CERTAIN PHYSIOLOGICAL CHANGES IN GREENGRAM PLANTS INFECTED BY MUNGBEAN YELLOW MOSAIC VIRUS

R. CHANDRA BABU; R. RATHINASWAMY; P. S. SRINIVASAN; N. NATARAJARATNAM and S. R. SREERANGASWAMY

doi:https://doi.org/10.29321/MAJ.10.A02554

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CERTAIN PHYSIOLOGICAL CHANGES IN GREENGRAM PLANTS INFECTED BY MUNGBEAN YELLOW MOSAIC VIRUS

Author: R. CHANDRA BABU, R. RATHINASWAMY, P. S. SRINIVASAN, N. NATARAJARATNAM and S. R. SREERANGASWAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 71, Issue: dec-dec,

DOI:https://doi.org/10.29321/MAJ.10.A02554

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Abstract

Infection of groengram plants by mungbean yellow mosaic virus (MYMV) caused significant reduction in number of pads per plant, seed yield and 100-seed weight. When healthy and infected leaves were compared a reduction in the contents of chlo- rophyll and functional chloroplast cells was evident in infected leaves. Soluble N and reducing sugars accumulated to a greater extent in infected then in healthy leaves. Photosynthetic rate was reduced in infected leaves in comparison with healthy ones.

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