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Evaluation of Different Insecticides Against Potato Cutworm, Agrotis Ipsilon

Mst. Majida Khatun
Scientific Officer
Tuber Crops Research centre, BARI, Joydebpur, Gazipur

N. K. Datta
Senior Scientific Officer
Tuber Crops Research centre, BARIJoydebpur, Gazipur

Abstract/ Executive Summary:

Eleven insecticides were evaluated against potato cutworm (Agrotis ipsilon,Hufnagel) infestation at Gazipur. All the insecticides were more or less effective in controlling the potato cutworm. Of the tested insecticides, six namely Sechlor48EC, Prefer55EC, Aniret 2.5EC, Nurfuran5G, Larvin75WP, and Salbo55 EC gave more than 80% reduction of tuber damage over control. The highest yield was obtained from Sechlor 48EC treated plots.

Keywords: Insecticide, Potato, Cutworm

Location: Joydebpur, Gazipur

Start Date: 29-11-2010

End Date: 00-00-2011

Program Area: Pest Management

Commodity: Potato, Insecticide

Objectives:

To screen new insecticide to control cut worm of potato

Methodology:

The experiment was conducted at TCRC, BARI, Joydebpur, Gazipur during 2010- 2011. Tubers of the potato variety Daimant were used as the planting materials. The experiment was set on 29.11.10 following Randomized Complete Block Design with three replications. The unit plot size was 3 m x 3 m maintaining the spacing 60 cm x 25 cm. Fertilizer were used as per recommended doses. Irrigation was given twice. The insecticides used were Sechlor48 EC 3 ml/ liter of water, SaraphosPlus55EC 2 ml/liter of water, Synergy 505EC 2ml / liter of water, Agroster2.5 EC 1.5 ml/ liter of water, Prefer 55EC 2ml /liter of water, Anirate2.5 EC 1.5 ml /liter of water, Gunfuran5G 18 kg/ha, Nurfuran5G 18 kg/ha, Rajsun10G 8.5 kg/ha, Larvin75WP 2g/ liter of water and Salbo55EC 2 ml/ liter of water. There was an untreated control. The liquid insecticides were first applied at 15 days after germination but the granular ones were applied during sowing time. Another spraying/application was done at 10 days after first application. At harvest, data were collected on the percentages of tuber damage by number and weight and yield of infested and non-infested tubers. Data were analyzed statistically for the mean separation by using LSD.

Source of Information: TCRC Annual Report-2010-11, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 30,000/=

Total Budget (Tk.) : 30,000/=

Achievement/Findings:

The tested insecticides were more or less effective to control the cutworm infestation. However six insecticides such as Sechlor48EC, Sulbo55 EC, Larvin75WP, Nurfuran5G, Prefer 55EC and Aniret 2.5EC performed better and reduced more than 80% tuber damage over control.

Knowledge Management: Report/Proceedings