2003
DOI: 10.1051/agro:2002068
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Testing a predicting model for frost resistance of winter wheat under natural conditions

Abstract: The current knowledge of the winter frost hardiness and of the hardening and dehardening process of wheat (Triticum aestivum L. Thell.) makes it possible to elaborate a prediction model, including the genotype, the growth stage of the plant, the temperatures allowing hardening, and the speed and duration of hardening and dehardening. For each of these factors, several hypotheses were considered. Combination of these different hypotheses led to 24 potential models. Each of them was tested with data obtained und… Show more

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Cited by 23 publications
(47 citation statements)
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References 18 publications
(52 reference statements)
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“…The crop model simulates a frost stress index for various combinations of the main traits of the pea crop, following the approach that was successfully implemented by Lecomte et al (2003) for winter wheat. The main parameters of the crop model account for both varietal (frost resistance, acclimation rate and development stage) and cultural (date of sowing) pea traits.…”
Section: Frost Stress Crop Model and Pea Parametersmentioning
confidence: 99%
See 2 more Smart Citations
“…The crop model simulates a frost stress index for various combinations of the main traits of the pea crop, following the approach that was successfully implemented by Lecomte et al (2003) for winter wheat. The main parameters of the crop model account for both varietal (frost resistance, acclimation rate and development stage) and cultural (date of sowing) pea traits.…”
Section: Frost Stress Crop Model and Pea Parametersmentioning
confidence: 99%
“…2). This station is located at 879 m altitude in the Jura mountains, near the cold pole in France (see Lecomte et al, 2003 for further description). The harsh conditions in this station make possible to observe regular frost damage on crops.…”
Section: Frost Stress Crop Model and Pea Parametersmentioning
confidence: 99%
See 1 more Smart Citation
“…As for the temporal evolution of the median lethal temperature, LT 50, two models are available for winter wheat: the model of Bergjord et al (2008) (which represent an evolution of the model of Fowler et al, 1999) and the model of Lecomte et al (2003). In both models, the rate of change of LT 50 is determined as the net effect of hardening and dehardening.…”
Section: Reconstruction Of the Temporal Evolution Of The Survival Funmentioning
confidence: 99%
“…Nevertheless, few existing crop models account in full for winter conditions and their effects on the performance of staple overwintering crops, such as winter wheat. Some currently available models focus on variety-specific low temperature tolerance and how it evolves during the winter (e.g., for winter wheat, Bergjord et al, 2008;Fowler et al, 1999;Gholipoor, 2008;Lecomte et al, 2003). Far fewer studies quantify the risk of winter damage over several years (see Gholipoor, 2008 for an example).…”
Section: Introductionmentioning
confidence: 99%