Comprehensive Prevention and Control Technology of Pear Tree Pests and Disease

Pear tree is a kind of common fruit tree in most regions of China.Vulnerable to pests and threats in the growth process of pear tree and it lead to yield and quality decline.Control principle of pear tree pests and disease and prevention and treatment of different periods were introduced.Comprehensive prevention and control technology such as strengthening orchard management，physical control technology and agricultural control technology were expounded.