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Quantitative genetic analysis of main traits in Maize

Author: LuMin
Tutor: LiuJian
School: Sichuan Agricultural University
Course: Rural and Regional Development
Keywords: corn ear height ear diameter major gene plus polygene genetic model
CLC: S513
Type: Master's thesis
Year: 2012
Downloads: 16
Quote: 0
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Abstract


The six generations (P1、Fl、P2、B1、 B2and F2) from corn RP125×1212cross were used in this study, the mixed major gene plus polygene inheritance model was used to analyze the genetics of ear height trait,stalk diameter trait and ear diameter trait.results as follow:the ear height trait fitted the inheritance model of additive dominance epistasis polygene(C-OModel).Selectance in F2population was the highest; the stalk diameter trait fitted the inheritance model of complete dominant major genes plus additive-dominant polygene (D-3); the ear diameter trait fitted the inheritance model of two paris of additive dominance epistatic additive major gene plus dominant genetic polygenic mixed model (E-Model), Selectance in F2population was the highest.The three traits were influenced by the environment.

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CLC: > Agricultural Sciences > Crop > Cereal crops > Corn ( maize )
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