New citrus cultivar 'Setoka'
2003
Matsumoto, R. (National Inst. of Fruit Tree Science, Tsukuba, Ibaraki (Japan)) | Yamamoto, M. | Kuniga, T. | Yoshioka, T. | Mitani, N. | Okudai, N. | Yamada, Y. | Asada, K. | Ikemiya, H. | Yoshinaga, K. | Uchihara, S. | Oiyama, I. | Murata, H.
Summary 'Setoka' was produced from a cross between kuchinotsu No.37' ('Kiyomi * Encore No.2') and 'Murcott. It was registered as 'Tangor Norin No.8' and released as a superior tangor cultivar in 1998. The tree vigor is intermediate to weak and the tree attitude is intermediate to spreading. It has tiny thorns like orange trees. The cultivar shows strong parthenocarpic habit and produces nearly seedless fruits with complete male sterility. Seeds are polyembryonic. The fruit is 200-280g in weight and the shape is oblate. The rind is thin, orange to deep orange in color, and peelable. Flesh is very tender and juicy. Flavor is pleasant aromatic, and similar to 'Murcott. The fruit ripens in February. Acid is low (0.8 - 1.2g/100ml) and the concentration of soluble solid is high (12 - 13%). 'Setoka' is resistant to both citrus canker and citrus scab.
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