Evaluation and Pre-selection of New Grapevine Genotypes Resistant to Downy and Powdery Mildew, Obtained by Cross-Breeding Programs in Spain

Ruiz-Garcı́a, Leonor; Gago, Pilar; Martínez-Mora, Celia; Santiago, J.L.; Fernádez-López, Diego J.; Martínez, María del Carmen López; Alonso, Susana Boso

doi:10.3389/fpls.2021.674510

Cited by 8 publications

(5 citation statements)

References 31 publications

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“…The long domestication and breeding history of V. vinifera in particular, for wine and fresh and dried fruit consumption has led to desirable traits such as berry color, sugar content, and berry size (Aradhya et al, 2003;Myles et al, 2011;Zhou et al, 2017). Traditional breeding attempts to cross wild non-vinifera species with V. vinifera has generated some resistant/tolerant genotypes (Morales-Cruz et al, 2021;Ruiz-Garcıá et al, 2021), although these genotypes can be compromised by negatively perceived flavors, prominently in wine production (Liu et al, 2015;Yang et al, 2016). While this is only true in F1 crosses between vinifera and wild species, due to the protracted nature of traditional grapevine breeding programs, the future success of the wine industry will require the utilization of new breeding technologies for the development of novel varieties better suited to the climatic conditions predicted under the scenario of climate change (Töpfer and Trapp, 2022).…”

Section: Introductionmentioning

confidence: 99%

Epigenomics: a new tool for the generation of climate resilient grapevines

Tan¹,

López²

2023

Front. Hortic.

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Climate change is expected to increase the occurrence of extreme environmental conditions. Viticulture, as agriculture in general, is highly dependent on climatic conditions, not only for yield but also for fruit quality, which is the most important factor affecting produce value at the farm-gate. This demands the development of novel plant breeding techniques that will lead to the accelerated production of more resilient grape varieties, as conventional breeding programs for perennials are often prolonged. Recent research has suggested that environmental conditions can activate a memory of stress that could result in a primed response to subsequent stress events. This is a process capable of increasing plant’s resilience to abiotic stimuli, allowing plants to better adapt to extreme environmental conditions. While the effect of priming has been observed in many plants, the underlying mechanisms are puzzling and seldom studied in perennial crops. A large body of research has been developed in the last decade linking response to stress, stress priming, and memory of stress with epigenetic mechanisms. This understanding of plant epigenetics has opened the door to the application of epigenetics to crop improvement, such as the use of epigenetic breeding for the generation of more resilient crops. Perennial crop agriculture in general, and viticulture in particular, would benefit from more in-depth knowledge on epigenetic memory of stress.

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Section: Introductionmentioning

confidence: 99%

Epigenomics: a new tool for the generation of climate resilient grapevines

Tan¹,

López²

2023

Front. Hortic.

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“…Grapevine breeding programs have been started in order to develop new resistant hybrid genotypes against powdery mildew and downy mildew diseases in different countries [106]. In one of these, Ruiz-García et al [107] evaluated the degree of phenotypic resistance or susceptibility for downy and powdery mildew of 28 new genotypes obtained from crosses between "Monastrell" and "Regent". In particular, three genotypes from the hybrid population showed strong combined resistance, and they could be used as a very important source of resistance parents in future breeding studies in terms of both powdery mildew and downy mildew.…”

Section: Genomic Positions Of Morphological Phenological Metabolic Tr...mentioning

confidence: 99%

New Perspectives in Grapevine (Vitis spp.) Breeding

Atak¹

2023

Case Studies of Breeding Strategies in Major Plant Species

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Many grape varieties or genotypes of Vitis species are grown for different purposes in various parts of the world. However, despite a large number of cultivars, there is a demand for different grape cultivars due to changing consumer expectations. Grapevine breeding programs are carried out by scientists in different countries in order to meet these expectations. Breeding studies, which used to take a long time with traditional crossbreeding methods, have become studies that achieve the desired results in a much shorter time with the development of molecular methods and biotechnology. One of the most important developments in grapevine breeding is that the relevant gene regions in hybrid populations developed from breeding programs can be identified in a very short time. In recent years, the demand for cultivars that are more resistant or tolerant to biotic and abiotic stress conditions has increased, and for this purpose, there has been a significant increase in breeding studies on cultivars and rootstocks that are resistant or tolerant to different stress conditions. Considering the current breeding programs, genetically manipulated new cultivars with desired characteristics and interspecies hybrid cultivars will soon become the main study subjects of grapevine breeding programs.

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“…These can confer partial or even total resistance to downy mildew (such is the case of V. rotundifolia and V. piasezkii ) [ 14 , 15 ]. To date, 27 genomic regions associated with resistance to the disease (Rpv loci) have been identified [ 16 , 17 , 18 , 19 , 20 ]. Some of the genes that confer this resistance include Rpv1 and Rpv2 in Muscadinia rotundifolia Michaux, Rpv3 and Rpv19 in Vitis rupestris Scheele, Rpv4, Rpv7, Rpv11, Rpv17, Rpv18, Rpv20 and Rpv21 in unspecified American species, and Rpv5, Rpv6, Rpv9 and Rpv13 in V. riparia .…”

Section: Introductionmentioning

confidence: 99%

Variation in Susceptibility to Downy Mildew Infection in Spanish Minority Vine Varieties

Boso,

Gago,

Santiago

et al. 2023

Plants

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Downy mildew is one of the most destructive diseases affecting grapevines (Vitis vinifera L.). Caused by the oomycete Plasmopara viticola (Berk. and Curt.) Berl. and de Toni, it can appear anywhere where vines are cultivated. It is habitually controlled by the application of phytosanitary agents (copper-based or systemic) at different stages of the vine growth cycle. This, however, is costly, can lead to reduced yields, has a considerable environmental impact, and its overuse close to harvest can cause fermentation problems. All grapevines are susceptible to this disease, although the degree of susceptibility differs between varieties. Market demands and European legislation on viticulture and the use of phytosanitary agents (art. 14 of Directive 128/2009/EC) now make it important to know the sensitivity of all available varieties, including minority varieties. Such knowledge allows for a more appropriate use of phytosanitary agents, fosters the commercial use of these varieties and thus increases the offer of wines associated with different terroirs, and helps identify material for use in crop improvement programmes via crossing or genetic transformation, etc. Over 2020–2021, the susceptibility to P. viticola of 63 minority vine varieties from different regions of Spain was examined in the laboratory using the leaf disc technique. Some 87% of these varieties were highly susceptible and 11% moderately susceptible; just 2% showed low susceptibility. The least susceptible of all was the variety Morate (Madrid, IMIDRA). Those showing intermediate susceptibility included the varieties Sanguina (Castilla la Mancha, IVICAM), Planta Mula (Comunidad Valenciana, ITVE), Rayada Melonera (Madrid, IMIDRA), Zamarrica (Galicia, EVEGA), Cariñena Roja (Cataluña, INCAVI), Mandrègue (Aragón, DGA) and Bastardo Blanco (Extremadura, CICYTEX). The highly susceptible varieties could be differentiated into three subgroups depending on sporulation severity and density.

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Evaluation and Pre-selection of New Grapevine Genotypes Resistant to Downy and Powdery Mildew, Obtained by Cross-Breeding Programs in Spain

Cited by 8 publications

References 31 publications

Epigenomics: a new tool for the generation of climate resilient grapevines

Epigenomics: a new tool for the generation of climate resilient grapevines

New Perspectives in Grapevine (Vitis spp.) Breeding

Variation in Susceptibility to Downy Mildew Infection in Spanish Minority Vine Varieties

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