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Incidence of Post-harvest Fungal Diseases of Ripe Papaya in Mymensingh

I. Hamim
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. Ashrafuzzaman
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. Ali
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. Z. Alam
Department of Plant Pathology, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

A survey was conducted during November, 2012 to May, 2013 to assess the status of major post harvest diseases of papaya fruits in the local markets of Mymensingh. Average percentage of diseased fruits at the markets were 29.83 and diseased fruits ranged from 20.40% to 38.04% during the study period. Highest percentage of diseased fruits (38.04%) was recorded in the month of May, 2013 followed by March, 2013 (37.98%). The minimum percentage of diseased fruits (20.40%) was recorded in January, 2013 followed by December (22.68%). Total six post-harvest diseases was recorded, viz. Anthracnose, Fusarium rot, Stem end rot, Rhizopus rot, Aspergillus rot and Penicillium rot. Anthracnose showed highest mean incidence (14.17 %) followed by Fusarium rot (7.26%) where as Pencillium rot showed lowest mean incidence (0.70%). In the market, anthracnose showed maximum percentage of mean disease abundance (46.11%) followed by Fusarium rot (24.61%). The findings of this study revealed that total six post-harvest diseases are associated with ripe papaya in different markets of Mymensingh. Moreover, May is the predominant month of highest incidence and abundance of all diseases.

Keywords: Post-harvest, Diseases, Ppapaya, Disease incidence, Disease abundance

Location: Mymensingh

Start Date: 00-11-2012

End Date: 00-05-2013

Program Area: Pest Management

Commodity: Papaya

Objectives:

(i) To know the present status of post-harvest diseases of ripe papaya in Mymensingh district
(ii) To see the incidence and abundance of post-harvest diseases of ripe papaya.

Methodology:

Survey on the post- harvest diseases of papaya was done in the different fruit markets of Mymensingh town during the period of November, 2012 to May, 2013. Four fruit markets, namely Natun bazaar, Shadeshi bazaar, Mesua bazaar and Sankipara bazar of Mymensingh were selected for survey. Four shops were taken randomely from each market. Each of the selected areas was surveyed four times in each month. All varieties of ripe papaya available in the market were considered for disease survey. Diseases were identified by observing different symptoms of post-harvest fungal diseases of papaya. These symptoms were spot, fruit rot, necrosis, water soaked lesion, corky lesion etc. Diseased fruit samples were collected in polyethylene bags for further symptomatological studies and confirmation of the respective diseases. Beside these, total number of fruits, number of diseased fruits, types and number of disease symptoms shown on fruit surface were taken into consideration.

Source of Information: J. Bangladesh Agril. Univ. 12(1): 25–28, 2014 ISSN 1810-3030

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The minimum percentage of diseased fruits (20.40%) was recorded in January, 2013 followed by December (22.68%). Total six post-harvest diseases was recorded, viz. Anthracnose, Fusarium rot, Stem end rot, Rhizopus rot, Aspergillus rot and Penicillium rot. Anthracnose showed highest mean incidence (14.17 %) followed by Fusarium rot (7.26%) where as Pencillium rot showed lowest mean incidence (0.70%). In the market, anthracnose showed maximum percentage of mean disease abundance (46.11%) followed by Fusarium rot (24.61%). The findings of this study revealed that total six post-harvest diseases are associated with ripe papaya in different markets of Mymensingh.

Knowledge Management: Journal