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水稻是我国主要粮食作物之一,水稻国外引种既能丰富我国稻种资源,为水稻育种提供宝贵的亲本材料,又可以通过试种鉴定,评选出直接推广利用的优良品种,解决生产上对良种的需要。中国农科院国外引种室从1971年至1985年的15年中,从50多个国家、地区、国际组织和国际水稻研究所(下称IRRI)共引入水稻种子11,000多份,加上我国各省科技人员直接从国外引入的13,000多份共24,000多份,特别是从1980年起,我国与IRRI建立了经常的水稻种质交换关系,通过种质交换,引入的数量越来越多,10多年来,仅通过国外引种室途径从IRRI引入的品种品系和稻属野生种等就有9,800多
Rice is one of the main food crops in China. Introduction of rice abroad can not only enrich rice resources in our country, but also provide valuable parental materials for rice breeding. Moreover, Need. In the 15 years from 1971 to 1985, more than 11,000 rice seeds were introduced from more than 50 countries, regions, international organizations and the International Rice Research Institute (IRRI) More than 13,000 scientific and technical personnel imported more than 24,000 directly from abroad. Especially since 1980, China has established frequent rice germplasm exchange relations with IRRI. Through the exchange of germplasm, more and more plants have been introduced for more than 10 years There have been more than 9,800 varieties of lines introduced from IRRI and rice wild species,