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Comparison of vector-virus relationships of strawberry crinkle plant Rhabdovirus in two aphids (Chaetosiphon fragaefolii and C. jacobi) infected by injection

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  • Sylvester, Edward S.
  • Richardson, Jean

Abstract

Data were collected to estimate transmission efficiency, infectivity and net transmission rates, latent and retention periods, and retention and efficiency indexes of the strawberry crinkle virus (SCV) transmitted by apterae of Chaetosiphon fragaefolii (Cockerell) and C. jacobi (Hille Ris Lambers) infected by injection. The infectious extracts of (SCV) were prepared from virus-infected donor aphids. Data also were collected on the longevity and larviposition of SCV-infected as well as comparable apterae that were injected with similar extracts prepared from SCV-free aphids. Additional trials were done to assess the probability of transovarial passage (TOP). The effect of infection was monitored by serially transferring individual aphids to healthy Alpine strawberry test seedlings at 24-hr intervals at constant temperature (25°C) and continuous light until all aphids had died.

Suggested Citation

  • Sylvester, Edward S. & Richardson, Jean, 1990. "Comparison of vector-virus relationships of strawberry crinkle plant Rhabdovirus in two aphids (Chaetosiphon fragaefolii and C. jacobi) infected by injection," Hilgardia, California Agricultural Experiment Station, vol. 58(3).
    • Handle: RePEc:ags:hilgar:381666
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