Arid
DOI10.1007/s11119-015-9418-5
Spatial variability of phenology in two irrigated grapevine cultivar growing under semi-arid conditions
Verdugo-Vasquez, N.1; Acevedo-Opazo, C.1; Valdes-Gomez, H.1; Araya-Alman, M.1; Ingram, B.2; de Cortazar-Atauri, I. Garcia3; Tisseyre, B.4
通讯作者Acevedo-Opazo, C.
来源期刊PRECISION AGRICULTURE
ISSN1385-2256
EISSN1573-1618
出版年2016
卷号17期号:2页码:218-245
英文摘要

Knowledge and monitoring of the grapevine phenology during the season are important requirements for characterization of productive regions, climate change studies and planning of various production activities at the vine field scale. This work aims at studying the spatial variability of grapevine phenology at the within field scale. It was conducted on two fields, one of cv Cabernet Sauvignon of 1.56 ha and the other of cv Chardonnay of 1.66 ha, both located in Maule Valley, Chile. Within each vine field, a regular sampling grid was designed, to carry out weekly measurements of phenology and maturation. The main results show that there is a significant spatial variability in the phenological development and maturation at the within field scale for both fields. This variability is spatially organised and temporally stable from the beginning of the season (post-budburst) to harvest and over the years. A cluster analysis allowed us to define two clearly contrasted zones in terms of phenology and maturation in both fields, explained by the microclimate. The magnitude of difference between zones varied from 4 to 9 days depending on phenological stages and from 5 to 43 days for maturation. These differences are similar and comparable to that observed at larger scales or under scenarios of climate change. These results highlight the necessity to better take into account this variability to improve sampling and to base decisions of production activities (spraying, harvest, pruning, etc.) application on more relevant information. Further investigations should determine the environmental factors that determine the observed spatial variability.


英文关键词Vitis vinifera Berry maturity Within field variability Temporal variability Management zones Climate change
类型Article
语种英语
国家Chile ; France
收录类别SCI-E
WOS记录号WOS:000371641100007
WOS关键词VITIS-VINIFERA L. ; WINEGRAPE PRODUCTION SYSTEMS ; UNDERSTANDING VARIABILITY ; CABERNET-SAUVIGNON ; VINEYARD VARIATION ; VEGETATIVE GROWTH ; POWDERY MILDEW ; CLIMATE-CHANGE ; BERRY GROWTH ; WATER STATUS
WOS类目Agriculture, Multidisciplinary
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195722
作者单位1.Univ Talca, Fac Ciencias Agr, CITRA, 2 Norte, Talca 685, Chile;
2.Univ Talca, Fac Ingn, Camino Los Niches Km 1, Curico, Chile;
3.INRA, US AGROCLIM 1116, F-84914 Avignon, France;
4.UMR ITAP, Montpellier SupAgro Irstea, Bat 21,2 Pl Pierre Viala, F-34060 Montpellier, France
推荐引用方式
GB/T 7714
Verdugo-Vasquez, N.,Acevedo-Opazo, C.,Valdes-Gomez, H.,et al. Spatial variability of phenology in two irrigated grapevine cultivar growing under semi-arid conditions[J],2016,17(2):218-245.
APA Verdugo-Vasquez, N..,Acevedo-Opazo, C..,Valdes-Gomez, H..,Araya-Alman, M..,Ingram, B..,...&Tisseyre, B..(2016).Spatial variability of phenology in two irrigated grapevine cultivar growing under semi-arid conditions.PRECISION AGRICULTURE,17(2),218-245.
MLA Verdugo-Vasquez, N.,et al."Spatial variability of phenology in two irrigated grapevine cultivar growing under semi-arid conditions".PRECISION AGRICULTURE 17.2(2016):218-245.
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