Effect of ergosterol and arecanut husk extracts on Phytophthora arecae, the causal organism of Koleroga of Arecanut

Ragi Jadimurthy, and Marathe, Gopal K. and Devaki, N. S. (2014) Effect of ergosterol and arecanut husk extracts on Phytophthora arecae, the causal organism of Koleroga of Arecanut. Acta Biologica Indica, 3 (1). pp. 617-619. ISSN 2279-0160

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Abstract

Phytophthora arecae an oomycetes fungus causes a devastating disease known as Koleroga of arecanut. This fungus reproduces asexually by producing sporangia. Koleroga disease spreads in the plantation through zoospores released from sporangia. Hence understanding the requirements for growth and sporulation becomes important for developing better control measures. With this background, few nutritional supplements were used to study the growth and sporulation of this fungal pathogen isolated from Koleroga affected arecanut. V8 agar, a recommended growth medium used in the present investigation is supplemented with areca nut husk extracts (both ripened and unripened) and ergosterol separately. Enhancement of growth was observed in V8 juice medium supplemented with both ergosterol and arecanut husk extracts. Sporangia formation was observed in the presence of ergosterol.

Item Type: Article
Subjects: Agriculture Biological Sciences > Biochemistry
University of Mysore > PG Campuses > Manasagangotri, Mysore > Agriculture Biological Sciences > Biochemistry

Agriculture Biological Sciences > Biology
University of Mysore > PG Campuses > Manasagangotri, Mysore > Agriculture Biological Sciences > Biology
Divisions: PG Campuses > Manasagangotri, Mysore > Biochemistry
Constituent Colleges > Yuvaraja's College Mysore > Biology
Depositing User: Praveen Kumari B.L
Date Deposited: 04 Apr 2015 11:33
Last Modified: 28 Jan 2016 06:04
URI: http://eprints.uni-mysore.ac.in/id/eprint/17652

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