The indica CMS line Nanfeng 9A was bred by Wenzhou Academy of Agricultural Sciences. The line has stable sterility with abortive rate of 99.99% and 97.53% of abortion during monokaryotic stage; purple stigma,67.0% of blossom rate,71.62% of stigma exposure rate, 30.95% of double exposure; moderate plant shape,strong shooting ability,big panicle and quantities of grains; strong combing ability,panicle number and total grain number showed significant non - additive allelic effect but negative effect on plant height and setting rate; high gel consistency , middle - low content of amylase, moderately susceptible to rice blast and bacterial blight. It was approved by Zhejiang Crop Approval Committee in 2009.%楠丰9A是温州市农业科学研究院选育的中籼野败型三系不育系.该不育系不育性稳定,花粉败育率99.99％,典败率97.53％；柱头紫色,午前花占67.0％,柱头总外露率71.62％,其中双外露率30.95％；株型适中,分蘖力强,穗大粒多；配合力强,穗数、穗总粒数非加性效应显著,株高、结实率则有一定负面作用；高胶稠度,中低直链淀粉含量,中感稻瘟病和白叶枯病.2009年通过浙江省农作物品种审定委员会技术鉴定.
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