The identification dataset of commercial corn varieties in the summer corn growing area of North China's four provinces in 2021 and 2022

This dataset offers data information on 27 key characteristics, including growth period, plant height, resistance, and yield, for 188 commercial maize varieties cultivated in the summer maize regions of China’s four provinces. The data are provided with daily time resolution and spans the years 2021 and 2022. The data collection and processing process strictly adheres to measurement instrument data quality control and standards. The data are publicly available at a regional scale, aiming to support the exploration and utilization of superior maize germplasm resources across various maize production regions.

本数据集收录了中国4省份夏玉米主产区种植的188个商用玉米品种的27项关键性状数据，涵盖生育期、株高、抗逆性与产量等指标。该数据采用日度时间分辨率采集，时间跨度为2021年至2022年。数据采集与处理流程严格遵循测量仪器数据质控规范及相关标准。本数据集按区域尺度公开，旨在为各玉米主产区的优质玉米种质资源发掘与利用提供支撑。