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1材料与方法以2001~2012年辽宁省审定普通玉米品种品质数据为分析材料,数据来源于2001~2012年辽宁省玉米品种审定公告及辽宁省玉米品种试验汇总,品质性状主要为粗蛋白含量、粗脂肪含量、粗淀粉含量、赖氨酸含量、容重。按生育期不同将品种划分为中熟组、中晚熟组、晚熟组。品质性状测定由农业部农产品质量监督检验测试中心(沈阳)测定。粗蛋白、粗脂肪、总淀粉、赖氨酸、容重项目分别依据NY/T 3-1982、NY/T 4-1982、NY/T
MATERIALS AND METHODS The quality data of ordinary corn varieties examined and approved in Liaoning Province from 2001 to 2012 were taken as materials for analysis. The data were from the audits of corn varieties in Liaoning Province from 2001 to 2012 and the corn varieties trials in Liaoning Province. The quality traits were mainly crude protein content, Crude fat content, Crude starch content, Lysine content, Bulk density. According to the different growth stages will be divided into varieties of medium-maturity group, late-maturing group, late maturing group. Quality traits measured by the Ministry of Agriculture, Agricultural Products Quality Supervision and Testing Center (Shenyang) determination. Crude protein, crude fat, total starch, lysine, bulk density projects were based on NY / T 3-1982, NY / T 4-1982, NY / T