Influence of different levels of waxy bloom intensity on gray mold disease severity in castor


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Influence of different levels of waxy bloom intensity on gray mold disease severity in castor

Authors

  • P AYESHA PARVEEN ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • R D PRASAD ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • S SENTHILVEL ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • J V RAMANA ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • V DINESH KUMAR ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana
  • M LAL AHMED ICAR-Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad-500 030, Telangana

https://doi.org/10.56739/jor.v37iSpecialissue.139195

Keywords:

Wax layer, Cuticle, Protection against pathogens, Qualitative differences

Abstract

It is assumed that the presence of wax on castor predispose the crop to gray mold infection in contrary to other plant-pathogen systems, where wax acts as a protective barrier. However, there is no scientific evidence to implicate it in aiding disease development, field observations and screening of 26 genotypes with different wax levels under controlled conditions in glass house and poly house showed that genotypes with high wax intensities showed higher disease severity (~60-80%) compared to low or no wax genotypes (~1-15%) indicating the role of wax in susceptibility of castor to gray mold.

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References

Goodwin S M, Christopher J E and Matthew A J 2007. Leaf Cutin monomers, cuticular waxes and black spot resistance in rose. Hortscience, 42(7):1631–1635.

Podila K P, Linda M R and Pappachan E K 1993. Chemical signals from avocado surface wax trigger germination and appressorium formation in Colletotrichum gloeosporioides. Plant Physiology, 103:267-272.

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Submitted

2023-07-13

Published

2020-03-12

Issue

Vol. 37 No. Specialissue (2020): Journal of Oilseeds Research

Section

Articles

License

The Journal of Oilseeds Research reserves all the copy rights of the published articles and prior permission is to be taken from the journal office if any part of the published articles is to be reproduced in any form in any other publication.

How to Cite

P AYESHA PARVEEN, R D PRASAD, S SENTHILVEL, J V RAMANA, V DINESH KUMAR, & M LAL AHMED. (2020). Influence of different levels of waxy bloom intensity on gray mold disease severity in castor: Influence of different levels of waxy bloom intensity on gray mold disease severity in castor. Journal of Oilseeds Research, 37(Specialissue). https://doi.org/10.56739/jor.v37iSpecialissue.139195