A new citrus cultivar, 'Hiroshimakaken 11 gou'
2008
Hasegawa, M.(Hiroshima-ken. Technology Research Inst., Higashihiroshima (Japan). Agricultural Technology Research Center) | Nakatani, M. | Nogami, A. | Omasa, E. | Hasegawa, S.
'Hiroshimakaken11gou' is a cultivar of interspecific in Citrus bred by the Agricultural Technology Research Center, Hiroshima Prefectural Technology Research Institute, Higashihiroshima, Hiroshima, Japan, and released in 2005. 'Hiroshimakaken11gou' was produced by a cross between 'Kiyomi' tangor ('Miyagawa wase' x 'Trovita orange') x ' Southern Red' mandarin ('Kara' x 'Ponkan') undertaken in 1987 to breed fruit which has a good flavor and eating quality, weighs over 200 g., has edible pulp segments and ripens by December. Over 5 years, 'Hiroshimakaken11gou' fruit ripened in November. The fruit is oblate to globose in-shape, with a shape index of 124, and weighing on average 222 g. The skin color is dark-orange, and the flavor is similar to that of the cultivar 'Southern Red'. When the fruit are ripe, the juice has a brix of 11.8deg, an acid content of 0.85% and sugar:acid ratio of 14.1. The brix is almost equal to that of comparable cultivars 'Miho-core', 'Ariake' and 'Okitsu-Wase', while the acid content is 0.1-0.2 percentage points lower than in these and the sugar:acid ratio is higher. The fruit has about twenty seeds and is difficult to peel the rind by hand, so that fruit are better suited to cut and eat. This variety is easily infected with canker, Xanthomonas campestris pv. citri, so that control of this disease is necessary.
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