由原原种在高海拔隔离制种田扩繁生产，病毒携带率极低，薯块规整，芽眼饱满，抗逆丰产。适合合作社、基地规模化繁育，是生产商品薯的优质种源，大田表现稳定可靠。

Multiplied from pre‑basic seeds in high‑altitude isolated fields. Low virus level, uniform tubers, vigorous sprouts and stable high yield, high‑quality seed for commercial potato production.