Identification and recovery of local Vitis vinifera L. cultivars collected in ancient vineyards in different locations of Argentina

IF 2.5 3区农林科学 Q3 FOOD SCIENCE & TECHNOLOGY

Australian Journal of Grape and Wine Research Pub Date : 2022-05-26 DOI:10.1111/ajgw.12561

R. Torres, G. Aliquó, A. Toro, F. Fernández, S. Tornello, E. Palazzo, S. Sari, M. Fanzone, F. De Biazi, H.J. Oviedo, R. Segura, V. Laucou, T. Lacombe, J.A. Prieto

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引用次数: 2

Abstract

Background and Aims

These last years, minor cultivars have gained attention as they provide an opportunity to offer original products in a global market and to combat global warming. Recent evidence brought to light the existing diversity within the group of autochthonous cultivars from Argentina and other South American countries, commonly known as criollas. The objective was to prospect, rescue and identify grapevine phenotypes recovered in ancient vineyards as putative criollas, in the western provinces of Argentina.

Methods and Results

We collected 60 samples in 11 locations. Their identity and pedigree were analysed through nuclear simple sequence repeat (nSSR) markers. The 60 samples were grouped in 45 different genotypes, 19 of them corresponding to previously registered cultivars, while 26 were new genotypes, with no correspondence in international databases. The majority (18) of the 26 new genotypes were related with the criollas group while other genotypes presented a totally different genetic profile and its origin remains to be elucidated.

Conclusions

The diversity within the South American cultivars is higher than previously thought. Ancient vineyards, located in isolated valleys, are reservoirs of minor cultivars, and growers have played a key role in maintaining and conserving them.

Significance of the Study

This genetic diversity constitutes a valuable tool to explore alternatives for diversification and adaptation to climate change.

Abstract Image

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阿根廷不同地区古葡萄园葡萄品种的鉴定与恢复

背景和目的近年来，小品种由于提供了在全球市场上提供原创产品和对抗全球变暖的机会而受到关注。最近的证据表明，来自阿根廷和其他南美国家的本土栽培品种群体中存在着多样性，这些品种通常被称为criollas。目的是在阿根廷西部省份的古老葡萄园中寻找、拯救和鉴定葡萄的表型，这些葡萄被认为是criollas。方法与结果在11个地点采集60份样品。通过核简单序列重复(nSSR)标记分析了它们的身份和家系。60份样品分为45个不同的基因型，其中19个与以前登记的品种对应，26个是新基因型，在国际数据库中没有对应。在26个新基因型中，大部分(18个)与criollas类群有关，而其他基因型表现出完全不同的遗传谱，其起源尚待阐明。结论南美品种的多样性比以前认为的要高。古老的葡萄园位于偏僻的山谷中，是小型品种的水库，种植者在维护和保护它们方面发挥了关键作用。这项研究的意义这种遗传多样性是探索多样化和适应气候变化的替代方法的宝贵工具。

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来源期刊

Australian Journal of Grape and Wine Research 工程技术-食品科技

CiteScore

5.30

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： The Australian Journal of Grape and Wine Research provides a forum for the exchange of information about new and significant research in viticulture, oenology and related fields, and aims to promote these disciplines throughout the world. The Journal publishes results from original research in all areas of viticulture and oenology. This includes issues relating to wine, table and drying grape production; grapevine and rootstock biology, genetics, diseases and improvement; viticultural practices; juice and wine production technologies; vine and wine microbiology; quality effects of processing, packaging and inputs; wine chemistry; sensory science and consumer preferences; and environmental impacts of grape and wine production. Research related to other fermented or distilled beverages may also be considered. In addition to full-length research papers and review articles, short research or technical papers presenting new and highly topical information derived from a complete study (i.e. not preliminary data) may also be published. Special features and supplementary issues comprising the proceedings of workshops and conferences will appear periodically.