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育成过程:爱嫒县北宇和郡吉田町深浦的大谷政幸先生于1970年春以日本夏橙为中间砧,高接宫内伊予柑,1972年发现高接枝抽出二根枝条,其中一枝结的果实发生变异。因而1974年,爱嫒县果树试验场南予分场在大谷家的桔园对其进行鉴定,认为树上结的果实果皮很光滑,是枝变类型。其后继续进行了调查。1977年育成者提出种苗登记申请,1980年8月13日以登记号码52号,果树第20号予以正式登记。 植株:与母树宫内伊予柑比较,高接后树势没有变化,开始结果后树势稍变弱,树
The process of rebuilding: Atsuya Otani, Yoshida-cho, Yoshida-cho, Yoshida-machi, Aizu Prefecture In the spring of 1970, Japanese summer orange was used as the intermediate anvil, followed by Yukon in Miyazato Prefecture. In 1972, it was found that two branches of high grafting were taken out and the fruit of one branch occurred variation. Therefore, in 1974, Aitai fruit tree test site to the southern branch of the Valley in the orange garden to identify them, that the fruit on the tree peel is very smooth, is the branch type. Continued investigation thereafter. In 1977 breeders filed seedlings registration application, August 13, 1980 with the registration number 52, fruit tree No. 20 to be officially registered. Plant: Compared with the parent tree Ipomoea mahogany, tree height after the pick has not changed, the beginning of the tree after a slight weakening of the tree