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苏优72是江苏中江种业股份有限公司以苏77A×R162配组自主育成的早熟优质杂交晚粳新组合。2010年通过江苏省农作物品种审定委员会审定(审定编号:苏审稻201017)。适宜江苏省沿江及苏南地区中上等肥力条件下种植。1特征特性株型紧凑,株高适中,穗型较大,长势较旺,分蘖力较强,叶色深绿,群体整齐度较好,灌浆速度快,后期熟色好,粒色金黄,抗倒性好。省区试平均结果:全生育期156d左右,较对照常优1号早熟5d;有效穗246万株/hm2,每穗实粒数163粒,结实率88.9%,千粒重24.9g,株高108.2cm。
Suyou 72 is a new combination of early maturing high-quality late-japonica rice developed independently by Jiangsu Zhongjiang Seed Industry Co., Ltd. with the group of Su 77A × R162. In 2010 through the Jiangsu Provincial Crop Variety Approval Committee for validation (validation number: Su trial rice 201017). It is suitable for planting in middle-upper fertility conditions along the Yangtze River and southern Jiangsu Province. 1 Characteristics The plant type is compact, the plant height is moderate, the panicle type is bigger, the growth is stronger, the tillering power is stronger, the leaf color is dark green, the group is better, the grouting speed is quick, the color is golden, Down well. Provincial average test results: the whole growth period about 156d, compared with the control Changyou 1 precocious 5d; effective panicle 2.46 million / hm2, the number of grains per spike 163, seed setting rate of 88.9%, grain weight 24.9g, plant height 108.2cm .