Distribution and factors influencing chenthal disease of cardamom
Loading...
Date
2007-02-08
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
'Chenthal' is a newly reported disease of cardamom caused by Corynebacterium sp. The symptoms of the disease are delineated. Water-soaked lesions appeared on the abaxial surface of the young leaves turn brown to dark in colour and the leaves wither. As withering of the leaves progresses the plants wilt. Affected gardens present a burnt appearance. Report on a comprehensive survey of Chenthal disease reveals that the entire cardamom belt of Kerala is affected and the disease has extended to patches of Tamil Nadu and Karnataka States too. It is noteworthy that pockets of healthy plantation exist within the foci of severe infestation. Occurrence of healthy plantation cut away from the main belt of cardamom growing areas is also observed. Analysis of the survey data reveals a highly significant correlation between manuring and incidence of the disease. Significant correlation is found between shade and intensity of the disease also. Based on these points, the probable chances of arresting the disease by ecological manipulation and suitable management practices is discused. An explanation to the severity of Chenthal disease in red gum tree shade is also attempted.
Description
Keywords
Citation
In: Proceedings, PLACROSYM II, UPASI, Ootacamund,26-29 Jun. 1979. Edited by C. S. Venkataram and others 1980 p-343-347