How many brands are there in Zheng Dan 958?
Three. According to the inquiry of Zheng Dan 958, 958 * * has three brands: Shouhe Zheng Dan 958 corn seed, Yanjihui Zheng Dan 958 corn seed and Zheng Dan 958 national trial corn seed, with high germination rate. Zheng Dan 958 is a mid-early maturing maize single cross bred by crossing Zheng 58 as female parent and Chang 7-2 as male parent.