“超级小麦90(6)-21”是由我国著名小麦育种专家沈天民在选育特大粒小麦“86(79)”期间,用墨西哥国际玉米改良中心的黑麦草为母本,豫麦2号为父本,寻求选育出六倍体黑小麦,再进行复合交与定向筛选,历经17年的努力而育成的超大穗、超高产小麦新品系,原系谱号为90(6)—21—20—1。它有如下显著特点:1.株型理想典型竖叶、独秆、大穗、多粒型小麦,半冬性、中熟,株高75～80厘米,叶色深绿,株型紧凑,叶片宽、短、厚,色深卷曲上举。极抗倒伏。叶片功能期 “Super Wheat 90 (6) -21” was developed by Shen Tianmin, a famous wheat breeding expert in China, during the selection of extra large grain wheat “86 (79)” with the rye grass of Mexico International Corn Improvement Center Wheat 2 as the male parent, seeking to breed six-year-old black wheat, and then compound and targeted screening, after 17 years of hard work and bred super-spike, super high-yield wheat lines, the original pedigree number 90 (6) -21-20-1. It has the following salient features: 1. The plant type ideal vertical leaves, single stalk, big spike, multi-grain wheat, semi-winter, medium maturity, height 75-80 cm, dark green leaves, plant compact, Wide, short, thick, dark crimp on the move. Extreme lodging. Leaf functional period