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Survey, Collection and Isolation of (arbuscular Mycorrhiza) Am Fungi from Rhizosphere Soil of Different Fruit Plants in Bangladesh

Arifunnahar
Scientific Officer
Plant Pathology Division, BARI, Gazipur

T. K. Dey
Chief Scientific Officer
Plant Pathology Division, BARI, Gazipur

Abstract/ Executive Summary:

Rhizosphere soil of different fruit plants from different regions of Bangladesh were collected for counting Arbuscular Mycorrhiza (AM) spore population. The AM spores were isolated by Wet Sieving and 50% Sucrose Centrifugation method and 100 gm soil was used in each treatment. The spore numbers were ranging from 831.25 (Sofeda) to 10831.25 (Litchu) at Gazipur, 1250 (Amra and Satkora) to 7287.5 (Litchu) at Rangpur, 831.25 (Kul) to 3956.25 (Litchu) at Tangail, 1037.5 (Applekul and Taikor) to 4581.25 (Batabilabu) at Jaintapur, Sylhet, 831.25 (Labu sample-4) to 3956(Aam) at Shreemanggal and 0(Kul) to 3125 (Litchu) at RARS, Ishurdi. A considerable variation was observed in different fruit plants at different locations in different times. Variation was also observed in same plant at different locations.

Keywords: Arbuscular Mycorrhizal, Applekul, Taikor

Location: BARI, Gazipur

Start Date:

End Date:

Program Area: Pest Management

Commodity: Fruit, Diseases

Objectives:

To know the status of Arbuscular Mycorrhiza (AM) spores associated with different fruit crops at different location in Bangladesh

Methodology:

Rhizosphere soils were collected from different fruit crops at different locations in Bangladesh for assessment of mycorrhizal association. The locations are Horticultural Research Centre, Gazipur; Agricultural Research Station, Rangpur; Alenga, Tangail; Citrus Research Station, Jaintapur, Sylhet; Shreemanggal and RARS, Ishurdi. The collected soil samples were mixed thoroughly and 100 gm soil samples were taken for isolation AM spores. The Am spores were isolated by the Wet Sieving and 50% Sucrose Centrifugation Method

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

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Abuscular mycorrhizal spores were assessed from rhizosphere soil of different fruit plants. At HRC, Gazipur, the highest number of spores (10831.25/100 gm soil) was obtained from Litchu and the lowest number (831.25/100 gm soil) was recorded from Cheryphal and Sofeda. Fruit plants like Malta, Payara, Kamranga, Litchu and Jamrul, more than 4000 spores/100 gm soli were recorded. During March, 2011, the highest number of spores (7287.5/100 gm soil) was observed from Litchu and the lowest spores (1250/100 gm soil) from Amra and Satkara, but more than 5000 spores/100 gm soil were recorded from Malta, Labu, Sofeda Jamrul and Passionfrui at Rangpur. At Tangail, the highest number of spores (3956.25/100 gm soil) was recorded from Litchu followed by Jamrul and Aam and the lowest number of spores (831.25/100 gm soil) from Kul during April, 2011. During May, 2011, the highest number of spores (5000/100 gm soil) was observed from Batabilabu and the lowest spores (1250/100 gm soil) were recorded from Applekul, Taikor Satkora and Kamranga at Jaintapur, Sylhet. Most of plants like Aam, Litchu, Jamrul, Malta, Kamla and Payara were recorded more than 2000 spore/100 gm soil. At Shreemongal, the highest number of spores (2912.5/100 gm soil) was obtained from Aam and the lowest number of spore (1456.25/100 gm soil) was observed from Labu-4 during May, 2011. At, RARS, Ishurdi, the highest spore population (3125/100 gm soil) was recorded from Litchu. More than 1000 spores/100 gm of soil were obtained from Sofed, Batabilabu and Payara during May, 2011. In case of time and location, the population of spores varied from plant to plant. There were wide variations in shape, size and colour of spores. In case of colour, like deep brown, light brown, radish and black spores were recorded in rhizosphere soil of fruit plants

Knowledge Management: Report/Proceedings