开放国内农产品市场，对搞活流通，丰富人民的物质生活无疑有很大促进作用。但是，随着农产品的频繁调运，许多危险性病、虫、杂草如近几年外检、内检部门查获的小麦矮腥黑穗病、地中海实蝇、苹果蠹蛾等也随之“入关”，在国内传播蔓延，给农业安全生产带来很大威胁。开放... Opening up the market for domestic agricultural products will undoubtedly greatly promote the material circulation of the people and enrich the people. However, with the frequent transfer of agricultural products, many dangerous diseases, insects and weeds, such as foreign seized in recent years, seized wheat dwarf head smut, Mediterranean fruit fly, codling moth, etc. also will be “entry ”Spread in the country, which posed a great threat to agricultural safety in production. open...