Needle Transmission of a New Maize Virus

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THE rough dwarf disease of maize (“Nanismo Ruvido del Mais”) has been known from Italy since 19491 and has lately been reported from Israel too2. The symptoms of the disease and its epidemiology were described in both countries3,4 with the assumption that the causal agent is a plant virus. Since no experimental transmission of the disease had been accomplished, it was not certain that the agent was a virus. All attempts to transmit the disease by rubbing sap into maize leaf blades, using various abrasives, have failed. Transmission trials with a local dodder species, Cuscuta eigii Sroëlov, also proved negative.

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HARPAZ, I. Needle Transmission of a New Maize Virus. Nature 184, BA77–BA78 (1959) doi:10.1038/184077a0b

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