Epidemiological studies of rotting and immature nutfall of eriophyid mite infested coconut caused by Lasiodiplodia theobromae

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dc.contributor.authorVenugopal, S.
dc.contributor.authorChandra Mohanan, R.
dc.date.accessioned2014-06-13T10:41:46Z
dc.date.available2014-06-13T10:41:46Z
dc.date.issued2010
dc.description.abstractThe intensity of rotting and immature nutfall of coconut caused by Lasiodiplodia theobromae was recorded from a 20-year-old coconut garden in Kerala State, India during June, 2003 to May 2005 and correlated with climate factors. A significant correlation coefficient was obtained between disease incidence and relative humidity and minimum temperature. There was a positive correlation between disease incidence and rainfall and number of rainy days. Rotting of criophyid mite (Aceria guerreronis) infested coconuts caused by L. theobromae increased with increase in rain. The percentage of disease incidence was high during south-west monsoon period (April-October) in both the years whereas, it was comparatively low during post-monsoon period. During post­monsoon period the incidence of mite infestation was also the lowest. In both the years, the intensity of L. theobromae infection of coconuts increased with rainfall (April onwards), attained peak during July to October and gradually decreased as the temperature rose from November. Identification of critical period of rotting and immature nutfall of coconut will be helpful in formulating proper disease management strategies.en_US
dc.identifier.citationJournal of Plantation Crops, 2010, 38 (I): 1-6en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2899
dc.language.isoenen_US
dc.subjectAceria guerreronis Keiferen_US
dc.subjectCocos nucifera L.en_US
dc.subjectdisease inoidenceen_US
dc.subjectepidemiologyen_US
dc.subjectLasiodiplodia theobromae Pat.en_US
dc.titleEpidemiological studies of rotting and immature nutfall of eriophyid mite infested coconut caused by Lasiodiplodia theobromaeen_US
dc.typeArticleen_US

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