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Field Screening of Mungbean × Mashbean Inter-Specific Recombinant Genotypes Against Yellow Mosaic Disease (YMD)

Field Screening of Mungbean × Mashbean Inter-Specific Recombinant Genotypes Against Yellow Mosaic Disease (YMD)

Ghulam Abbas1, Khalid Pervez Akhtar1, Muhammad Ahsan2, Muhammad Jawad Asghar1, Fiaz Ahmad1 and Muhammad Rizwan3* 

1Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan; 2Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan; 3Nuclear Institute of Agriculture, Tandojam, Pakistan. 


Yellow mosaic disease (YMD) caused by mungbean yellow mosaic India virus (MYMIV) is an important constraint of mungbean during the summer season in Pakistan. The use of resistant varieties is the only way to reduce the losses caused by YMD. Resistant sources had already been reported in mungbean, but no such information seems to be available for mung × mash interspecific recombinants. In this study, 72 mung × mash interspecific recombinant genotypes and a susceptible mungbean variety Mung Kabuli were screened against Yellow Mosaic Disease (YMD) using disease severity ratings by visual scoring of symptoms to calculate percent disease index (PDI). Tested recombinants responded differently to the disease. None of the tested genotypes was found to be disease free (field immune). However, combined data showed that 43 genotypes were highly resistant with 1.18 to 10 PDI while 29 were resistant with 10.24 to 24.85 PDI. Mung Kabuli (positive control) showed susceptible response with PDI value of 60 %. Thus 43 highly resistant genotypes proved to be a good source of resistance to YMD despite high disease pressure and can, therefore, be used directly as varieties to manage the disease after evaluation for acceptable agronomic characteristics, adaptation, and stability in various regions or can be used as a resistant source in further breeding programs 


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Pakistan Journal of Agricultural Research


Vol. 34, Iss. 2, Pages 254-493


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