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Some factors affecting the transmission of pea enation mosaic virus by the pea aphid, acyrthosiphon pisum (harris), with emphasis on the inoculation phase of the transmission cycle

Some factors affecting the transmission of pea enation mosaic virus by the pea aphid, acyrthosiphon pisum (harris), with emphasis on the inoculation phase of the transmission cycle

Tsai, James Hsi-cho

Text (1969)

Part of Electronic Theses & Dissertations