Australian Journal of Grape and Wine Research最新文献

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Genetic Characterization of Criolla and European Grapevines Recently Found in Chile: A Key Step for Their Rescue and Conservation 最近在智利发现的克里奥拉葡萄树和欧洲葡萄树的遗传特征:拯救和保护葡萄树的关键一步
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-05-23 DOI: 10.1155/2024/4817877
Marco Meneses, María Herminia Castro, Patricio Hinrichsen
{"title":"Genetic Characterization of Criolla and European Grapevines Recently Found in Chile: A Key Step for Their Rescue and Conservation","authors":"Marco Meneses,&nbsp;María Herminia Castro,&nbsp;Patricio Hinrichsen","doi":"10.1155/2024/4817877","DOIUrl":"10.1155/2024/4817877","url":null,"abstract":"<div>\u0000 <p>Genetic erosion of grapevine is becoming a serious worldwide problem and preserving its germplasm is an urgent task. Chile is not an exception to this scenario, where diverse factors led by the replacement of traditional varieties by renown cultivars have reduced the vineyard diversity. Therefore, discovering and characterizing minor varieties were the main objectives of this study. In addition to the official catalogue of around 100 grapevine varieties used to produce wine, we present here 89 genotypes not previously described as present in Chile, widely dispersed in the main wine valleys, which were retrieved from vineyards, small collections, and city gardens. Strikingly, we found 49 grapevines with allele patterns not described before. Ten of these may be old European varieties; the other 39 have allele patterns similar to Criolla varieties (e.g., descendants from the crossing of European varieties born in America). A parentage analysis performed with 15 SSR markers in these 39 N.N. samples revealed that most of them are descendants of the so-called foundational varieties Listán Prieto and Muscat of Alexandria, plus others in lower proportion such as Mollar Cano and Muscat à petit grains blancs, as well as known Criollas varieties such as Italiona and Moscatel Rosado. The 89 genotypes not described in Chile structured in three distinguishable groups: Criolla varieties, Central European varieties, and a third group enriched in Iberic varieties. The prevalence of each Criolla accession was quite variable, some corresponding to a single or a few vines found at a single place, while others were spread in several vineyards, even in different valleys, suggesting they were positively selected and propagated at some time. All the new Criolla varieties were different than the recently described Criollas found in Argentina. The discovery, rescue, and documentation of this rich heritage of <i>Vitis vinifera</i> L. genotypes found in Chile is the first step of a long-term work that should be continued with the evaluation of their enological characteristics, yield, and optimal management systems, aiming for the diversification of the local wine industry.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/4817877","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141102586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Whole Plant Analysis of Chloride and Sodium Exclusion Using a Range of Grapevine Rootstock Genotypes 利用一系列葡萄根茎基因型对氯化物和钠的排出进行全株分析
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-05-17 DOI: 10.1155/2024/5313158
R. R. Walker, D. H. Blackmore, J. D. Dunlevy, P. R. Clingeleffer, A. R. Walker
{"title":"A Whole Plant Analysis of Chloride and Sodium Exclusion Using a Range of Grapevine Rootstock Genotypes","authors":"R. R. Walker,&nbsp;D. H. Blackmore,&nbsp;J. D. Dunlevy,&nbsp;P. R. Clingeleffer,&nbsp;A. R. Walker","doi":"10.1155/2024/5313158","DOIUrl":"10.1155/2024/5313158","url":null,"abstract":"<div>\u0000 <p><i>Background and Aims</i>. Salt exclusion is an important attribute for wine grapes since many countries have limits to the concentration of sodium (Na<sup>+</sup>) and/or chloride (Cl<sup>−</sup>) tolerated in wine. The aim was to investigate whole plant capacity for Na<sup>+</sup> and Cl‾ exclusion and the within-plant partitioning of accumulated ions to better understand these important salt tolerance traits. <i>Methods and Results</i>. Rooted cuttings of 140 Ruggeri and K51-40 (good and poor shoot Cl<sup>−</sup> excluders, respectively) and five hybrids from a cross between the two genotypes were used. When challenged with salinity, 140 Ruggeri limited the accumulation of Cl<sup>−</sup> and Na<sup>+</sup> in the stem, petioles, and laminae and had a significantly lower whole plant concentration of Cl<sup>−</sup> and Na<sup>+</sup> when compared to K51-40. The latter indicates that 140 Ruggeri accumulates less Cl<sup>−</sup> and Na<sup>+</sup> than K51-40 by a lower uptake or a potentially greater efflux by roots, or both. While K51-40 accumulated significantly more Na<sup>+</sup>, it was able to retrieve it from the xylem; store it in the roots, stem, and petiole; and keep the lamina concentration comparable to that of 140 Ruggeri. Petioles of all genotypes appeared to play a role in limiting Cl<sup>−</sup> accumulation in laminae and particularly for K51-40, to limit Na<sup>+</sup> accumulation in laminae. <i>Conclusions</i>. The grapevine capacity for Cl<sup>−</sup> and Na<sup>+</sup> exclusion can be defined primarily as the lower net accumulation on a whole plant basis, reflecting the difference between the uptake and any efflux that may occur. Lower root to shoot transport is a key factor in shoot Cl<sup>−</sup> and Na<sup>+</sup> exclusion. Petiole accumulation assists in limiting the Cl<sup>−</sup> and Na<sup>+</sup> accumulation in the laminae. <i>Significance of the Study</i>. The study addressed the knowledge gap by examining Cl<sup>−</sup> and Na<sup>+</sup> exclusion on a whole plant basis, highlighting a range of within-plant mechanisms that act in limiting the accumulation of both ions in the laminae.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/5313158","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141126981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Winegrape Yield and Revenue Variability in Australia 澳大利亚葡萄产量和收入的变异性
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-05-02 DOI: 10.1155/2024/9992528
Germán Puga, Kym Anderson
{"title":"Winegrape Yield and Revenue Variability in Australia","authors":"Germán Puga,&nbsp;Kym Anderson","doi":"10.1155/2024/9992528","DOIUrl":"10.1155/2024/9992528","url":null,"abstract":"<div>\u0000 <p>While winegrowers usually want to achieve consistent yield targets, there is a high degree of yield and price (and hence gross revenue) variability in winegrape production. The aim of this study was to determine whether there are differences in yield and revenue variability across climates, varieties, and regions in Australia. This was performed by estimating statistical models of the impact of these three variables on the coefficient of variation of yield and gross revenue per hectare. The results suggest that hotter and drier regions exhibit lower interannual yield variability, something that in the past may have been largely explained by the use of irrigation, but which may change in the future with climate change and higher water prices. The results also showed that there are sometimes differences in yield and revenue variability, not only across regions, but also between varieties.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/9992528","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141021046","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Influence of Prefermentation Skin Contact, Stabulation, and Skin Fermentation on the Aromatic Behaviour and Phenolic Compounds of Important Austrian White Wine Cultivars 发酵前的表皮接触、稳定和表皮发酵对奥地利重要白葡萄酒品种的芳香行为和酚类化合物的影响
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-04-15 DOI: 10.1155/2024/9843225
Christian Philipp, Phillip Eder, Sezer Sari, Karin Korntheuer, Reinhard Eder
{"title":"The Influence of Prefermentation Skin Contact, Stabulation, and Skin Fermentation on the Aromatic Behaviour and Phenolic Compounds of Important Austrian White Wine Cultivars","authors":"Christian Philipp,&nbsp;Phillip Eder,&nbsp;Sezer Sari,&nbsp;Karin Korntheuer,&nbsp;Reinhard Eder","doi":"10.1155/2024/9843225","DOIUrl":"10.1155/2024/9843225","url":null,"abstract":"<div>\u0000 <p>Many varietal aromas of wine are located in the berry skin. In the present study, we evaluated four important Austrian grape varieties: Grüner Veltliner, Sauvignon Blanc, Traminer, and Pinot Blanc. We assessed whether prefermentation skin contact, fermentation with the skin (only for Grüner Veltliner), and stabulation (lees stirring; only for Sauvignon Blanc, Traminer, and Pinot Blanc) could enhance the varietal aromas of the different grape cultivars. The aim was to intensify the varietal aromas without extracting the undesirable phenols. We performed a detailed analytical characterisation of approximately 100 volatile and phenolic compounds as well as a sensory characterisation. Although mash fermentation significantly increased the spicy aromas of Grüner Veltliner, which are affected by climate change (especially the sesquiterpene rotundone), it markedly decreased the fruitiness and increased the bitterness; therefore, it cannot be recommended for this cultivar. For Sauvignon Blanc, stabulation is a possible option; the varietal aromas (thiols and methoxypyrazines) were increased in the final wines of these variants. For Pinot Blanc and Traminer, prefermentation skin contact yielded the best results: for Traminer, it produced the highest content of monoterpenes (especially z-rose oxide), and for Pinot Blanc, it produced the highest content of ethyl esters. To summarise, stabulation will not completely replace classic skin contact, and mash fermentation is certainly not an alternative for the production of standard Grüner Veltliner wine. However, additional investigations are necessary with regard to other grape varieties, terroirs, and vintages before we can make final recommendations.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/9843225","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140703585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rootstocks for Grapevines Now and into the Future: Selection of Rootstocks Based on Drought Tolerance, Soil Nutrient Availability, and Soil pH 现在和未来的葡萄砧木:根据耐旱性、土壤养分可用性和土壤 pH 值选择砧木
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-04-09 DOI: 10.1155/2024/6704238
Yipeng Chen, Yanan Fei, Kate Howell, Deli Chen, Peter Clingeleffer, Pangzhen Zhang
{"title":"Rootstocks for Grapevines Now and into the Future: Selection of Rootstocks Based on Drought Tolerance, Soil Nutrient Availability, and Soil pH","authors":"Yipeng Chen,&nbsp;Yanan Fei,&nbsp;Kate Howell,&nbsp;Deli Chen,&nbsp;Peter Clingeleffer,&nbsp;Pangzhen Zhang","doi":"10.1155/2024/6704238","DOIUrl":"10.1155/2024/6704238","url":null,"abstract":"<div>\u0000 <p>Rootstocks are used in viticulture to manage plant pests and diseases, particularly phylloxera and root-knot nematodes, and to improve grape and wine production. A wide range of rootstocks are commercially available, making selecting the optimal rootstock a difficult decision. In particular, distinct rootstock genotypes may manifest varying degrees of tolerance or resistance to abiotic stress, necessitating meticulous consideration during the rootstock selection process. This article reviews characteristics of various commercial rootstocks, as well as rootstocks being developed in recent years. This review further discusses responses of rootstocks to drought, soil nutrients, and soil pH. This review mainly focuses on influence of rootstocks on physiology characteristics of grafted scions rather than berry yield and quality. The breadth of this review benefits both researchers and practitioners by providing comprehensive summery of rootstocks to inform selection and to guide future research.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/6704238","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140724856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Minerality in Wine: Textual Analysis of Chablis Premier Cru Tasting Notes 葡萄酒中的矿物质:夏布利顶级酒庄品酒笔记的文本分析
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-02-29 DOI: 10.1155/2024/4299446
Alex J. Biss, Richard H. Ellis
{"title":"Minerality in Wine: Textual Analysis of Chablis Premier Cru Tasting Notes","authors":"Alex J. Biss,&nbsp;Richard H. Ellis","doi":"10.1155/2024/4299446","DOIUrl":"10.1155/2024/4299446","url":null,"abstract":"<div>\u0000 <p>The term minerality is often used to describe high-quality still white wines produced in cooler regions, such as Chablis. What minerality means in sensory terms and what is responsible for its presence is the subject of debate, however. This study explored the concept of minerality by analysing 16,542 Chablis Premier Cru tasting notes entered into CellarTracker between 2003 and 2022 on wines three to seven years old, together with weather, topography, and soil data for the Chablis area. The top three words used to describe Chablis Premier Cru wine were citrus, minerality, and acidity. Mentions of minerality declined between 1999 and 2019 vintages, whereas those of acidity, salinity, floral, orchard fruit, and stone fruit increased. The trends for minerality and salinity were slightly stronger with the year of tasting (2005 to 2022) than vintage. Bigram analysis indicated that consumers were more than 1.5 times as likely to refer to a stony kind of minerality as a saline one and only rarely smoky minerality. Use of the term minerality was correlated with growing season temperature and sunshine hours (negatively with each), as well as vineyard aspect (negatively with percentage vineyard area facing South or South-West), but not with Kimmeridgian soil type. The results imply that soils and geology are not a principal source of minerality in Chablis wine, but growing season warmth and sunshine are relevant to minerality. There is no simple explanation of minerality in Chablis wine; however, the recent decline in the use of this term for Chablis wine may be a consequence of three factors in combination: (i) it has become less fashionable; (ii) consumers are choosing “saline” instead of “mineral” when appropriate, but retaining it for “stony” sensations; and/or (iii) warming from climate change has reduced minerality.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/4299446","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140415068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Techno-Economic Feasibility of Solar Water Heating Systems in the Winemaking Industry 酿酒业太阳能热水系统的技术经济可行性
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-01-30 DOI: 10.1155/2024/6686122
José L. García, Fátima Baptista, Alicia Perdigones, Juan Lizcano, Fernando R. Mazarrón
{"title":"Techno-Economic Feasibility of Solar Water Heating Systems in the Winemaking Industry","authors":"José L. García,&nbsp;Fátima Baptista,&nbsp;Alicia Perdigones,&nbsp;Juan Lizcano,&nbsp;Fernando R. Mazarrón","doi":"10.1155/2024/6686122","DOIUrl":"10.1155/2024/6686122","url":null,"abstract":"<div>\u0000 <p>The present work analyzes the feasibility of using solar water heating systems (SWHS) to supply the hot water required in the winemaking industries. The hot water demand of the sector was characterized by selecting patterns that encompass the wide range of existing casuistry. After determining the production potential of the SWHS by using an experimental system, 22500 energy simulations were carried out, combining different locations, energy prices, and prices of the necessary investment. The results demonstrate that the seasonality and irregularity of a winery’s demand pattern drastically condition the viability and profitability of SWHS. In wineries with high demand, which are relatively uniform throughout the year, the solar system with optimized design achieves energy consumption reductions between 32% (low radiation) and 52% (high radiation), with payback between 4.3 and 7.2 years. On the other hand, in wineries with highly seasonal consumption, SWHS are not profitable even in very favorable cases.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/6686122","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140483138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of Cluster Thinning on Wine Grape Yield and Fruit Composition: A Review and Meta-Analysis 果穗疏剪对酿酒葡萄产量和果实成分的影响:综述与元分析
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-01-24 DOI: 10.1155/2024/2504396
Joshua VanderWeide, Esmaeil Nasrollahiazar, Steve Schultze, Paolo Sabbatini, Simone Diego Castellarin
{"title":"Impact of Cluster Thinning on Wine Grape Yield and Fruit Composition: A Review and Meta-Analysis","authors":"Joshua VanderWeide,&nbsp;Esmaeil Nasrollahiazar,&nbsp;Steve Schultze,&nbsp;Paolo Sabbatini,&nbsp;Simone Diego Castellarin","doi":"10.1155/2024/2504396","DOIUrl":"10.1155/2024/2504396","url":null,"abstract":"<div>\u0000 <p>For wine grape producers, achieving an optimal balance between vegetative and reproductive growth is a key factor in producing high quality fruit and meeting production quotas. This balance is often measured as the leaf-area-to-yield ratio. To increase this ratio, producers often use “cluster thinning” (CT), a management practice involving a selective removal of grape clusters from vines. Despite this, no consensus has been established regarding the optimal CT timing and severity for consistently improving fruit composition. The objective of this work was to identify whether CT “timing” (bloom, pea-size, lag phase, and veraison) or “severity” (15–35%, 36–55%, and 56–75%) influences yield and fruit composition. To achieve this objective, a meta-analysis of 160 publications on CT in grape was reduced to 78 studies via 10 data curation steps. We reported the influence of CT timing and severity on yield and fruit composition, as well as their impact on the yield-fruit composition tradeoff. First, CT timing showed little influence on fruit composition, which provides producers with greater flexibility when using this practice. Second, CT severity was impactful on improving fruit composition (TSS and pH); only the moderate range (36–55%) was effective. In conclusion, wine grape composition is more influenced by CT severity than timing. This work has important implications for grape producers and their approach to improving grape composition.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/2504396","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139601021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Weather Variables for Within-Vineyard Awareness of Botrytis Risk 葡萄园内对灰霉病风险认识的天气变量
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-01-24 DOI: 10.1155/2024/6630039
K. J. Evans, A. J. G. Pirie
{"title":"Weather Variables for Within-Vineyard Awareness of Botrytis Risk","authors":"K. J. Evans,&nbsp;A. J. G. Pirie","doi":"10.1155/2024/6630039","DOIUrl":"10.1155/2024/6630039","url":null,"abstract":"<div>\u0000 <p><i>Background and Aims</i>. Botrytis bunch rot (BBR) in cool temperate climates is a key constraint to the consistent supply of grapes to winery specifications. BBR severities have been correlated with specific environmental conditions; however, data-driven applications intended to support crop protection decisions are restricted in access and/or of unknown commercial value. The aims of this study were to evaluate variables providing within-vineyard awareness of BBR risk in Riesling vines. <i>Methods and Results</i>. Descriptors of BBR epidemics from eight site years, 2009–2014, were developed for vine areas of ∼0.5 ha within two regions of Tasmania with different climates. Two variables using the daily Bacchus index, from crop stage E-L 19 to E-L 31 or 34, accounted for &gt;80% of the variance in the final mean BBR severity. A BBR risk index (BBR-I), incorporating the mean daily Bacchus index from E-L 19 to E-L 31 and the median daily vapour pressure deficit of air at 15 : 00 during the late-season interval, accounted for up to 99.5% of the variance in the final mean BBR severity. The late-season interval (days) or median daily RH (%) at 15:00 in the same period accounted for 86.4 or 83.3% of the variance. Spatial variability of BBR severity mapped in 4.8 ha of Sauvignon Blanc in 2018-19 confirmed the need to apply BBR risk indicators at an appropriate spatial scale. <i>Conclusions</i>. Environmental variables with biological relevance served as indicators of BBR risk at the study sites and have the potential to discriminate BBR risk among production regions in Tasmania. <i>Significance of the Study</i>. Study findings are expected to support the development of applications that raise awareness of BBR risk at an appropriate spatial scale for in-season adaption of crop protection, diagnosis of crop protection efficacy, and/or site selection decisions. Accompanying formulae with sample data in Microsoft® Excel will support transitions to automated data analyses.</p>\u0000 </div>","PeriodicalId":8582,"journal":{"name":"Australian Journal of Grape and Wine Research","volume":"2024 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2024-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1155/2024/6630039","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139600987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Climate Change Affects Choice and Management of Training Systems in the Grapevine 气候变化影响葡萄种植培训系统的选择和管理
IF 2.8 3区 农林科学
Australian Journal of Grape and Wine Research Pub Date : 2024-01-03 DOI: 10.1155/2024/7834357
Filippo Del Zozzo, Stefano Poni
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