Madras Agricultural Journal
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Research Article | Open Access | Peer Review

Grape Downy Mildew in India:effect of Infection on Plant Plant Pigments

K.Srinivasan R.Jeyarajan
Volume : 62
Issue: May-may
Pages: 278 - 281
DOI: https://doi.org/10.29321/MAJ.10.003075
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Abstract

In grape leaves of five different colours infected by downy mildew.the contents of total chlorophyll and anthocyanin were reduced.On the other hand.the contents of carotene and xanthophyll increased in infected leaves.An enhanced activity of chlorophyllase was noticed in infected leaves of all ages and grades of infection.

DOI
https://doi.org/10.29321/MAJ.10.003075
Pages
278 - 281
Creative Commons
Copyright
© The Author(s), 2026. Published by Madras Agricultural Students' Union in Madras Agricultural Journal (MAJ). This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the original work is properly cited by the user.

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