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Hybrids Of Nephotettix impicticeps Ishihara and N. apicalis (Motsch.) and their ability to transmit the tungro virus Of rice

Published online by Cambridge University Press:  10 July 2009

K. C. Ling
K. C. Ling
Affiliation:
International Rice Research Institute, Los Baños, Laguna, Philipines
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Extract

Rice tungo virus is tranmitted by Nephotettix impicticeps Ishihara but not by the closely related N. apicalis (Motsch.). Hybrids have been obtained from crosses between these two species. The morphological characteristics of the hybrids were not identical with either parent in respect to the marking on the abdomen of the nymphs, the submarginal black band on the vertex of the adults, or the number of teeth on the ventral surface of the aedeagus of the male genitalia. However, more than 10 per cent. of them, regardless of stage of development or sex, were able to transmit the tungo virus, indicating that the transmissive ability is inherited even in an interspecific cross. The virus seems to be nonpersistent in the hybrids as it is in N. impicticeps.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 58 , Issue 2 , November 1968 , pp. 393 - 398
Copyright
Copyright © Cambridge University Press 1968

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