条斑紫菜栽培业是江苏省海水增养殖的支柱产业。目前,省内栽培区紫菜的种质性状退化和品种混乱现象日趋严重,不仅影响了产业的经济效益,还给加工、贸易和其它相关产业的发展带来严重影响。因此,解决条斑紫菜的种质问题显得十分迫切。条斑紫菜种质污染的发生,会干扰良种的研究和 Porphyra cultivation is a pillar industry in Jiangsu Province by the sea aquaculture. At present, the degradation of cultivated seaweed species and the disorder of cultivars in the cultivated area of ​​the province have become increasingly serious, which not only affects the economic benefits of the industry, but also seriously affects the development of processing, trade and other related industries. Therefore, it is very urgent to solve the germplasm of Porphyra yezoensis. Porphyra germplasm pollution occurs, it will interfere with the study of elite and