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Prevalence and Control of Seed Mycoflora of Brinjal (solanum Melongena)

Amin U. Mridha
Department of Botany, University of Chittagong, Chittagong, Bangladesh.

Maherunnessa Begum
Department of Botany, University of Chittagong, Chittagong, Bangladesh.

Abstract/ Executive Summary:

Eight fungi were detected in the brinjal seeds collected in Oot.-Nov, 1913 from different nurseries of Chittagong. The fungi were-Alternaria sp, Aspergillus niger, A. ochraceous, Aspergillus sp., Chaetomium sp, Curvalaria sp, Fusarium sp, and Penicillium sp, of the five test fungicides, vitavax-200 and Brassicol controlled completely the seed-borne infection of Alternaria sp. Curvularia sp- and Fusarium sp. Captan gave complete control of Curvularia sp. and Fusarium sp. and Granosan-M eliminated Alternaria sp. and Curvularia sp. totally; while complete control of only Alternaria sp. was achieved by Benlate.

Keywords: Brinjal, Seed Mycoflora, Fungicide

Location: Different nurseries of Chittagong

Start Date: 00-10-1978

End Date: 00-11-1978

Program Area: Pest Management

Commodity: Brinjal

Objectives:

The study was undertaken to find out the status of fungi associated with brinjal seeds.

Methodology:

Thirty five seed samples of different varieties brinjal collected from different nurseries of Chittagong during Oct-Nov 1978, were analysed by the standard blotter method ( ISTA. 1966 ) with little modification. The major modification of the ISTA method was the use of flourescent tube light during night and diffused day light instead of Near Ultra-vioIet (NUV) light. Three seed samples having relatively high natural infestation of Alternaria sp. Curvularia sp. and Fusarium sp. were treated with five fungicides; Benlate, Brassicol, Captain, Granosan-M and Vitavax 200 to determine the efficacy of the funicides against the selected fungi. Fungicides were used at the rate of 0.30 percent of the seed weight. Requisite amount of seeds and fungicides were taken in a conical flask and they were shaken mechanically for 20 minutes for proper coating of the fungicides over the seeds. Associated seed fungi were then detected by the blotter method.

Source of Information: Bangladesh Horticulture, Vol-12 (2),Pag:53-55, 1984

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Captan gave complete control of Curvularia sp. and Fusarium sp. and Granosan-M eliminated Alternaria sp. and Curvularia sp. totally; while complete control of only Alternaria sp. was achieved by Benlate.

Knowledge Management: Journal