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作物学报

作物学报 ›› 1984, Vol. 10 ›› Issue (03): 155-162.

• 研究论文 • 上一篇    下一篇

玉米对大斑病单基因抗性与多基因抗性互作效应的研究

李建生   

  1. 华中农学院农学系
  • 收稿日期:1983-11-06 修回日期:1984-01-21 出版日期:1984-09-12 网络出版日期:1984-09-12

STUDY ON THE INTERACTION OF MONOGENIC AND POLYGENIC RESISTANCE TO HELMINTHOSPORIUM TUCICUM IN MAIZE (Zea mays L.)

Li Jiansheng, Liu Jilin   

  1. Department of Agronomy; Huazhong Agricultural College
  • Received:1983-11-06 Revised:1984-01-21 Published:1984-09-12 Published online:1984-09-12

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摘要： 本文以不同多基因抗性背景的 Ht 等基因系为材料,采用双因子互作试验设计,从病斑数,病斑大小和单位面积产孢量的角度,研究了单基因抗性与多基因抗性的交互作用。结果表明,在上述三个方面,两种抗性的互作效应不同程度的存在。在病斑数方面,Ht 基因表现了增加病斑数的效应,但在高抗的多基因背景中这种效应并不明显。就病斑大小

Abstract: From the number aud the size of lesion and the quantities of sporula-tion,the interaction of monogenic and polygenic resistance to H.turci-cum was studied with Ht isogenic lines.The results have indicated thatin the three aspects above-mentioned,there exists different interactionbetween monogenic an

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