1 筹建时期新中国成立后,国家制定了一系列鼓励农业生产的政策和措施,使濒危的农业得到复苏。随之而来的是国内外农产品贸易和技术交流工作也迅速发展。种子苗木及大量粮棉的远距离调运,带来了危险性病虫杂草扩散为害的重大隐患,有的已成为现实。为此,农业部植物保护局于1954 1 After the founding of New China After the founding of new China, the state formulated a series of policies and measures to encourage agricultural production, so that the end of the recovery of agriculture. What followed was a rapid development of agricultural products trade and technology exchange both at home and abroad. Seedling seedlings and a large number of grain and cotton long-distance transport, has brought the danger of pests and weeds proliferation of major hazards, some have become a reality. To this end, the Plant Protection Bureau of the Ministry of Agriculture in 1954