铁春2号(原代号7753)。是辽宁省铁岭市农科所,用铁春1号姊妹系(7321-1-1-3-4-3)为母本,辽29为父本,进行有性杂交,经8个世代系统选育成的春小麦新品种。1990年经辽宁省品种审定委员会命名,正式推广。特征特性铁春2号是特早熟春麦品种。在铁岭地区生育期75天左右,6月底成熟,比铁春1号早熟5～7天。为光、温累积性反应型,适应性较广。株高70厘米左右,幼苗直立,株型紧凑。叶色深绿微有蜡被,白叶耳,剑叶上冲。穗纺锤形、长芒、白壳,红粒卵圆型,每穗30粒左右,千粒重32～40克, Iron Spring 2 (original code 7753). Tieling City, Liaoning Province, agricultural science institute, with Tiechun No. 1 sister system (7321-1-1-3-4-3) as the female parent, Liao 29 as the male parent, for sexual cross, the eight generations of system selection Bred new spring wheat varieties. In 1990 by the Liaoning Provincial Committee approved the name of species, the official promotion. Features Tieshuang No. 2 is a special precocious spring wheat varieties. In Tieling region about 75 days of growth period, mature by the end of June, than the iron spring 1 premature 5-7 days. For the light, warm accumulation of reactive type, a wide range of adaptability. Height of about 70 cm, seedlings upright, compact plant type. Dark green leaves a little wax, white ear, sword leaves on the red. Spindle spindle, long-mans, white shell, red oval, about 30 grains per spike, grain weight 32 to 40 grams,