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鲁原502是由山东省农业科学院原子能农业应用研究所和中国农业科学院作物科学研究所以9940168为母本、济麦19为父本杂交,系统选育而成的杂交种,属常规品种,具有优质、高产、多抗等特点。1主要特征特性该品种偏冬性,幼苗半直立。株型松散,较抗倒伏,熟相较好。生育期243天,株高76.0 cm,每亩最大分蘖113.1万蘖,有效穗40.6万穗,分蘖成穗率35.9%。穗型长方形,穗粒数38.6粒,千粒重43.8 g,容重769.8 g/L。长芒、白壳、白粒,子粒饱满度中等、
Luyuan 502 is a hybrid cultivated by the Institute of Atomic Energy Agriculture of Shandong Academy of Agricultural Sciences and Institute of Crop Science, Chinese Academy of Agricultural Sciences using 9940168 as the female parent and Jimai19 as the male parent. It is a conventional breed with high quality , High yield, multi-resistance and so on. 1 The main characteristics of the characteristics of winter varieties, semi-erect seedlings. Plant type loose, more lodging, cooked better. The growth period of 243 days, plant height 76.0 cm, the maximum tiller per acre 113.1 thousand tiller, spike 406,000 spike, tillering rate of 35.9%. Spike rectangular, grain number 38.6 grains, grain weight 43.8 g, bulk density 769.8 g / L. Changmang, white shell, white grain, grain fullness medium,