Abstract:‘J inyinsu 2’ is an earlymaturity, good quality three-way hybrid of sweet corn developed by crossing ( PY10 ×PB22) as a female parent with UPA2 as a male parent. The hybrid grows strongly with resistance to diseases and lodging. The cylindrical ear is about 350 - 400 g in weight and 20.3 cm in length.The kernels are bi-color, uniform and crisp with 17.39% - 18.68% soluble sugar. The hybrid is suitable for cultivation in south China, and common output amount is 14 - 15 t/hm2.