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两优622是由安徽华韵生物科技有限公司培育的两系杂交中稻品种。2015年通过湖北省审定。1.品质产量2013~2014年参加湖北省中稻品种区域试验,米质经农业部食品质量监督检验测试中心(武汉)测定,出糙率81.0%,整精米率60.8%,垩白粒率46%,垩白度11.6%,直链淀粉含量21.3%,胶稠度40毫米,长宽比3.2。两年区域试验平均667平方米产652.27千克,比对照扬两优6号增产6.32%。
Liangyou 622 is a two-line hybrid rice cultivar cultivated by Anhui Huayun Biological Technology Co., Ltd. In 2015 through the Hubei Province validation. 1.Quality Production In 2013-2014, we participated in the regional experiment of medium rice varieties in Hubei Province. The quality of rice was determined by the Food Quality Supervision and Testing Center (Wuhan) of Ministry of Agriculture. The roughness of the rice was 81.0%, the rate of milled rice 60.8% and the percentage of chalky rice 46% , Chalkiness 11.6%, amylose content 21.3%, gel consistency 40 mm, aspect ratio 3.2. In the two-year regional experiment, the average output of 667m2 was 652.27kg, which was 6.32% higher than that of the control Yangliangyou 6.