The Effectors of Marigold Rotation and Intercropping with Angelica on the Control of Root-knot Nematode Disease

• XIE Guihua, 
• CUI Huadong, 
• DONG Ying, 
• WANG Xiaoqiang, 
• WANG Yang, 
• LI Xiaofei, 
• DENG Renke, 
• XIE Yong