Screening resistance of Dalbergia sissoo clones against Ganoderma lucidum root rot disease in field conditions

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Abstract:

Summary

Ganoderma lucidum is a serious root rot pathogen of trees and is known to cause large scale mortality in Dalbergia sissoo. Clones prepared from selected plus trees of D. sissoo have been established in a clonal seed orchard and a seed production area in northern India where 5-year-old plants of various clones were attacked by G. lucidum to varying degrees. Regular assessment was carried out for further 5 years to screen disease progress in the field and to identify clones of greater and lesser resistance. Data for height, clear bole and girth were collected to select trees with better growth form and disease resistance. Five highly resistant and five susceptible clones were categorized on the basis of total score for growth form characters and disease development.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1439-0329.2010.00685.x

Affiliations: Forest Pathology Division, Forest Research Institute, P.O. New Forest, Dehradun – 248006, India

Publication date: June 1, 2011

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