GENERATION MEAN ANALYSIS TO ESTIMATE GENETIC PARAMETERS FOR DIFFERENT TRAITS IN TWO CROSSES OF CORN INBRED LINES AT THREE PLANTING DENSITIES

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AZIZI F.; REZAEI A.M.; SAEIDI GH.

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Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2006 | Volume:8 | Issue:2 Page(s): 153-169

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Title

GENERATION MEAN ANALYSIS TO ESTIMATE GENETIC PARAMETERS FOR DIFFERENT TRAITS IN TWO CROSSES OF CORN INBRED LINES AT THREE PLANTING DENSITIES

Author(s)

AZIZI F. | REZAEI A.M. | SAEIDI GH. | Issue Writer Certificate

Keywords

ADDITIVE

DOMINANCE

EPISTASIS

GENE ACTION

HERITABILITY

MAIZE

VARIANCE COMPONENTS

Abstract

The choice of an efficient breeding procedure depends to a large extent on knowledge of the genetic system controlling the character to be selected. The objective of this study was to determine genetic parameters for yield and other traits including some of the yield components under three planting densities, using analysis of generation means (P1, P2, F1, F2, BC1 and BC2) derived from crosses of B73 with Mo17 and K74/1 inbred lines of corn. Analysis of variance reinforced the hypothesis that interaction of plant density on generation means depends on evaluating genotypes and the kind of trait. Generation mean analysis suggested that both ADDITIVE and DOMINANCE effects were important for most of the traits evaluated in this study, but DOMINANCE had a more pronounced effect. EPISTASIS affected the expression of nine traits in both crosses at three planting densities. Expression of EPISTASIS and genetic parameters differed in the two crosses and were influenced by plant density. Plant densities interacted more strongly with EPISTASIS GENE ACTION than with ADDITIVE or DOMINANCE GENE ACTION in both crosses.

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APA: Copy

AZIZI, F., REZAEI, A.M., & SAEIDI, GH.. (2006). GENERATION MEAN ANALYSIS TO ESTIMATE GENETIC PARAMETERS FOR DIFFERENT TRAITS IN TWO CROSSES OF CORN INBRED LINES AT THREE PLANTING DENSITIES. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 8(2), 153-169. SID. https://sid.ir/paper/531994/en

Vancouver: Copy

AZIZI F., REZAEI A.M., SAEIDI GH.. GENERATION MEAN ANALYSIS TO ESTIMATE GENETIC PARAMETERS FOR DIFFERENT TRAITS IN TWO CROSSES OF CORN INBRED LINES AT THREE PLANTING DENSITIES. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2006;8(2):153-169. Available from: https://sid.ir/paper/531994/en

IEEE: Copy

F. AZIZI, A.M. REZAEI, and GH. SAEIDI, “GENERATION MEAN ANALYSIS TO ESTIMATE GENETIC PARAMETERS FOR DIFFERENT TRAITS IN TWO CROSSES OF CORN INBRED LINES AT THREE PLANTING DENSITIES,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 8, no. 2, pp. 153–169, 2006, [Online]. Available: https://sid.ir/paper/531994/en

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