Genetic Variability In Green Gram [Vigna Radiata (L.) Wilczek]  Regarding Response To Rhizobium Sp. And Piriformospora Indica  Inoculations

Devesh Jangra; R  Yadav; S S Dudeja

doi:10.48165/

Authors

Devesh Jangra Pulses Section, Department of Genetics and Plant Breeding, CCS Haryana Agricultural University, Hisar - 125 004, Haryana (India)
R Yadav Pulses Section, Department of Genetics and Plant Breeding, CCS Haryana Agricultural University, Hisar - 125 004, Haryana (India)
S S Dudeja Pulses Section, Department of Genetics and Plant Breeding, CCS Haryana Agricultural University, Hisar - 125 004, Haryana (India)

DOI:

https://doi.org/10.48165/

Keywords:

Green gram, nodulation, Piriformospora indica, Rhizobium, seed yield

Abstract

A study was conducted to assess genotypic variations in 10 green gram genotypes for root nodulation, root infection to Piriformospora indica, seed yield and N and P uptake. Rhizobium sp. strain-MB-703, P. indica and their combination were inoculated to green gram seeds. Significant genotypic differences observed for all the characters studied indicated the presence of considerable variability. All themicrobial treatments and genotype x microbial interaction differed significantly implying that the genotypes interacted differently with different microbial treatments. The traits affected by Rhizobium inoculation in most genotypes were nodules (number and dry weight), N content in seeds and seed yield. Rhizobium inoculation increased seed yield by 3.7-13.9% in genotypes MH-421, MH-810, MH-805, MH-560, MH-721 and MH-318. P. indica infection in roots was >50% in 8 genotypes and it caused increase in seed yield (3.7-6.3%) only in 5 genotypes viz., MH-560, Sattya, Basanti, MH 721 and MH-810. Dual inoculation caused 4.6-11.7% increase in seed yield in genotypes MH-421, Sattya, MH-810, MH-805, MH-318 and MH

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