This was taken as the father and cross-fertilized with Shuho, which was born from Norin No.6/Futaba, and in 1960 and it was named after the year of Showa.
これを父本とし、農林6号/双葉から生まれた秀峰を母本として1960年に交配され、昭和の年度をつけて命名された。