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Wild melon diversity in India (Punjab State)

机译：印度（旁遮普邦）的野生瓜多样性

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摘要

We present here the first comprehensive genetic characterization of wild melon accessions from northern India. The genetic diversity among 43 wild melon accessions collected from the six agro-ecological regions of the Punjab State of India was assessed by measuring variation at 16 Simple Sequence Repeat (SSR) loci, morphological traits of plant habit and fruit morphological traits, two yield-associated traits, root nematode resistance and biochemical composition (ascorbic acid, carotenoids, titrable acidity). Variation among accessions was observed in plant habit and fruit traits and wild melon germplasm with high acidity and elevated carotenoid content and possessing resistance to was identified in the collection. A high level of genetic variability in wild melon germplasm was suggested by SSR analysis. Comparative analysis using SSRs of the genetic variability between wild melons from the north and other melons from the south and east regions of India and also reference accessions of cultivated melon from Spain, Japan, Korea, Maldives, Iraq and Israel, showed regional differentiation among Indian melon accessions and that Indian germplasm was not closely related to melon accessions from other parts of the world. A highly drought tolerant accession belonging to var. Naud. was also identified.
机译：我们在这里介绍了印度北部野生甜瓜种质的第一个综合遗传特征。通过测量16个简单重复序列（SSR）位点的变异，植物习性的形态性状和果实的形态性状，两个产量-相关性状，根线虫抗性和生化成分（抗坏血酸，类胡萝卜素，可滴定酸度）。在植物习性和果实性状中观察到种质之间的差异，并且在收集物中鉴定出具有高酸度和升高的类胡萝卜素含量并且具有抗性的野生瓜种质。通过SSR分析表明野生瓜种质中的高水平遗传变异性。使用SSR对印度北部和北部南部的野生甜瓜与印度南部和东部其他甜瓜的遗传变异进行比较分析，并参考西班牙，日本，韩国，马尔代夫，伊拉克和以色列的栽培甜瓜，发现印度之间存在区域差异瓜种和印度种质与世界其他地区的瓜种没有密切关系。属于耐旱品种var。裸女也被确定。

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