New round of potato breeding work starts in China's Ningxia

A can of virus-free seedlings is seen in a potato science and technology demonstration park in Xiji County, northwest China's Ningxia Hui Autonomous Region, March 15, 2019. A new round of potato breeding work has started as spring has come in Xiji County, where the potato has been a specialty industry. (Xinhua/Feng Kaihua)