Abstract
THE vector of aster-yellows, Macrosteles divisus Uhler, may acquire the virus through feeding1 or by injection2. An incubation period of several days must elapse between the time when the insect first acquires virus and the time when it becomes permanently infective, as manifested by the transmission of virus through feeding on healthy susceptible plants. Infective insects retain virus as long as they live. Considerable evidence that aster-yellows virus multiplies in its insect vector has accumulated3–6.
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References
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MARAMOROSCH, K. Multiplication of Aster-Yellows Virus in its Vector. Nature 169, 194–195 (1952). https://doi.org/10.1038/169194a0
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DOI: https://doi.org/10.1038/169194a0
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