关键词: 玉米（Zea mays L.）, 达美5号, 高产, 优质, 抗病, 选育, 特性分析, 栽培技术

Abstract: Damei No.5 is a new maize （Zea mays L.） variety bred by Shiyan Academy of Agricultural Sciences and Huazhong Agricultural University using inbred lines HZ1711 as the female parent and Q4-2 as the male parent. The average yield of regional trials in 2021 and 2022 was 9 950.85 kg/hm²,which was 8.53% higher than that of the control variety Huayu 11, and had characteristics of high and stable yield, broad tolerance, good quality,high yield of seed production. It was approved by Hubei Crop Variety Approval Committee in 2022. The breeding process, characteristics, resistance, grain quality and yield performance of the maize variety were summarized, and the key points of cultivation and seed production technology were introduced to provide reference for the application and promotion of the variety.

Key words: maize（Zea mays L.）, Damei No.5, high yield, good qulity, disease resistance, breeding, characteristic analysis, cultivation techniques