benefit.

Keywords: Herbicide, Wheat, Broadleaf

Location: Hatgobindapur, Faridpur

Start Date: 00-00-2009

End Date: 00-00-2010

Program Area: Pest Management

Commodity: Herbicide

Objectives:

To find out the effective and economic control measures of broad leaf weed in wheat field
To popularize the chemical control of weeds in wheat.

Methodology:

The trial was conducted at FSRD Site, Hatgobindapur, Faridpur during the Rabi season 2009-10. The experiment was laid out in RCB design with six dispersed replications. Four treatments were used in the trial, namely T₁: U46D fluid@1ml litre-1 water, T₂: Ronstar @1ml litre-1 water, T₃: Only one hand weeding (25-30DAS) and T₄: No weeding. The unit plot size was 5 m x 6 m with 20 cm row spacing. The land was fertilized with 100-26-33-20-5-1 kg N-P-K-S-Zn-B per hectare. All TSP, MoP, Gypsum, Zinc and Boron and two-third urea were applied before final land preparation. The rest urea was applied after 1st irrigation. The crop was sown on 24 to 26 November 2009. Two irrigation were applied at 18 and 51 days after sowing. Two hand weeding was done at 17 and 44 DAS. Intercultural operations were done as and when necessary. The crop was harvested on 16 to 20 March 2010. The yield and yield contributing characters of wheat were collected and analyzed statistically.

Source of Information: Annual Research Report, 2009-10 published by OFRD, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest grain yield (4.22 t ha^_-1) of wheat was found in T₂ followed by application of U 46 D fluid @ 1 ml litre-1 (4.20 t ha^-1). One hand weeding (25-30 DAS) gave lower yield followed by no weeding gave the lowest yield (3.22 t ha^-1). Higher number of grains per spike was produced from T₁ followed by T₂and the lowest from no weeding. Plant height (cm) and number of plants m^-2 statistically differs among the treatments. Thousand (1000) grain weight was not statistically differ among the treatments. Highest straw yield was also found from T₂ followed by T₁. Application of Ronstar gave the highest gross return and gross margin but both herbicides showed similar BCR (1.93) and much higher than 1 HW and control.

Knowledge Management: Report/Proceedings