ARBUSCULAR MYCORRHIZAL DIVERSITY AND ASSOCIATIONS IN THE CROP FIELDS OF KASHMIRZ.A. Baba, Malik Asif, T. A. Sheikh, Burhan Hamid, Tabinda Sehar Basharat Hamid and Sana Khan
The study was conducted during the years 2012-15 with the objective to evaluate and estimate the presence of arbuscular mycorrhizal population and root colonization in different crop growing soils in Kashmir valley. Rhizosphere soil samples and root cuttings were collected from the various crop fields in three Baramulla, Bandipora and Kupwara districts. Arbuscular mycorrhizal spores were isolated and root colonization was also studied. Organic matter content of the soil samples was also determined. In district Baramulla vegetable fields in Binner location possessed significantly higher OC (1.36%) and root colonization (86 %) while as two locations Binner and Kunzer has higher spore population (2.0 g--1 soil). Similarly in district Bandipora maize growing soils of Gurez, apple growing soils at Garoora and Pazalpora showed significantly higher OC (2.34%), spore count (1.9 g--1 soil) and root colonization (78%) respectively. Maize growing soils at Baderhar location in district Kupwara showed significantly higher OC (1.82%), spore count (1.92 g--1 soil) and root colonization (77%). A total of four arbuscular mycorrhizal genera namely Glomus, Scutellospora, Gigaspora, Acaulospora were identified from all the sites. Some identified genera have been found at majority of the sites.
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