2. Institutional Publications

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Author: search.filters.author.Samraj, J

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    Studies on the seasonal and diurnal periodicity of Pyricularia oryzae cav. Codidia in the air over rice crop
    (Kerala Agricultural University, 1975) Bhavani Devi, S; Balagopal, C; Samraj, J
    Air spore over rice crop was studied during three seasons using Hirst's spore trap, A definite pattern of seasonal and diurnal periodicity of occurrence was noted in the case of Pyricularia oryzae. The conidia load of Pyricularia oryzae was highest during November and December while it was comparatively lower during other months. Conidia of Pyricularia orysae showed a night maxima throughout the period of study, the highest load occurring arround 01.00 to 05.00 hours.
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    Deterioration of copra by fungi
    (Kerala Agricultural University, 1980) Unnikrishnan Nair, P K; Samraj, J; Wilson, K I
    Fungi Aspergiltus niger, Aspergiltus sp., Penicillum sp., Rhizopus, sp., Diplodia sp. and Trichoderma sp. were isolated from copra samples. These fungi grew on copra and caused reduction in oil content under artificial inoculation Except Rhizopus sp. all the organisms grew well in Richard's solution containing coconut oil as carbon source. Trichoderma sp. has not been reported on copra so far.