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Survey and Identification of Different Diseases of Jujube at Pabna Region

M. R. Humauan
Scientific Officer
RARS, Ishurdi, Pabna

K. M. Khalequzzaman
Senior Scientific Officer
RARS, Ishurdi, Pabna

B. Akhter
Scientific Officer
RARS, Ishurdi, Pabna

Abstract/ Executive Summary:

A survey was carried out at framer’s field of different locations of Pabna region during 2010-11 to identify new diseases as well as existing diseases of ber and isolation of pathogens. Ten different ber gardens were surveyed. All gardens were infected with different diseases. The LAD of black leaf spot ranged from 2.33-48.33%. Incidence of black spot infected fruit ranged from 4.00-35.00%. Fruit area disease of black spot ranged from 2.33-16.67%. One fungal pathogen namely Pestalotia sp. and two unidentified fungus were isolated from infected parts of jujube.

Keywords: Jujube, Pestalotia, leaf spot

Location: RARS, Ishurdi, Pabna

Start Date:

End Date:

Program Area: Pest Management

Commodity: Jujube

Objectives:

To survey, identify and isolate of different diseases of ber at Pabna region

Methodology:

A survey was carried out at framer’s field of different locations of Pabna region during 2010-11. Ten ber garden was selected from Boroichara, Shahapur, Laxikunda, Pakuria , charruppur and Burampur villages at Ishurdi Upazilla of Pabna. 2-3 Year’s old jujube garden was selected. The survey experiment was carried out following Randomized Complete Block Design with three replications. The test variety of ber was BAU Kul. The major diseases data were recorded from selected ber garden. Fungal pathogens were isolated from infected pant parts of ber were used in this study. Fungi were grown on potato dextrose agar and incubated at 23?c ± 2 in incubator for 7 days. Fungi were identified with compound microscope. Data were recorded on LAD of black leaf spot, incidence of black spot of fruit, fruit area disease of black spot. The recorded data were analyzed statistically to find out the level of significance and the variations among the respective data were compared following Duncan’s New Multiple Range Test (DMRT).

Source of Information: Annual Report, Plant Pathology Division 2010-11

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

All gardens were infected with different diseases .The LAD of black leaf spot ranged from 2.33-48.33 % where as the highest was recorded in ber garden of Md. Yakub Ali, Boroichara, Ishurdi, Pabna and lowest was ber garden of Md. Mayaj Uddin (garden 1), Shahapur,Ishurdi, Pabna. The highest incidence of black spot infected fruit (35.00%) was recorded in ber garden of Md. Alam Hossain, Boroichara, Ishurdi, Pabna and lowest were in Md. Mayaj Uddin (garden 1), Shahapur, Ishurdi, Pabna. Fruit area disease of black spot ranged from 2.33-16.67 % where highest was in ber garden of Md. Alam Hossain, Boroichara, Ishurdi, Pabna and lowest was in Md. Mayaj Uddin (gaden 2) Shahapur Ishurdi, Pabna. One fungal pathogen namely Pestalotia sp was isolated and identified from black leaf spot of jujube. Two fungi isolated from black spot of ber not identified

Knowledge Management: Report/Proceedings