【摘要】 对11个辽宁省新育成的杂交粳稻品系与常规粳稻产量性状进行了比较,结果表明:杂交粳稻新组合的丰产性比常规粳稻好,其主要增产因子是穴穗重、株高、穴茎秆重、穗粒数;产量性状较好的杂交粳稻品系有5215、20159、946、辽优3006、辽优5273、辽优5206。更多还原

【Abstract】 Eleven hybrid japonicas and conventional japonicas were compared in Liaoning.The results showed that the productivity of the hybrid japonicas was better than that of conventional japonicas.Main yield-increasing factors were weight per hill,plant height,plant stem weight per hill and grain number per panicle.Hybrid japonicas which had better yield characteristics were 5215,2015,9946,Liaoyou 3006,Liaoyou 5273,Liaoyou 5206.更多还原