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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A set of forty nine abiotic stress tolerant rhizobia of pigeon pea plant were isolated from four districts of Haryana, India to study plant growth promoting attributes. It was observed that Indole-3-acetic acid (IAA) production was low and varied from 0.16 μg ml-1 to 9.50 μg ml-1. However, only 35% rhizobial isolates were siderophore producer. Interesting results were obtained as 96% of rhizobial isolates form significant zone of P-solubilization on Pikovskaya’s medium and their P-solubilization index (P-SI) varied from 1.2 to 3.7. Among the forty nine rhizobial isolates, 49% of the isolates showed growth on 1-aminocyclopropane-1-carboxylate (ACC) supplemented plates while most of the isolates showed growth on ammonium sulphate plates. Rhizobium with the plant growth promoting (PGP) attributes have potential for increased tolerance to high salt, water potential, pH and temperature stresses, therefore could enhance production of food and forage legumes in semiarid and arid regions of the world.
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