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甘薯近缘野生种是甘薯育种的宝贵种质资源,也是甘薯基础理论研究的物质基础。现就国内外甘薯近缘野生种的研究概况作一综合介绍。一、国外研究概况对甘薯近缘野生种的研究大体分为两个方面。第一,通过对近缘野生种性状观察及其细胞遗传学的研究,开展了近缘野生种分类、起源和演化的研究。第二,鉴定近缘野生种的特性,使之用于甘薯育种。本世纪50年代以来,西山、Jones、Mar-
Wild relatives of sweet potato is a valuable germplasm resource for sweet potato breeding and also a material basis for the study of basic theory of sweet potato. Now on the domestic and international sweet potato related research overview of wild species for a comprehensive introduction. First, the foreign research overview The research on the wild relatives of sweet potato can be divided into two aspects. First, through the observation of the traits of wild relatives and their cytogenetics, the classification, origin and evolution of the wild relatives were studied. Second, the identification of the characteristics of the wild relatives so that it can be used for sweet potato breeding. Since the 1950s, Xishan, Jones, Mar-