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Dissimilar Responses of Ancient Grapevines Recovered in Navarra (Spain) to Arbuscular Mycorrhizal Symbiosis in Terms of Berry Quality
Agronomy ( IF 3.949 ) Pub Date : 2020-03-29 , DOI: 10.3390/agronomy10040473
M. Carmen Antolín , David Izurdiaga , Leyre Urmeneta , Inmaculada Pascual , Juan José Irigoyen , Nieves Goicoechea

The exploitation of genetic diversity within agricultural plants, including grapevine, is suggested as a valuable tool to cope with the negative impacts of climate change on yield and crop quality. In some winegrowing regions of Europe, there is a renewed interest in knowing the grapevine genetic resources available, focusing on the prospection, recovery, and study of ancient cultivars typical of every zone. Grapevines are naturally associated with arbuscular mycorrhizal fungi (AMF), which provide some benefits to the host plant, although such effects depending on many factors, including variety. Therefore, the aim of this research was to characterize the potential fruit quality of eight old grapevine varieties recovered in Navarre (northeastern of the Iberian Peninsula), associated or not with AMF. The study was carried out on fruit-bearing cuttings grown under controlled conditions (greenhouse). Overall, AMF inoculation reduced bunch and berry mass, as well as phenolic content in fruits. In some varieties, AMF association improved some berry traits by increasing the concentrations of soluble solids and anthocyanins; in others, berry colour, total phenolic and anthocyanin content were diminished in AMF-inoculated plants. The results, therefore, suggest that intraspecific diversity of old grapevines could include different abilities to respond to arbuscular mycorrhizal symbiosis.

中文翻译:

从浆果质量角度看,西班牙纳瓦拉(Navarra)采收的古代葡萄对丛枝菌根共生的不同反应。

建议在包括葡萄树在内的农业植物中利用遗传多样性,作为应对气候变化对单产和作物品质的不利影响的宝贵工具。在欧洲的一些葡萄酒产区,人们对重新获得可用的葡萄遗传资源有了新的兴趣,重点是探寻,恢复和研究每个地区典型的古代栽培品种。葡萄与丛枝菌根真菌(AMF)自然相关,这为寄主植物带来了一些好处,尽管这种影响取决于许多因素,包括品种。因此,本研究的目的是鉴定在纳瓦拉(伊比利亚半岛东北部)回收的八种老葡萄品种的潜在果实品质,无论是否与AMF相关。这项研究是在受控条件下(温室)种植的带有果实的插条进行的。总体而言,AMF接种减少了果实的束和浆果量以及酚含量。在某些品种中,AMF协会通过增加可溶性固形物和花色苷的浓度来改善某些浆果性状。在其他情况下,接种AMF的植物的浆果色,总酚和花青素含量降低。因此,结果表明,老葡萄的种内多样性可能包括对丛枝菌根共生反应的不同能力。AMF协会通过增加可溶性固形物和花色苷的浓度来改善某些浆果性状。在其他情况下,接种AMF的植物的浆果色,总酚和花青素含量降低。因此,结果表明,老葡萄的种内多样性可能包括对丛枝菌根共生反应的不同能力。AMF协会通过增加可溶性固形物和花色苷的浓度来改善某些浆果性状。在其他情况下,接种AMF的植物的浆果色,总酚和花青素含量降低。因此,结果表明,老葡萄的种内多样性可能包括对丛枝菌根共生反应的不同能力。
更新日期:2020-03-29
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