Agronomists and the like have taken to breeding all sorts of vegetables and fruits — changing their original nature.

农学家之类的人物搞起了各种蔬菜和水果的培育一一改变它们原有的特性。

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Somatic mutation, a main biological phenomenon of citrus and other fruits, is often used for breeding as a major variation source. Spontaneous mutations often occur in citrus.

体细胞突变是柑橘等果树比较常见的生物学现象，也是品种选育，即芽变选种的主要变异来源。

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The fruits or persistent pericarps of breeding seedlings during the viviparous developing were rich in the salt and this may do favorable to adaptation of seedlings to highly saline environment.

种苗胎生的孕育环境宿存果皮是一个盐分累积提高的高盐环境，这有利于种苗在胎生过程中对盐分的抗性锻炼。

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