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“9520”、“9522”是早熟晚粳“武运粳7号”中的两个姊妹系,亲本组合为“加48/9—21//丙815”复合杂交而成。我市1996年引进,全市1998年扩大种植3万余亩。“9520”在“武运粳7号”的几个姊妹系中具有明显的自身生育特性和增产优势,推广势头迅猛,应用区域扩大,将成为“武运粳7号”的主要推广应用品系之一。1产量优势1.1品种比较试验 1996年常州市单晚粳稻区域试验“9520”平均亩产666.75kg,名列第一,比“9522”亩增1.21％。1997年无锡市单晚粳稻品试农试站点
“9520” and “9522” are two sister lines of early maturing late japonica rice “Wuyunjing 7”, and their parents are made by the combination of “plus 48 / 9-21 // C 815”. Introduced in 1996 in our city, the city expanded its planting of more than 30,000 mu in 1998. “9520” has obvious self-fertility characteristics and yield-increasing advantages in several sister lines of “Wuyunjing 7”. The popularization trend of the “9520” is rapid and its application area is widened. It will become the main popularization and application of “Wuyunjing 7” one. 1 Yield advantage 1.1 Comparison of varieties and varieties In 1996 Changzhou single-night japonica rice regional experiment “9520” average yield of 666.75kg per mu, ranked first, more than “9522” mu by 1.21%. 1997 single-grain japonica rice in Wuxi test agricultural test site