Molecular Research of Russet/Semi-Russet of Sand Pear(Pyruspyrifolia) Exocarp and Their Genetic Char

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The fruit skin color of sand pear can be classified into three types of russet, semi-russet (partially russet/intermediate) and green.The russet exocarp is an important trait affecting both the quality and stress tolerance of fruits.This trait is controlled by a relative complex genetic process, with some fundamental biological questions such as how many and which genes are involved in the process remaining elusive.Meanwhile, important aspects of russet and semi-russet inheritance remain obscure.
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