Secondary and primary metabolites reveal putative resistance-associated biomarkers against Erysiphe necator in resistant grapevine genotypes

Frontiers in Plant Science, Год журнала: 2023, Номер 14

Опубликована: Янв. 31, 2023

Numerous fungicide applications are required to control Erysiphe necator, the causative agent of powdery mildew. This increased demand for cultivars with strong and long-lasting field resistance diseases pests. In comparison susceptible cultivar 'Teroldego', current study provides information on some promising disease-resistant varieties (mono-locus) carrying one E. necator-resistant locus: BC4 'Kishmish vatkana', as well resistant genotypes several necator loci (pyramided): 'Bianca', F26P92, F13P71, NY42. A clear picture metabolites' alterations in response pathogen is shown by profiling main secondary metabolism: primary compounds lipids; volatile organic phenolic at 0, 12, 48 hours after inoculation. We identified whose metabolic modulation indicated that plants initiate defense upon inoculation, which, while similar genotype cases, did not imply were resistant, but rather their was modulated different percentages metabolite accumulation effect sizes. As a result, we discovered ten up-accumulated metabolites distinguished from mildew three which have already been proposed biomarkers due role activating plant response.

Язык: Английский

---

Reciprocal inhibition of autophagy and Botrytis cinerea-induced programmed cell death in ‘Shine Muscat’ grapes

Food Chemistry, Год журнала: 2024, Номер 460, С. 140512 - 140512

Опубликована: Июль 18, 2024

Язык: Английский

---

Advances in viticulture via smart phenotyping: current progress and future directions in tackling soil copper accumulation

Frontiers in Plant Science, Год журнала: 2024, Номер 15

Опубликована: Ноя. 4, 2024

Modern viticulture faces significant challenges including climate change and increasing crop diseases, necessitating sustainable solutions to reduce fungicide use mitigate soil health risks, particularly from copper accumulation. Advances in plant phenomics are essential for evaluating tracking phenotypic traits under environmental stress, aiding selecting resilient vine varieties. However, current methods limited, hindering effective integration with genomic data breeding purposes. Remote sensing technologies provide efficient, non-destructive measuring biophysical biochemical of plants, offering detailed insights into their physiological nutritional state, surpassing traditional methods. Smart phenotyping is varieties desired traits, such as pathogen-resilient varieties, tolerant altered fertility toxicity. Identifying plants typical toxicity symptoms high levels straightforward, but it becomes complex supra-optimal, already toxic, common vineyard soils. This can induce multiple stress responses interferes nutrient acquisition, leading ambiguous visual symptoms. Characterizing resilience via smart feasible by relating assessments, supported trained professionals who identify primary stressors. complexities increase more sources uncertainties symptom interpretations. suggests that artificial intelligence could be valuable enhancing decision support viticulture. While technologies, powered intelligence, benefits response times, the interpreting (e.g., toxicity) still highlight need human oversight making final decisions.

Язык: Английский

---

First Approach to the Aroma Characterization of Monovarietal Red Wines Produced from Varieties Better Adapted to Abiotic Stresses

Plants, Год журнала: 2023, Номер 12(10), С. 2063 - 2063

Опубликована: Май 22, 2023

Adaptation strategies in the wine sector consist of use cultural techniques to limit damages caused by climate change, using, among other resources, varieties better adapted scenarios abiotic stress exacerbation, namely water and thermal stress, as well those more tolerant heatwaves. With intention determine aromatic characterization ten monovarietal wines produced from cultivars with high productive performance a global warming scenario ('Petit Verdot', 'Marselan', 'Merlot', 'Touriga Franca', 'Syrah', 'Vinhão', 'Bobal', 'Preto Martinho', 'Trincadeira', 'Alicante Bouschet'), grown Esporão vineyard (Alentejo, Portugal) submitted deficit irrigation (Ks ± 0.5), their character has been analyzed. Each grape variety was vinified at small scale, duplicate, were evaluated sensory panel, which rated several attributes (visual, olfactory, gustatory). Sensory analysis revealed discrete appreciation for tasted, showing differentiation olfactory level that not too marked, although present, between samples. The free volatile compounds analysed using gas chromatography-olfactometry (GC-O), identified chromatography-mass spectrometry (GC-MS) technique semi-quantified chromatography-flame ionization detector (GC-FID) technique. Based on interpolation results various statistical analyses carried out, 49 probable odor active (pOACs) based activity values (OAVs), 24 them recognized (OACs) originated mainly during fermentation processes. An proposed.

Язык: Английский

---

Viticulture in Oltenia region (Romania) in the new climatic context

Theoretical and Applied Climatology, Год журнала: 2023, Номер 154(1-2), С. 179 - 199

Опубликована: Июль 15, 2023

Язык: Английский

---

Nuances of Responses to Two Sources of Grapevine Leafroll Disease on Pinot Noir Grown in the Field for 17 Years

Viruses, Год журнала: 2022, Номер 14(6), С. 1333 - 1333

Опубликована: Июнь 18, 2022

Grapevine leafroll disease (GLD) is one of the most economically damaging virus diseases in grapevine, with grapevine leafroll-associated 1 (GLRaV-1) and 3 (GLRaV-3) as main contributors. This study complements a previously published transcriptomic analysis compared impact two different forms GLD to symptomless control treatment: mildly symptomatic form infected GLRaV-1 severe exceptionally early symptoms (up six weeks before veraison) GLRaV-3. Vine physiology fruit composition 17-year-old Pinot noir vines were measured gradient vigor, yield, berry quality (sugar content weight) was observed between treatments. Virome composition, confirmed by individual RT-PCR, biological indexing. Three divergent viromes recovered, containing four seven viruses viroids. They included first detection asteroid mosaic-associated Switzerland. did not cause obvious on indicators used Moreover, presence B (GVB) expected corky bark indicators, thus underlining important limitations Transmission GLRaV-3 alone or combination GVB Planococcus comstocki mealybug reproduce strong donor plant GLD. result raises questions about contribution each symptomatology plant.

Язык: Английский

---

Expression Analyses in the Rachis Hint towards Major Cell Wall Modifications in Grape Clusters Showing Berry Shrivel Symptoms

Plants, Год журнала: 2022, Номер 11(16), С. 2159 - 2159

Опубликована: Авг. 19, 2022

Berry shrivel (BS) is one of the prominent and still unresolved ripening physiological disorders in grapevine. The causes BS are unclear, previous studies focused on berry metabolism or histological studies, including cell viability staining rachis berries clusters. Herein, we studied transcriptional modulation induced by pre-symptomatic symptomatic clusters with a custom-made microarray qPCR relation to RNASeq study berries. Gene set analysis transcript expression tissue determined suppression wall biosynthesis, which could also be confirmed already CESA8 analyses, while berries, high number SWITCH genes were suppressed at veraison. Additionally, associated differently affected A percentage hydrolytic enzymes grapes other groups such as, e.g., xyloglucan endotransglucosylase/hydrolase, rachis. In conclusion, propose that modulated biosynthesis assembly have potential consequences for strength lead forced degradation walls grape similarity sugar starvation profiles provides link low accumulation. However, further remain necessary investigate temporal spatial coordination both tissues.

Язык: Английский

---

An Overview of the Impacts of Climate Change on Vineyard Ecosystems in Niagara, Canada

Agriculture, Год журнала: 2023, Номер 13(9), С. 1809 - 1809

Опубликована: Сен. 14, 2023

Vineyards are agroecosystems of great importance in the Niagara Region, Ontario (Canada). Due to its microclimate, this region is projected be impacted by climate change with temperature increases, changes precipitation patterns all seasons, and greater frequency extreme weather events. The aim review paper summarize which seasonal expected occur Region assess how such likely affect main components vineyard ecosystem (i.e., soil, vines, invertebrates, pathogens). It that 2080 will experience an increase four seasons; during fall, winter, spring; a decrease summer months. Impacts lead vine water stress, yield loss, increases incidents diseases, spread new pests, grape quality ultimately resulting lower wine and/or production. Current management practices need better understood adaptive strategies introduced enhance growers’ ability minimize these impacts.

Язык: Английский

---

Weather potential for high-quality still wine from Chardonnay viticulture in different regions of the UK with climate change

OENO One, Год журнала: 2022, Номер 56(4), С. 201 - 220

Опубликована: Дек. 5, 2022

UK viticulture is benefitting from climate change with an increase in vineyard area and a move towards French grapevine varieties, primarily Chardonnay Pinot noir, to produce sparkling wine. Doubt remains, however, as how good still wine can be these varieties. The simple Chablis vintage model uses only three climatic indices: mean temperature April September, minimum September (cool night index) total rainfall June September. It was applied the for periods 1981–2000, 2010–2019 and, projections, 2040–2059 locate sites potential high-quality Weather data 1981–2000 were taken Met Office’s HadUK-Grid at resolution of 5 × km, projections derived UKCP18, using intermediate emission scenario RCP 4.5 5th, 50th 95th percentile probabilities. Recent current conditions throughout most unsuitable sustainable production (only 0.2 1.8 % land suitable), but scores corresponded observed some regions England 2018. Under 5th projection 2040–2059, are similar generally sustainable, production. median South East have average year, Central also projection. Overall, expected benefit medium term, up 42.4 possibly climatically (but not necessarily agronomically) suitable by mid-century. does account extreme events, there uncertainty over future inter-annual weather variability, so sustainability Planting clones both wines most-suitable areas would provide flexibility resilience.

Язык: Английский

---

Effects of biodynamic preparations 500 and 501 on vine and berry physiology, pedology and the soil microbiome

OENO One, Год журнала: 2023, Номер 57(1), С. 207 - 216

Опубликована: Фев. 23, 2023

In the pursuit of increasing sustainability, climate change resiliency and independence synthetic pesticides in agriculture, interest consumers producers organic biodynamic farming has been steadily recent decennia. This is, particular, case for vitivinicultural industry Europe, where more are converting from to farming. However, clear scientific evidence showing that improves vine physiology, stress resilience, soil quality related parameters berry or wine is still lacking, despite growing number research studies on this issue. To investigate whether methods have an impact environment, a five-year experiment was set up 2016 commercial vineyard Switzerland. trial, two main preparations 500 501 were applied compared control. Vine physiology (net photosynthesis, vigour, sugar, acids, weight, yield) assessed 2020. Soil physical properties (soil bulk density, water holding capacity, structural stability, macropore volume) analysed 2017-2020, and, fungal communities by DNA-sequencing last year (2020). None showed significant differences throughout duration experiments, except which higher when at one time point. Similarly, soil’s not influenced application all years. Regarding microbiome, neither led diversity nor seemed communities. The present study confirms previous findings different teams did observe between terms observed parameters.

Язык: Английский

---