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Generation-means Analysis and Quantitative Trait Locus Mapping of Anthracnose Stalk Rot Genes in Maize by M. Jung; T. Weldekidan; D. Schaff; A. Paterson; S. Tingey; J. Hawk is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Generation-means Analysis and Quantitative Trait Locus Mapping of Anthracnose Stalk Rot Genes in Maize about?

A generation-means analysis was performed on two maize populations, each segregating for genes conferring resistance to anthracnose stalk rot (ASR). The populations were derived from a cross of DE811ASR x DE811 and of DE811ASR x LH132. The resistant parent, DE811ASR, was obtained through introgression with MP305 as the donor and DE811 as the recurrent parent. The analysis revealed significant additive effects in both populations and a significant additive x dominant effect in the DES11ASR x DES11 population. Quantitative trait locus (QTL) mapping, using restriction fragment length polymorphism (RFLP)-based molecular markers, indicated a significant QTL on linkage group 4 in both populations. The QTL analysis confirmed additive inheritance in both populations. This work demonstrates a close correspondence between generation-means analysis and discrete observations using molecular markers. Linkage of a genetic marker to genes conferring resistance to ASR will be useful for the introgression of resistance into elite germplasm.

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Author

M. Jung; T. Weldekidan; D. Schaff; A. Paterson; S. Tingey; J. Hawk

Publisher

Springer; Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc.; Springer Nature (ISSN 0040-5752)

Published

1994

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)