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  1. Kerala Agricultural University Digital Library
  2. 2. Institutional Publications
  3. Reprints
a
Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/4534
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dc.contributor.authorJoseph, P J-
dc.contributor.authorRamanatha Menon, M-
dc.date.accessioned2019-04-08T10:52:33Z-
dc.date.available2019-04-08T10:52:33Z-
dc.date.issued1978-
dc.identifier.citationAgricultural Research Journal of Kerala, 16(2), 148-154.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/4534-
dc.description.abstractThe symptom of snake gourd mosaic disease manifested as mosaic pattern with dark green raised blisters on the leaf lamina. The size of leaves severely reduced ; internodes shortened and the growth of the plant is retarded. The infected plants blossom sparingly and set few fruits. The virus is sap and insect transmissible; both Aphis gossypii and A cracdvora transmitted the virus. Studies on the vector-virus relationships with A. cracdvora showed that the vector could acquire the virus with 5 minutes acquisiton feeding and transmit it with 5 minutes feeding on a healthy test plant. A minimum of 5 aphids are required for transmission and pre-acquisition starvation increased the efficiency whereas pre-infection starvation beyond 30 minutes ^uucod it. The vector could met retain the virus for long periods and the relationship was of non-persistent nature. The physical properties of the virus are: T.!. P. of 70 -75°C, D.E.P. ,of 1 '.5000-1 :1 0000, longevity in vitro of 72-96 hours at room temperature and 144—168 hours at "lOt). Eight species of plants in 3 families ^c susceptible to infection by the virus. Based on the above characteristics, the virus causing mosaic disease of snake gourd in Kerala is identified as a strain of ucumis virus 1 .en_US
dc.language.isoenen_US
dc.publisherKerala Agricultural Universityen_US
dc.subjectSnake gourden_US
dc.subjectsnake gourd-mosaic diseaseen_US
dc.subjectsnake gourd mosaic virus-physical propertiesen_US
dc.titleStudies on the mosaic disease of snake gourd (Trichosanthes Anguina L.)en_US
dc.typeArticleen_US
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