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Determinations of Pest Status of Stem Fly, Thrips and Pod Borer in Mungbean

Md. Akhtaruzzaman Sarkar
Scientific Officer
Entomology Division, BARI, Gazipur

S. N. Alam
Principal Scientific Officer
Entomology Division, BARI, Gazipur

Md. Yousuf Mian
Chief Scientific Officer
Entomology Division, BARI, Gazipur

Abstract/ Executive Summary:

Pest status of stem fly, thrips, pod borer and also some other pests like aphid, hairy caterpillar of mungbean was determined at the experimental field of Entomology Division, BARI, Gazipur during Kharif-I cropping season. Among the pest the stem fly infestation is higher during the 20 days after sowing. During 50% flowering stage the number of thrips in each flower was highest. Mean pod damage percentage was 9.87. Other pests like hairy caterpillar and aphids were also observed.

Keywords: Pest status, stem fly, thrips, pod borer, Mungbean

Location: Gazipur

Start Date: 22-02-2007

End Date: 15-05-2007

Program Area: Pest Management

Commodity: Insects

Objectives:

To determine the status of stem fly, thrips and pod borer infestation level on mungbean.

Methodology:

The experiment was conducted at the experimental field of Entomology Division, BARI, Joydebpur, Gazipur during Kharif-I, 2007. Data on stem fly, thrips, pod borer and other insects like hairy caterpillar, aphid infestation were recorded. For stem fly, data were taken at three stages viz. 20 days after sowing (DAS), 27 DAS and 34 DAS. Healthy and stem fly infested plants were counted in 1 m² area. Infested plant were uprooted and checked and also measured the stem tunneling. Finally data were converted in percentage. For thrips, 20 flowers were collected randomly and opened in white paper and counted the number of thrips. In pod borer infestation, 10 randomly plants were selected and counted the number of healthy and pod borer infested pods. All the data were collected in five observations and replicated three times.

Source of Information: Annual Report 2006-2007, Entomology Division, BARI , Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 40,000.00

Total Budget (Tk.) : 40,000.00

Achievement/Findings:

Among the pest the stem fly infestation is higher during the 20 days after sowing. During 50% flowering stage the number of thrips in each flower was highest. Mean pod damage percentage was 9.87. Other pests like hairy caterpillar and aphids were also observed in mungbean

Knowledge Management: Report/Proceedings