济南市种子公司于1996年选育出两个中晚熟茄子新品种——济丰4号、济丰5号,并于2000年5月通过山东省农作物品种审定委员会审定,可在山东作露地茄子品种推广利用。1997～2000年在安徽省宿州市,河南省郑州市、商丘市,海南省三亚市试验,均表现抗病、丰产。由于其广泛的适应性与较强的抗性等自身特点,经多年、多点试验证明,该品种可作春秋露地、秋延迟以及各种类型的保护地栽培。 Jinan City Seed Company in 1996 bred two new varieties of late maturing eggplant - Ji Feng 4, Ji Feng 5, and in May 2000 through the Shandong Provincial Crop Variety Approval Committee validation, Shandong can be field to reveal eggplant Variety promotion and utilization. In 1997 ~ 2000 in Suzhou City, Anhui Province, Zhengzhou City, Henan Province, Shangqiu City, Sanya City, Hainan Province, were tested, disease resistance, high yield. Due to its broad adaptability and strong resistance and other characteristics of its own, after many years of trial proved that the variety can be used for spring and autumn, late autumn and various types of protected cultivation.