首页> 外文期刊>Asian Journal of Plant Sciences >Genetic Analysis of Resistance to Head Bug Eurystylus oldi (Poppius) in Sorghum (Sorghum bicolor (L.) Moench)
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Genetic Analysis of Resistance to Head Bug Eurystylus oldi (Poppius) in Sorghum (Sorghum bicolor (L.) Moench)

机译:高粱(高粱双色)对头虫Eurystylus oldi(Poppius)的抗性遗传分析。

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摘要

Genetic analysis were carried out to determine heterotic effects, gene action and inheritance of resistance to head bug, Eurystylus oldi Poppius in four sorghum crosses. Resistance was found dominant over susceptibility. Significant negative heteroticeffect above mid-parent and better parent for grain damage rating was detected for all crosses. Dominance gene action is more important for the three resistance traits: grain damage rating, floaters percentage and germination percentage Inheritance to E. oldi is conditioned by one dominant gene in two F_2 populations, while resistance in the remaining two F_2 populations is controlled by two dominant genes and in part by genes at two or more loci.
机译:进行了遗传分析,以确定四个高粱杂交品种的杂种效应,基因作用和对头虱Eurystylus oldi Poppius的抗性遗传。发现抗药性高于药敏性。在所有杂交中均检测到高于中亲本和更好亲本的籽粒损伤评级具有显着的负异质效应。优势基因作用对三种抗性性状更为重要:籽粒损害率,漂浮物百分率和发芽百分率遗传给E. oldi的条件是两个F_2种群中的一个显性基因,而其余两个F_2种群中的抗性则由两个显性基因控制基因,部分是两个或多个基因座处的基因。

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