Chinese Journal OF Rice Science

Chinese Journal OF Rice Science >

2010 , Vol. 24 >Issue 3: 228 - 232

DOI: https://doi.org/10.3969/j.issn.1001-7216.2010.03.003

研究报告

Analysis of Genetic Model for Rice Stripe Disease Resistance in Rice Restorer Line C224

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  • 1 College of Plant Protection， Shenyang Agricultural University, Shenyang 110161, China; 2 Liaoning Rice Research Institute, Shenyang 110101, China; 3 College of Biological Technology, Shenyang Agricultural University, Shenyang 110161, China; *Corresponding author, E-mail: lzhh1954@163.com

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2010-05-10

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Abstract

Resistance inheritance to rice stripe disease of C224 were analyzed by the mixed major gene plus polygene mixed genetic model of quantitative traits. Meanwhile, the resistances of seven crosses derived from C224 and seven maintainer lines were investigated. The results showed that rice stripe disease resistance of the rice restorer line C224 was controlled by two major genes with additivedominanceepistatic effects plus polygene with additivedominance effects(E1 model). These two major genes showed different additive effects and negative dominance effects. One major gene′s additive effect was about -12.47 and the other was -24.75. There were significant epistatic and interactive effects between the two major genes. The heritability of the two major genes was about 92.12%, while the heritability of polygene was about 2.74%. The resistance to rice stripe disease had a significant major gene effect in the seven crosses. Of the seven crosses five possessed high or medium rice stripe disease resistance.

Key words： rice; rice stripe disease resistance; genetic model; restorer line

Cite this article

ZHENG Wen-jing,LIU Zhi-heng,ZHANG Yan-zhi,LIU Xin,WANG Chang-hua,ZHAO Jia-ming . Analysis of Genetic Model for Rice Stripe Disease Resistance in Rice Restorer Line C224[J]. Chinese Journal OF Rice Science, 2010 , 24(3) : 228 -232 . DOI: 10.3969/j.issn.1001-7216.2010.03.003

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