Inoculant rhizobia suppressed root-knot disease, and enhanced plant productivity and nutrient uptake of some field-grown food legumes

Khan, M.R. and Mohiddin, F.A. and Ahamad, F. (2018) Inoculant rhizobia suppressed root-knot disease, and enhanced plant productivity and nutrient uptake of some field-grown food legumes. Acta Agriculturae Scandinavica Section B: Soil and Plant Science, 68 (2). pp. 166-174. ISSN 9064710

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0906471...

Abstract

The potential effect of rhizobial inoculation on root knot nematodes in chickpea, mungbean and pigeonpea were studied under field condition. The seed treatment with respective rhizobium strains increased the nodulation, leghemoglobin content, bacteriod population, plant growth, yield and nitrogen uptake of three three food legumes compared to the plants without the rhizobium treatment. The nematode (1500 juveniles/kg soil) incited oval galls on the roots of the three legumes, and suppressed plant growth and yield. The galling, egg mass production and soil population of the nematode was greater on the plants without the rhizobium treatment. The pure culture and culture filtrate of the rhizobium strains suppressed the egg hatching and induced mortality to the juveniles of M. incognita over control. The nematode infection reduced the nodulation, bacteroid population and leghemoglobin contents of the nodules and NPK uptake by the plants. Hence, the rhizobia treatment shall be integrated to common agronomic practice of food legume cultivation so as to enhance crop productivity and to protect roots from nematode attack.

Item Type: Article
Uncontrolled Keywords: bacteriod population; leghemoglobin; Meloidogyne incognita; NPK uptake; Pulses
Divisions: Faculties > Faculty of Agricultural Sciences > Department of Plant Protection
Depositing User: AMU Library
Date Deposited: 19 Jan 2018 05:49
Last Modified: 19 Jan 2018 05:49
URI: http://ir.amu.ac.in/id/eprint/10835

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