Cloning southern corn rust resistant gene RppK and its cognate gene AvrRppK from Puccinia polysora oleh Gengshen Chen, Bao Zhang, Junqiang Ding, Hongze Wang, Ce Deng, Jiali Wang, Qianhui Yang, Qianyu Pi, Ruyang Zhang, Haoyu Zhai, Junfei Dong, Junshi Huang, Jiabao Hou, Junhua Wu, Jiamin Que, Fan Zhang, Wenqiang Li, Haoxuan Min, Girma Tabor, Bailin Li, Xiangguo Liu, Jiuran Zhao, Jianbing Yan, Zhibing Lai