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首页> 外文期刊>Genetic Resources and Crop Evolution >Population genetics and ethnobotany of cultivated Diospyros riojae Gómez Pompa (Ebenaceae), an endangered fruit crop from Mexico
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Population genetics and ethnobotany of cultivated Diospyros riojae Gómez Pompa (Ebenaceae), an endangered fruit crop from Mexico

机译：墨西哥濒危水果作物Diospyros riojaeGómezPompa（Ebenaceae）的种群遗传和民族植物学

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摘要

The traditional cultivation of an endangered species, Diospyros riojae, in North-Central Mexico, and the sale of its fruit, is described for the first time. This is complemented by the first examination of genetic structure in New World Ebenaceae. Genetic comparisons are made among 27 accessions of D. riojae from across its known range of cultivation, and individuals of Diospyros conzattii, Diospyros digyna, Diospyros californica, Diospyros rosei, Diospyros rekoi and an unknown species of Diospyros from Oaxaca, Mexico. Morphological comparisons are made between D. conzattii, D. riojae, and the unknown species of Diospyros from Oaxaca. D. riojae is cultivated in two markedly different climates: arid and semi-arid localities west of the Sierra Gorda, especially near Tecozautla, Hidalgo, and humid areas of the Huasteca Region, east of the Sierra Gorda. Much lower levels of genetic diversity were detected in western populations, where populations are larger, and management intensity is the greatest. Neither the results of our genetic analysis, nor our morphological analysis of recent collections of D. riojae, D. conzattii, and an unknown species from Oaxaca, are consistent with the most recent revision of Neotropical Diospyros. Taxon-level divergence, rather than cultivar-level divergence, is suggested for D. riojae and D. conzattii.
机译：首次介绍了在墨西哥中北部对濒危物种Diospyros riojae进行的传统种植以及其水果的销售。这是对新大陆纲目的遗传结构的首次检查的补充。进行了遗传比较，研究了来自其已知栽培范围的里氏梭菌的27个种，以及墨西哥柿子的Diospyros conzattii，Diospyros digyna，Diospyros californica，Diospyros rosei，Diospyros rekoi和未知的Diospyros物种。在D. conzattii，D。riojae和来自瓦哈卡州的Diospyros的未知物种之间进行了形态学比较。 D. riojae是在两种明显不同的气候中种植的：塞拉戈尔达山脉以西的干旱和半干旱地区，尤其是靠近Tecozautla，Hidalgo和塞拉戈尔达以东的Huasteca地区的潮湿地区。在人口众多，管理强度最大的西部人口中，发现的遗传多样性水平要低得多。我们的遗传分析结果或最近对D. riojae，D。conzattii以及瓦哈卡州不明物种的近期形态学分析均与新热带柿属的最新版本不符。 D. riojae和D. conzattii建议分类群级别的分歧，而不是品种级别的分歧。

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