Premium
Occurrence of Cryphonectria canker disease of Eucalyptus in Kerala, India *
Author(s) -
SHARMA J. K.,
MOHANAN C.,
FLORENCE E. J. MARIA.
Publication year - 1985
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1985.tb03116.x
Subject(s) - cryphonectria , canker , biology , eucalyptus , chancre , outbreak , coppicing , chestnut blight , woody plant , horticulture , botany , virology , fungus , biochemistry , syphilis , human immunodeficiency virus (hiv) , virulence , gene
SUMMARY Cryphonectria cubensis , recorded for the first time in India, is responsible for causing severe stem cankers in Eucalyptus grandis in Kerala. Disease outbreaks are localised and vary in severity with host species, at times affecting up to 30% of the trees in a stand. Infection usually occurs on the main stem 1 to 1 ·5 m above ground and occasionally near ground level. There is evidence of tree to tree spread of the disease from the primary infection foci. The disease also affects coppicing by stumps after harvest. Details on the incidence and epidemiology of the disease are presented.