Abstract
Two strains of maize chlorotic dwarf waikavirus (MCDV), the type strain MCDV-T and the recently isolated MCDV-M1, were compared for leafhopper transmission, vector specificity, and host plant range. Leafhopper species tested as vectors and their estimated transmission rates (by single insects) of MCDV-T and MCDV-M1, respectively, were Graminella nigrifrons, 27.0 and 20.4%; Amblysellus grex, 17,5 and 6.7%; Planicephalus flavicostatus, 7.9 and 1.0%; Stirellus bicolor, 5.9 and 1.2%; G. sonora, 1.2 and 2.5%; and Dalbulus maidis, 0.8 and 1.7%. Euscelidius variegatus. Macrosteles quadrilineatus, and Ollarianus strictus were tested as well but did not transmit either strain
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