“成都602”系四川省农科院作物所1986年用自选的普通玉米自交系5388与墨西哥野生玉米杂交育成。樟树市农科所1989年引进,分别在水稻田、旱地、丘陵红壤分批播种,以观察其在我省的适应性和丰产性。第一批于3月31日播种在塑料大棚内、4月23日移栽;第二批4月12日播种,5月2日移栽;第三批于5月20日播种,6月14日移栽。 “Chengdu 602” Department of Sichuan Academy of Agricultural Sciences Crops in 1986 with the optional ordinary corn inbred 5388 and Mexico wild corn breeding. Introduced in 1989, Zhangshu Academy of Agricultural Sciences, sowed in paddy fields, dry land, hilly red soil in batches to observe its adaptability and high yield in our province. The first batch was sown in plastic shed on March 31 and transplanted on April 23; the second batch was sown on April 12 and transplanted on May 2; the third batch was sown on May 20 and June 14 Transplanting day.