1 Chongqing Engineering Research Center for Rapeseed, College of Agronomy and Biotechnology, Southwest University, Chongqing, 400716, China.
2 Engineering Research Center of South Upland Agriculture of Ministry of Education, Southwest University, Beibei, Chongqing, 400716, China.
3 Department of Botany and Plant Pathology, Purdue University, 915 W. State Street, West Lafayette, IN, 47907-2054, USA.
4 Chongqing Engineering Research Center for Rapeseed, College of Agronomy and Biotechnology, Southwest University, Chongqing, 400716, China. ruiwang71@163.com.
5 Engineering Research Center of South Upland Agriculture of Ministry of Education, Southwest University, Beibei, Chongqing, 400716, China. ruiwang71@163.com.
6 Chongqing Engineering Research Center for Rapeseed, College of Agronomy and Biotechnology, Southwest University, Chongqing, 400716, China. ljn1950@swu.edu.cn.
7 Engineering Research Center of South Upland Agriculture of Ministry of Education, Southwest University, Beibei, Chongqing, 400716, China. ljn1950@swu.edu.cn.