カンザワハダニに対する茶樹の抵抗性に関する研究(1) : ハダニの寄生に対する茶樹の品種間差異

概要

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The tea red spider mite, Tetranychus kanzawai KISHIDA, is one of the serious pests of tea plant in Japan. So far as field observations are concerned there are susceptible and resistant varieties of tea plant to the infestation of the tea red spider mite. Some examinations were carried out to make clear this resistant nature, and the results obtained are summarized as follows. The differences in the mite infestation among the 12 varieties tested are statistically significant. Such varieties as Asatuyu, Benihomare, Tamamidori, U-4 and Y-1 are susceptible to the mite infestation, while Y-3,Y-5 and Z-1 are resistant. There are number of susceptible varieties in the seedlings selected from domestic variety, but selffertilized new varieties from registered good variety are not susceptible to the mite infestation. It is not evident whether the varietal differences are due to host-selection of mite or antibiosis of host-plant.
日本応用動物昆虫学会の論文
1962-06-30