Viability of Coffee Leaf Rust (<em>Hemileia vastatrix</em>) Urediniospores Stored at Different Temperatures | OMICS International | Abstract
ISSN: 2155-952X

Journal of Biotechnology & Biomaterials
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Research Article

Viability of Coffee Leaf Rust (Hemileia vastatrix) Urediniospores Stored at Different Temperatures

Deepak K1*, Hanumantha BT1 and Sreenath HL2

1Coffee Research Sub-Station, Chettalli, Kodagu-571248, Karnataka, India

2Plant Biotechnology Division, Coffee Board, Unit of Central Coffee Research Institute (CCRI), Dr. S. Radhakrishnan Road, Manasagangothri, Mysore-570 006, Karnataka, India

Corresponding Author:
Deepak K
Coffee Research Sub-Station, Chettalli
Kodagu-571248, Karnataka, India
E-mail: [email protected]

Received date: June 05, 2011; Accepted date: July 17, 2012; Published date: July 20, 2012

Citation: Deepak K, Hanumantha BT, Sreenath HL (2012) Viability of Coffee Leaf Rust (Hemileia vastatrix) Urediniospores Stored at Different Temperatures. J Biotechnol Biomater 2:143. doi:10.4172/2155-952X.1000143

Copyright: © 2012 Deepak K, 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.


Viability of spores samples of Hemileia vastatrixf, the fungal pathogen causing leaf rust disease in coffee was checked after storing at room temperature, -20°C and -80°C for one year. While the spore samples lost their viability as early as 45 days at room temperature and thus retained viability for about 120 days at -20°C. Spores stored at -80°C retained about 52% viability even at the end of one year. The results clearly indicated that urediniospores of Hemileia vastatrix can be preserved at -80°C for one year and more.