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Effect of Different Dose of Cleaner 50 Ec Herbicide on Weed Control in Potato Field

S. M. A. H. Mostofa Kamal
SSO
ARS,Burirhat, Rangpur

M.A. Mannaf
CSO
ARS,Burirhat, Rangpur

Abstract/ Executive Summary:

A field trail was conducted at ARS, BARI, Burirhat, Rangpur to search out the optimum rate and time of application of herbicide against weed of this experiment during Rabi season 2013 - 14. Five doses were Cleaner 50EC (quizalofop-p-Ethyl)@ 500 ml/ha at 7 DAP (T₁), Cleaner 50EC (quizalofop-p-Ethyl)@ 650 ml/ha at 7 DAP (T₂), Cleaner 50EC (quizalofop-p-Ethyl)@ 750 ml/ha at 7 DAP (T₃), Cleaner 50EC (quizalofop-p-Ethyl) @ 850 ml/ha at 7 DAP( T4) Two hand weeding at 20 and 40 DAT (_T5) and Control (Untreated) (T₆). The highest potato yield (27.77 t ha^-1) was recorded from spray of Cleaner 50EC (quizalofop-p-Ethyl) @ 750 ml/ha at 7 DAP (T₃ treatment) which was identical with T4 treatment (27.73 t ha^-1). Weed control efficiency varied from 89 % - 92.64%. It may be concluded that Cleaner 50EC (quizalofop-p-Ethyl) @ 750 ml/ha at 7 DAP would be the optimum rate for controlling weed in potato field.

Keywords: Cleaner 50 EC herbicide, Weed control, Potato field

Location: ARS,Burirhat, Rangpur

Start Date: 00-00-2013

End Date: 00-00-2014

Program Area: Pest Management

Commodity: Potato

Objectives:

To find out the optimum rate and time of application of herbicide against weed in potato fields and to compare with conventional method.

Methodology:

Research was conducted at 26 December, 2013 at ARS, Burirhat farm Rangpur during rabi 2013-14. Five doses were Cleaner 50EC (quizalofop-p-Ethyl)@ 500 ml/ha at 7 DAP (T₁), Cleaner 50EC (quizalofop-p-Ethyl)@ 650 ml/ha at 7 DAP (T₂), Cleaner 50EC (quizalofop-p-Ethyl)@ 750 ml/ha at 7 DAP (T₃), Cleaner 50EC (quizalofop-p-Ethyl) @ 850 ml/ha at 7 DAP T₅= Two hand weeding at 20 and 40 DAT (T₄) and Control (Untreated) (T₆). The weedicide was sprayed at 03 December, 2013. The variety of potato was diamont and maintaining spacing 60 cm X 25 cm. The design was randomize complete block with three replications. The plot size was 3 m X 4 m. The recommended fertilizer dose was used 135-30-135-15-4-0.5 kg/ha NPKSZnB. Half of N and full amount of other fertilizers will be applied as basal. Rest of N will be applied as top dressed at 25-30 days after sowing. The three times irrigation was applied in the potato field. The crop was harvested at 05 March, 2014.

Source of Information: Annual Research Report 2013-2014, Agronomy Division, BARI, Gazipur.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/-

Total Budget (Tk.) : 20,000/-

Achievement/Findings:

It may be concluded that Cleaner 50EC (quizalofop-p-Ethyl) @ 750 ml/ha at 7 DAP would be the optimum rate for controlling weed in potato field.

Knowledge Management: Report/Proceedings