佳昌309系以Y03为母本,与Y09杂交自主育成的玉米新品种。主要表现为高产、稳产,品质优,种植范围广,株型半紧凑,根系发达,商品品质优良等特点,适宜于辽宁省各地种植。基于此,本研究介绍其选育过程、选育结果、制种技术及栽培技术要点,为推广该品种提供依据。 Jiatechang 309 is a new maize cultivar with Y03 as the female parent and Y09 hybrid. Mainly for high yield, stable yield, good quality, wide range of planting, semi-compact plant type, developed root system, good quality and other characteristics of goods, suitable for planting in Liaoning Province. Based on this, this study introduced the breeding process, breeding results, seed production techniques and cultivation techniques, to provide the basis for the promotion of the variety.