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Effect of virulence genes complementary to the effective resistance genes in sorghum on fitness of the greenbug, Schizaphis graminum Rondani (Homoptera, Aphididae)

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Abstract

Analysis of the greenbug (Schizaphis graminum Rond.) — sorghum interaction system confirmed the hypothesis that rare insect virulence was related to reduced fitness. Greenbug clones from the Krasnodar population virulent to resistance genes Sgr5 and Sgr6 revealed lower fecundity in comparison with avirulent ones and were replaced in model populations during reproduction on a susceptible sorghum line. The main role of aphid fecundity was shown to provide higher fitness, reducing the frequency of virulent clones in natural populations.

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Authors and Affiliations

  1. All-Russia Institute of Plant Industry, St. Petersburg, 190000, Russia

    E. E. Radchenko, A. A. Zubov & M. N. Berim

  2. All-Russia Institute of Plant Protection, St. Petersburg-Pushkin, 196608, Russia

    E. E. Radchenko, A. A. Zubov & M. N. Berim

Authors
  1. E. E. Radchenko
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  2. A. A. Zubov
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  3. M. N. Berim
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Additional information

Original Russian Text © E.E. Radchenko, A.A. Zubov, M N. Berim, 2007, published in Entomologicheskoe Obozrenie, 2007, Vol. 86, No. 4, pp. 773–780.

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Radchenko, E.E., Zubov, A.A. & Berim, M.N. Effect of virulence genes complementary to the effective resistance genes in sorghum on fitness of the greenbug, Schizaphis graminum Rondani (Homoptera, Aphididae). Entmol. Rev. 87, 1174–1179 (2007). https://doi.org/10.1134/S0013873807090072

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  • DOI: https://doi.org/10.1134/S0013873807090072

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