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首页> 外文期刊>Israel Journal of Plant Sciences >New insights into the range, morphology, and natural hybridization of wild Lactuca aculeata in Israel
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New insights into the range, morphology, and natural hybridization of wild Lactuca aculeata in Israel

机译：以色列野生乳酸Aculeata的范围，形态和自然杂交的新见解

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In recent years we initiated extensive studies on the characterization of the population structure of wild Lactuca relatives (WLRs) originating from their center of origin and diversity in Southwest Asia. The objectives of our research program are related to the identification, collection, distribution, conservation and sustainable use of these unique plant genetic resources (PGR) for breeding. Natural populations of Lactuca aculeata Boiss., a wild lettuce, closely related and fully inter-fertile with cultivated lettuce, sativa L., were identified throughout northeastern Israel. The collection includes 485 seed samples, which is likely the largest and most diverse collection of this important WLR. Seeds were collected from 46 locations, representing its ecogeographic distribution in northeastern Israel. Together with 14 additional observed localities, we recorded our observations from a total of 60 native locations of L. aculeata. Thus, we assume that northeastern Israel is an ecological domain where natural L. aculeata populations can be found. The analyzed data allowed us to specify the borders of the growing area in the region, as well as to describe the ecological features of the habitats and altitude distribution of natural L. aculeata within the studied area. Notably, our data included new findings of native locations of L. aculeata on the western side of the watershed in Israel. Selected morphological characteristics, from the regeneration of 185 samples, verified the identity of all except one as L. aculeata. Some progenies (0.27%) of the original collected plants were identified as hybrids of L. aculeata x L. serriola.
机译：近年来，我们启动了关于源自其原产地和亚洲西南部多样性的野生乳酸亲和力（WLRS）的人口结构的大量研究。我们的研究计划的目标与这些独特的植物遗传资源（PGR）进行培育的鉴定，收集，分销，保护和可持续利用有关。在以色列东北部的鉴定，盐酸乳酸乳酸乳酸Aculeata Boilla Boilla Boulata Boibs的自然植物。该集合包括485个种子样本，这可能是这一重要WLR的最大和最多的集合。从46个地点收集种子，代表了以色列东北部的成果分布。我们与14个额外的观察到的地方一起记录了我们的观察结果，从总共60个天然地区的L. Aculeata。因此，我们认为，以色列东北部是一种生态领域，可以找到天然L.自然的人群。分析的数据允许我们指定该地区不断发展的地区的边界，以及描述研究区内天然L. Aculeata的栖息地和海拔分布的生态特征。值得注意的是，我们的数据包括在以色列分水岭西侧的L. Aculeata的Native Lopations的新发现。从185个样品的再生中选择的形态特征，验证了除aculeata之外的所有人的身份。一些原始收集的植物（0.27％）的原始收集的植物被鉴定为L.Aculeata X L. Serriola的杂种。

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