她发现那些种类在缩小和矮化病其原因在选择的压力因为只有很小的花保留未摘。
She found the number of species is dwindling and some species are dwarfing due to selection pressure because only the smallest flowers remain unpicked.
因此，研究明确源于野生花生的PSV抗性的遗传特性和建立抗性的分子标记，是深化花生矮化病毒病抗性遗传改良必须优先解决的课题。
Previous studies showed that germplasm materials immune or highly resistant to PSV had been found only in some wild Arachis species while no resistant genotype was identified in the cultivated peanut.
因此，研究明确源于野生花生的PSV抗性的遗传特性和建立抗性的分子标记，是深化花生矮化病毒病抗性遗传改良必须优先解决的课题。
Previous studies showed that germplasm materials immune or highly resistant to PSV had been found only in some wild Arachis species while no resistant genotype was identified in the cultivated peanut.
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