Survey of situation of diseases and pests in major tropical crops and analysis of ecological environment protection

To master basic situation of disease and pest in major tropical crops and present status of prevention,monitoring and prevention situation of disease and pest in main tropical crops such as litchi and pepper was investigated by Hainan Wenchang Test Station Farm,Academy of Sciences(hereinafter referred to Wenchang Station).Relevant factors of pest and disease monitoring system and agro-ecological environmental protection are analyzed objectively combining with working experiences,and ideas and suggestions are presented.