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Abstract

We examined roots of the shallot (Allium cepa L. var. aggregatum), one of the most popular cultivated crops of the family Aliaceae, cultivated under conventional agriculture for arbuscular mycorrhizal fungal (AMF) and dark septate fungal endophyte (DSE) associations. All the plants had dual colonization of both AMF and DSE associations.The intermediate-type AMF morphology in the shallot is the first report of this AMF type for the family Aliaceae. The extents of total AMF and DSE colonization ranged from 20.7 to 67.3% and 3.6 to 35.3% respectively and varied significantly among fields. Though no significant relationship existed between total AMF and DSE variables, they were correlated to the soil variables. Significant correlations existed between soil P and microscelerotia and also between soils N and K and AMF spore numbers. A total of six AMF spore morphotype belonging to Glomus and Scutellospora were identified. Scutellosporacalospora was the most dominant morphotype in the studied fields.

Keywords

Allium arbuscular endophyte mycorrhiza Glomus Scutellospora

Article Details

Author Biography

Thangavelu Muthukumar, Department of Botany, Bharathiar University, Coimbatore 641 046, Tamil Nadu

Assiatant Professor

Department of Botany

Bharathiar University

Coimbatore 641 046

Tamil Nadu

India

How to Cite
Priyadharsini, P., Pandey, R. R., & Muthukumar, T. (2012). Arbuscular mycorrhizal and dark septate fungal associations in shallot (Allium cepa L. var. aggregatum) under conventional agriculture. Acta Botanica Croatica, 71(1). Retrieved from https://www.abc.botanic.hr/index.php/abc/article/view/487

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