Effect of climatic factors on Phytophthora leaf infection in black pepper grown in arecanut-black pepper mixed cropping system

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dc.contributor.authorRamachandran, N.
dc.contributor.authorSarma, Y.R.
dc.contributor.authorAnandaraj, M.
dc.contributor.authorJose Abraham
dc.date.accessioned2014-06-11T05:16:43Z
dc.date.available2014-06-11T05:16:43Z
dc.date.issued2007-02-08
dc.description.abstractEffect of climatic factors on the occurrence of foliar infection in black pepper caused by Phytophthora palmivora MF4 was studied during the years 1984-86 in arecanut-black pepper mixed cropping system. The correlation studies between the disease recorded at weekly intervals and the meteorological factors prevailing during the preceding seven days showed a positive correlation between the rainfall, number of rainy days and relative humidity whereas temperature and sunshine hours had a negative correlation. Average climatic factors worked out during increasing and decreasing phases of the disease showed that factors such as low temperature (22.7-29.6°C), shorter duration of sunshine (2.8-3.5 h/day) high rainfall (15.8-23.Omm/day) and high relative humidity (81-99%) contributed to the increase n disease.en_US
dc.identifier.citationJ.Plantn.Crops 1988 v-16 i-2 p-110-118en_US
dc.identifier.urihttp://hdl.handle.net/123456789/2688
dc.language.isoenen_US
dc.titleEffect of climatic factors on Phytophthora leaf infection in black pepper grown in arecanut-black pepper mixed cropping systemen_US
dc.typeArticleen_US

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