加上各地的中期库和种质圃，全国已初步形成了种质资源保存网。
A work net for conservation has primarily set up via cooperation among The National gene bank, local crop-specific-and middle-term-gene Banks and field gene Banks.
对郑州果树所国家果树种质郑州葡萄圃内的808份种质（品种和野生类型）的卷叶病自然发病情况进行了调查研究。
The occurrence of GLRV of 808 accessions of grape cultivars and wild races grown in open field was investigated.
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