What kind of corn? 22 rows of purple stems and leaves. Deep horse tooth accumulated temperature 2800

Jinhe 987 and Jinhe 899. Jinhe 987, spring sowing 127/ 128 days, summer sowing for 98 days, effective accumulated temperature of 2800℃, plant height of 2.7 meters, ear position1.2 meters, ear length of 26 cm, and ear rows of 20/22 rows. Jinhe 899, newly approved in 2022, was planted in 6 provinces, with spring 127 days and summer 95 days. The accumulated temperature is 2650℃, the plant height is 2.6m, the ear position 1 m, the number of rows per ear is 20/22, and the ear length is 28/30cm, which is barrel-shaped.