Screening of moth bean (Vigna aconitifolia) core collection against yellow mosaic virus

R R MEGHWAL; UMA JOSHI; SUSHIL KUMAR; R SHARMA

doi:10.56093/ijas.v85i4.47948

Authors

R R MEGHWAL Senior Research Fellow, Plant Biotechnology Centre, S K Rajasthan Agricultural University, Bikaner 334 006
UMA JOSHI Senior Research Fellow, Plant Biotechnology Centre, S K Rajasthan Agricultural University, Bikaner 334 006
SUSHIL KUMAR Assistant Professor, Department of Agricultural Biotechnology, Anand Agricultural University, Anand, Gujarat 388 110
R SHARMA Principal Scientist, Division of Plant Improvement, Propagation and Pest Management, Central Arid Zone Research Institute (CAZRI), Jodhpur 342 003

https://doi.org/10.56093/ijas.v85i4.47948

Keywords:

Core collection, Legume, Moth bean, Yellow mosaic virus

Abstract

A core collection of moth bean [Vigna aconitifolia (Jacq) Marechal] germplasm, consisting of 204 lines identified in NAIP project was evaluated for mung bean yellow mosaic virus (MYMV) resistance; most of the lines were totally destroyed by yellow mosaic virus. Out of 204 accessions, 13 exhibited resistance/tolerance to disease in terms of intensity or level of symptoms appearing on individual plants. The susceptible lines could not bear flowers while resistant plants produced reasonable yield. The response of germplasm to MYMV exposed a distinct variation to the disease reaction. No genetic association between qualitative traits (seed color, leaf shape and plant type) and resistance/susceptibility to MYMV was observed in the present study. However, seed yield was significantly reduced with increased disease intensity.

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