Genetic diversity of guava (Psidium guajava L.) from Central Mexico revealed by morphological and RAPD markers

IF 1.3 4区生物学 Q3 PLANT SCIENCES

Phyton-international Journal of Experimental Botany Pub Date : 2017-09-18 DOI:10.32604/phyton.2016.85.176

L. L. Valera-Montero, P. Muñoz-Rodriguez, H. Silos-Espino, S. Flores-Benítez

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引用次数: 7

Abstract

Guava fruit produced in Calvillo, Aguascalientes(Mexico) is considered to be of the best quality in this country. Nevertheless,growers from this place empirically know that there is anoticeable variation among individual trees within the same orchard,and variation among individuals from different orchards. In orderto have a clear evidence of this, morphology analysis of guava wasperformed taking data from seventy nine individuals out of thirtysix orchards, while RAPD was performed on a subset of twentysix individuals. Similarity was found for morphology data rangingfrom 87-100%, while similarity from RAPD data ranged from 30-100%. Combined data of RAPD and morphology showed similaritygreater than 80%. Clades from combined data sorted genotypes intoclearly defined groups according to fruit shapes and banding pattern.These markers could be used as helper tools for breeding programsfor guava genotypes of Mexico. Furthermore, these may help on theclaims from growers when checking origin authenticity if packedguava from somewhere else is labeled as guava from Calvillo.

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墨西哥中部番石榴(Psidium guajava L.)形态和RAPD标记的遗传多样性分析

在墨西哥阿瓜斯卡连特斯的卡尔维罗生产的番石榴被认为是这个国家质量最好的。然而，这个地方的种植者凭经验知道，在同一果园里的每棵树之间，以及不同果园里的每棵树之间，都有明显的差异。为了得到明确的证据，对36个果园中的79个番石榴个体进行了形态学分析，同时对26个个体进行了RAPD分析。形态学数据的相似度为87 ~ 100%，RAPD数据的相似度为30 ~ 100%。RAPD和形态学数据相结合，相似度大于80%。来自组合数据的进化枝根据果实形状和条带模式将基因型分类为明确定义的组。这些标记可作为墨西哥番石榴基因型育种计划的辅助工具。此外，如果从其他地方包装的番石榴被标记为来自Calvillo的番石榴，这些可能有助于种植者在检查原产地真实性时声称。

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来源期刊

Phyton-international Journal of Experimental Botany 生物-植物科学

CiteScore

1.90

自引率

11.80%

发文量

审稿时长

12 months

期刊介绍： Phyton-International Journal of Experimental Botany is an international journal that publishes on the broadest aspects of plant biology and ecology. The journal welcomes the original and exciting submissions that provide new and fundamental insights into the origins, development, and function of plants from the molecular to the whole organism and its interactions within the biotic and abiotic environment. Phyton-International Journal of Experimental Botany publishes outstanding research in the plant and ecology sciences, especially in the areas of plant physiology and biochemistry, plant metabolism, plant ecology and evolution, as well as those making use of synthetic, modeling, bioinformatics, and -omics tools. Manuscripts submitted to this journal must not be under simultaneous consideration or have been published elsewhere, either in part or in whole.