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1983~84年冬,以色列几个桔园第一次报导了在‘Shamouti’品种上结了形状独特的孪生桔.此果实扁长,中间微凹,果皮很薄.结于无叶花序上,每棵树上只结一颗.纵向剖开孪生桔,可见果胶不同程度地渗入内果皮,有的甚至渗入果心.沿着花柱萼轴可把果实分成带有完整内果表膜的两部
In the winter of 1983-84, several orange orchards in Israel reported for the first time the formation of twin oranges of ’Shamouti’ variety in a unique shape with long, medium, slightly dimpled peels and thin pericarp. Each tree only one knot.Crosswise cut open twin orange, visible pectin to varying degrees, infiltration of endocarp, and some even infiltrated the fruit heart along the stylar axis can divide the fruit into a film with a complete two fruit unit