alexa Effect of Drechslera bicolor Infection on Physiology of Bell Pepper
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Research Article

Effect of Drechslera bicolor Infection on Physiology of Bell Pepper

Kuldeep Singh Jadon* and Rakesh Shah

Department of Plant Pathology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur (Rajasthan)- 313 001, India

*Corresponding Author:
Kuldeep Singh Jadon
Department of Plant Pathology
Rajasthan College of Agriculture
Maharana Pratap University of Agriculture and Technology
Directorate of Groundnut Research
Junagadh – 362 001, Gujarat, India
E-mail: [email protected]

Received date: July 11, 2012; Accepted date: July 30, 2012; Published date: August 07, 2012

Citation: Jadon KS, Shah R (2012) Effect of Drechslera bicolor Infection on Physiology of Bell Pepper. J Plant Pathol Microb 3:126. doi:10.4172/2157-7471.1000126

Copyright: © 2012 Jadon KS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



A study using susceptible cultivar (cv Bombay red) to D. bicolor grown under inoculated (infected) and noninoculated (healthy) conditions in the field at Department of Plant Pathology (R. C. A.), Udaipur. Data were recorded on different physiological parameters i.e. chlorophyll ‘a’, total chlorophyll, carotenoids content, chlorophyll stability index, photoactive radiation, leaf temperature, leaf area index and photosynthesis decreased in the infected plant compare to healthy plant while chlorophyll ‘b’, membrane permeability, transpiration rate, cuvette temperature, stomatal conductance, internal CO2 concentration, relative humidity and vapour pressure deficit increased in the infected plant compare to healthy plant. In addition, total sugar, mineral status, water status were also decreased in the infected plants compare to healthy plants. However, the superoxide dismutase enzyme activity was very high in healthy plants compared to infected plants. These results indicated that the maintenance of physiological function during leaf blight infection could result in improved bell pepper yields under diseased conditions.


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