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水稻铁粳2号品种来源:铁岭市农科所于1972年用“京引83”为母本、“京引177”为父本杂交系选育成,原品系代号7207-22-2-4。特征特性:株高约85厘米,株型紧凑。平均每穴19穗,每穗约64粒,结实率87.1%,千粒重26.2克,糙米率82.8%,米质好。矮秆多穗,耐肥抗倒,抗稻瘟病,耐寒性强。生育期约146天。一般亩产450公斤,可比早熟品种京引127增产10%以上。栽培要点:可适当密植,行距27厘米,穴距10厘米。每亩施硫铵55公斤,磷肥40公斤。
Tiejin City, Institute of Agricultural Sciences in 1972 with “Beijing cited 83” as the female parent, “Beijing cited 177” as the male parent cross-breeding system, the original system code 7207-22-2-4. Features: Height of about 85 cm, compact plant type. Average spike 19 per spike, about 64, 87.1% seed set, grain weight 26.2 grams, brown rice rate of 82.8%, good quality rice. Dwarf and more spike, resistant to lodging, blast resistance, cold tolerance. The growth period of about 146 days. General mu produce 450 kilograms, comparable to precocious varieties Beijing cited 127 yield more than 10%. Cultivation points: May be appropriate close planting, row spacing 27 cm, hole distance 10 cm. 55 kg of ammonium sulfate per acre, phosphate 40 kg.