Abstract
Fifty potato cultivars, 11 early-maturing, 11 mid-maturing and 28 late-maturing cultivars, were evaluated in the field for resistance to wireworms, using the equation injury rate (%) = (No. of damaged tubers/No. of total tubers) × 100. In preliminary field tests, four wireworm species were found in the experimental site:Selatosomus puncticollis (Motschulsky),Melanotus legatus Gandéze, Agrypnus argillaceus (Solsky), andA. binodulus coreanus Kishii. Larvae ofS. puncticollis were dominant (over 95% occurrence).
Significant differences for resistance were observed among the 50 cultivars. Of 11 early-maturing cultivars, high levels of resistance to wireworms were obtained from cvs Anco and Irish Cobbler. Among the 11 mid-maturing cultivars, the American cultivar Alamo and the Japanese cultivar Shinyuseo exhibited high resistance to wireworms. Of 28 late-maturing cultivars, cvs Whitu, Sieglinde, Spunta, and Some Miore were very resistant to wireworms, whereas high levels of resistance were observed in the cvs Cardinal, Norin No. 2, Ojiro and Rosa. These resistant cultivars should be useful in future breeding programs.
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Kwon, M., Hahm, Y.I., Shin, K.Y. et al. Evaluation of various potato cultivars for resistance to wireworms (Coleoptera: Elateridae). Am. J. Pot Res 76, 317–319 (1999). https://doi.org/10.1007/BF02853631
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DOI: https://doi.org/10.1007/BF02853631