Sensitivity to Metalaxyl and Screening of the Effective Fungicides of Phytophthora infestans in Hainan Province

• Honggang WANG, 
• Yinhua CHEN, 
• Xiaohui YU, 
• Shiyou YANG, 
• Yujuan CHEN, 
• Siyuan HUANG, 
• Wenqiao WANG