Resistane Genetic Research of Tomato Late BlightDisease

doi:10.7668/hbnxb.2010.S2.009

Abstract

Abstract: "Research on the genetic analysis of resistance late blight on tomato was studied in this paper.According to analyze the variance of the combining ability,the research results on the genetic resistance indicated general combining ability and specific combining ability were obvious,the general combining ability was larger than the specific combining ability,the ratio of GCA/SCA was 18.7,this result proved that the additive effect was much more predominant than other effects.Through analyzing variance and covariance,the resistance conformed to the additive-dominance model.Genetic effect included additive effect and dominant effect.Broad heritability was 96.8%,and narrow heritability was 85.6%,the data indicated further the additive effect was much more predominant than other effects. "

Key words: Tomato, Late blight, Resistance inheritance

CLC Number:

S436.412

JIANG Xiao-yan, LI Hai-tao, ZHANG Zi-jun, ZOU Qing-dao. Resistane Genetic Research of Tomato Late BlightDisease[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(S2): 36-39. doi: 10.7668/hbnxb.2010.S2.009.

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