Field Assessments of Antibiotic Resistance to Myzus persicae (Sulzer) in Different Potato Cultivars
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Abstract
Eight potato cultivars i.e. Cardinal, Ultimus, Cosima, Mansur, Monaliza, Ajax, Diamant and Desiree were screened for their relative antibiosis in the potato field to peach-potato aphid, Myzus persicae (Sulzer). Among all the tested cultivars, Cardinal showed comparatively high resistance and showed the lowest r_m, followed by Ultimus. The r_m for Cardinal was 1.6 times lower than that of r_m on Desiree, which was found consistently the most susceptible cultivar.
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