Abstract
The data set contains a portion of the International Heat Stress Genotype Experiment (IHSGE) data used in the AgMIP-Wheat project to analyze the uncertainty of 30 wheat crop models and quantify the impact of heat on global wheat yield productivity. It includes two spring wheat cultivars grown during two consecutive winter cropping cycles at hot, irrigated, and low latitude sites in Mexico (Ciudad Obregon and Tlaltizapan), Egypt (Aswan), India (Dharwar), the Sudan (Wad Medani), and Bangladesh (Dinajpur). Experiments in Mexico included normal (November-December) and late (January-March) sowing dates. Data include local daily weather data, soil characteristics and initial soil conditions, crop measurements (anthesis and maturity dates, anthesis and final total above ground biomass, final grain yields and yields components), and cultivar information. Simulations include both daily in-season and end-of-season results from 30 wheat models. All data are available via DOI 10.7910/DVN/CJJBSR.
Highlights
Mean of crop measurements have been reported in tabular format in CIMMYT internal reports (Reynolds et al, 1992, 1994a), with the exception of the experiment in Egypt, which has not been previously reported and it is here reported for the first year of the International Heat Stress Genotype Experiment (IHSGE)
The data set contains a portion of the International Heat Stress Genotype Experiment (IHSGE) data used in the AgMIP-Wheat project to analyze the uncertainty of 30 wheat crop models and quantify the impact of heat on global wheat yield productivity
The field experimental data were selected from the four-year International Heat Stress Genotype Experiment (IHSGE) to cover the full range of temperature of the global network of field experiments
Summary
The original purpose of this data set was to support model intercomparisons and improvements (Asseng et al, 2015; Maiorano et al, 2017) as part of the Agricultural Model Intercomparison and Improvement Project (AGMIP, http://www.agmip.org/; Rosenzweig et al, 2013). The field experimental data were selected from the four-year International Heat Stress Genotype Experiment (IHSGE) to cover the full range of temperature of the global network of field experiments. The IHSGE was carried out as part of a collaboration between CIMMYT and key national agricultural research system partners in warm wheat growing environments to identify important physiological traits that have value as predictors of wheat yield at high temperatures (Reynolds et al 1994b)
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