文章摘要 关键词 小麦条锈病；陇中麦区；越夏；品种抗性[gap=1848]Key words wheat stripe rust；middle region of Gansu；oversummer；resistant cultivars
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High affinity transmitter group is significant for the research of virus transmission mechanism, variability of RSV pathogenicity and variety resistance.
说明构建的高亲和性群体不仅具有很高的带毒率而且具有较好的稳定传递特性,这样一个群体对于传毒机制的研究、RSV致病性分化研究和品种抗性分析都具有重要意义。
参考来源 - 灰飞虱与RSV亲和性相关的分子标记及RSV对灰飞虱生活力的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
优势度则随着品种抗性的增强而增强。
The concentration was increased when the resistance of variety was increased.
阐述了甘薯瘟菌系致病类型、品种抗性分类、抗性遗传趋势和病菌潜伏侵染特征；
The pathotypes, classification of cultivar resistance, advancement of resistance genetics and latent infection of bacterial wilt disease of sweet potato were presented.
然而，由于大豆疫霉菌小种的高度变异性导致品种抗性极易丧失，挖掘持久性抗病基因已成为抗病育种的难题。
However, the resistance of cultivars is easily loss due to the high genetic variability of isolates. Mining durable resistance genes has become a key problem in disease resistant breeding.
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