葡萄园空间结构的关键土壤,葡萄和果实指标是层次相关的

IF 2.2 3区 农林科学 Q3 FOOD SCIENCE & TECHNOLOGY
Alessandro Mataffo, Boris Basile, Vinay Pagay
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引用次数: 0

摘要

了解葡萄园的空间结构可以通过精确的葡萄栽培方法,有针对性地应用投入,从而帮助优化葡萄生产,最终提高葡萄酒质量。研究人员以位于巴罗萨河谷的南澳大利亚设拉子葡萄园为研究对象,在2022/23年季节对不同土壤、葡萄和果实参数(包括产量和葡萄成分)的空间依赖性进行了研究。我们的目的是研究葡萄园地块内空间结构与土壤和藤蔓指标之间的相互依赖关系,包括不同土壤湿度条件下黎明前的叶片水势、中午的茎水势和叶片气体交换。每个参数的地图使用114个空间分离的数据点生成每个变异图。在收获时测量产量成分,并在收获时评估整个葡萄园在同一点的果实成分。土壤参数比葡萄参数(如叶片气体交换、茎水势)具有更强的空间结构,因此被认为是葡萄园整体变异的更好预测指标。给定土壤或藤蔓参数的空间变异格局受到影响其潜在参数的空间格局的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Vineyard Spatial Structures of Key Soil, Vine and Fruit Metrics Are Hierarchically Associated

Vineyard Spatial Structures of Key Soil, Vine and Fruit Metrics Are Hierarchically Associated

Understanding vineyard spatial structure can help optimise grape production and ultimately wine quality by targeting the application of inputs through precision viticulture methods. We explored the spatially dependent variability of various soil, vine and fruit parameters, including yield and grape composition, in a South Australian Shiraz vineyard located in the Barossa Valley during the 2022/23 season. Our aim was to investigate the interdependencies between spatial structures within a vineyard block as related to soil and vine metrics, including predawn leaf water potential, midday stem water potential and leaf gas exchange under different soil moisture conditions. Maps of each parameter were produced using 114 spatially separated data points per variogram. Yield components were measured at harvest, and fruit composition was assessed at harvest across the vineyard at the same points. Soil parameters were found to have stronger spatial structure than vine parameters (e.g., leaf gas exchange, stem water potential) and were therefore deemed to be better predictors of overall vineyard variability. The pattern of spatial variability of a given soil or vine parameter was influenced by the spatial pattern of the underlying parameters that influence it.

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来源期刊
CiteScore
5.30
自引率
7.10%
发文量
35
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.
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