2010•Jilin Nongye Daxue xuebaoRequires access

Inheritance analysis of main agronomic traits of major genes+polygenes of high-starch corn "Zhengdan 958".

Bao He-ping, Ying Li, LI Chun-cheng

Abstract

Genetic effects of main traits of high-starch corn were analyzed,using the mixed major gene+polygene genetic model of plant quantitative traits,with the combination of high-starch corn hybrids Zhengdan 958 of P1,F1,P2,B1:2,B2:2and F2:3,6 families from generation to genEration,as the material.The results showed that:ear length and ear height were controlled by polygenes;100-grain weight,single spike weight,grain number per row and plant height were controlled by 1 pair of additive major gene+additive-dominant polygene;Bare tip length was controlled by 1 pair of additive-dominant major gene + additive-dominant polygene.

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Key concepts: Polygene, Major gene, Hybrid, Biology, Starch, Genetic analysis, Quantitative trait locus, Inheritance (genetic algorithm)