嘉81A是浙江省嘉兴市农科院联合有关单位育成的长粒、优质BT型粳稻三系不育系，2014年12月通过浙江省农作物品种审定委员会组织的现场技术鉴定。本文主要介绍了嘉81A的选育过程及相关特性。

Jia 81A is a japonica male sterile Line with long grain, fine quality and independent intellectual property rights, which was cultivated by Jiaxing Academy of Agricultural Sciences associated with other units. It was identified by Zhejiang Crop Variety Identification Committee in December 2014. The breeding process and characteristics of Jia 81A were introduced in this article.