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The tea green leafhopper, Empoasca onukii Matsuda (Hemiptera: Cicadellidae, Typhlocybinae), is a serious pest of tea plants in East Asia. In the laboratory, tea genotypes CA278, Cd19, and Cd289 [Camellia sinensis (L.) O. Kuntze (Theaceae)] sustain fewer feeding damage symptoms known as hopperburn than the susceptible cultivar ‘Yabukita,’ and E. onukii excretes less honeydew on them than on Yabukita...
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