Phenological Developement of Vitis Vinifera L. In Castilla - La Mancha (Spain). Study of 21 Cultivars (10 Red and 11 White Cultivars)

Jiménez, Juan Carlos Melgar; Ruiz, Vicente Sotés

doi:10.17660/actahortic.1995.388.15

Cited by 6 publications

(4 citation statements)

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“…However, although a physiological threshold temperature seems to exist, the best predictor was found to be a model that uses no threshold temperature, similar to the findings of Jimenez and Ruiz (1995). The reason for the further decrease in CV at threshold temperatures below the physiologically effective temperature may be purely mathematical in nature and could result from the effect of comparing an increasing mean against unaltered standard deviations.…”

Section: Predicting Bud Breaksupporting

confidence: 57%

Grapevine bud break prediction for cool winter climates

Nendel

2009

Int J Biometeorol

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Statistical analysis of bud break data for grapevine (Vitis vinifera L. cvs. Riesling and Müller-Thurgau) at 13 sites along the northern boundary of commercial grapevine production in Europe revealed that, for all investigated sites, the heat summation method for bud break prediction can be improved if the starting date for the accumulation of heat units is specifically determined. Using the coefficient of variance as a criterion, a global minimum for each site can be identified, marking the optimum starting date. Furthermore, it was shown that the application of a threshold temperature for the heat summation method does not lead to an improved prediction of bud break. Using site-specific parameters, bud break of grapevine can be predicted with an accuracy of +/- 2.5 days. Using average parameters, the prediction accuracy is reduced to +/- 4.5 days, highlighting the sensitivity of the heat summation method to the quality and the representativeness of the driving temperature data.

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Section: Predicting Bud Breaksupporting

confidence: 57%

Grapevine bud break prediction for cool winter climates

Nendel

2009

Int J Biometeorol

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“…Jones and Davis (2000b) also found that degree-days do not readily predict phenological timing, yield, or quality in Bordeaux, France. Jimenez and Ruiz (1995) also note that using accumulated degree-days above 0°C or the number of days between events is a better predictor of phenology on average than degree-days above a 10°C threshold. Jimenez and Ruiz (1995) also note that using accumulated degree-days above 0°C or the number of days between events is a better predictor of phenology on average than degree-days above a 10°C threshold.…”

Section: Phenology Yield and Quality Interactionsmentioning

confidence: 88%

Phenology: An Integrative Environmental Science

Schwartz¹

2003

Tasks for Vegetation Science

283

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“…But the productivity of the vineyard and the fruit quality could diminish as a consequence of the shorter growing period (Jimenez and Sotes 1995).…”

Section: Discussion and Final Remarksmentioning

confidence: 99%

Climatic trends and impact of climate change on agriculture in an arid Andean valley

et al. 2011

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Little is known about climate change and its impacts for the arid coastal and mountainous regions in northern Chile. The Elqui river basin, part of the Norte Chico of Chile between 27ºS and 33ºS latitude, is located south of the hyper-arid Atacama desert. Despite water scarcity, agricultural development in this region has been enhanced by agronomic practices and the marketing of valuable products. This paper characterizes the actual climate conditions and presents an overview and analyses of past climate variability, and future possible climate trends, emphasizing those relevant to agriculture. Precipitation shows an important decrease during the first decades of the past century. Runoff shows decreasing trends for the first half of the past century and increases for 1960 to 1985. Drought appears to be increasing. Statistical downscaling was accomplished using the Long Ashton Research Station Weather Generator. Both future periods of 2011 to 2030 and 2046-65 showed trends to higher minimum and maximum temperature. The number of hot days (maximum temperature greater than or equal to 30°C) has a strong increasing trend during

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Phenological Developement of Vitis Vinifera L. In Castilla - La Mancha (Spain). Study of 21 Cultivars (10 Red and 11 White Cultivars)

Cited by 6 publications

References 0 publications

Grapevine bud break prediction for cool winter climates

Grapevine bud break prediction for cool winter climates

Phenology: An Integrative Environmental Science

Climatic trends and impact of climate change on agriculture in an arid Andean valley

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