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我国实行对外开放和对内搞活经济的政策以来,农业上与国外交往日益增多,和不少国际组织建立了联系,种子交换越来越频繁,引进的品种多、渠道广,有的数量还较大,做好种子交换中的检疫是一项重要工作。对于进口的种子苗木,植检部门需要了解这些种子产地的病虫害及其防除情况,检疫与处理等措施,但实际上了解得较少,给进口检疫带来了一定的难度。1987年9月作者参加中国农业科学院代表团访问了设在墨西哥的国际玉米小麦改良中心,实地考察了
Since China implemented the policy of opening up to the outside world and invigorating the economy in its internal development, there has been an increasing number of agricultural exchanges with foreign countries and has established contacts with many international organizations. The exchange of seeds has become more frequent and frequent with more varieties and channels introduced. Large, good quarantine in the exchange of seeds is an important task. For the import of seedlings, phytosanitary departments need to know the origin of these seeds and pests and diseases control, quarantine and treatment measures, but in fact less understood, to the import quarantine has brought some difficulties. In September 1987, the author participated in the delegation of Chinese Academy of Agricultural Sciences visited the International Corn and Wheat Improvement Center in Mexico.