Résumé
Dataset for germination of Hemileia vastatrix spores, causing coffee leaf rust disease, under varying combinations of temperature and atmospheric CO2 in controlled conditions (in phytotrons), testing thirty combinations of temperatures, ranging from 16°C to 32°C, and atmospheric CO2 concentrations, ranging from 181 to 707 ppm. H. vastatrix spores were collected in a coffee plot (-1.169790, 36.805224) in Kiambu County, Kenya, from October 2022 to December 2023