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Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.)

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Authors
Vasić, N.
Jocković, Đorđe
Ivanović, M
Peternelli, L
Stojaković, Milisav
Bekavac, Goran
Article (Published version)
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Abstract
The choice of recurrent selection procedure depends mostly on the genetic constitution of populations undergoing selection. We studied components of genetic variance of grain yield, ear length, 1000-kernel weight, ear row number, kernel depth, 10-kernel length and height of ear of the medium late synthetic maize population 316PO2. This population includes Lancaster Surecrop germplasm (about 70%) and exotic germplasm (30%). It should be an important source of new maize inbred lines. Except for ear row number, most of the total genetic variability of the other traits was determined by additive gene action. We estimated negative value of variance due to dominance deviations for kernel depth. The average degree of dominance was at the level of superdominance except for kernel depth and 10-kernel length. Grain yield and 1000-kernel weight had higher values of narrow sense heritability (h(n)(2)=0,56, h,(2)(n)=0,5) than expected. Ear row number(h(n)(2)=0,45) had lower. In the case of kernel d...epth, we couldn't been able to estimate narrow sense heritability. The largest expected genetic gain from selection for grain yield was obtained for half-sib recurrent selection.

Keywords:
maize / genetic variance / heritability / genetic gain
Source:
Cereal Research Communications, 2001, 29, 1-2, 77-84
Publisher:
  • Akademiai Kiado Zrt, Budapest

ISSN: 0133-3720

WoS: 000169442000010

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_fiver_97
URI
http://fiver.ifvcns.rs/handle/123456789/97
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Vasić, N.
AU  - Jocković, Đorđe
AU  - Ivanović, M
AU  - Peternelli, L
AU  - Stojaković, Milisav
AU  - Bekavac, Goran
PY  - 2001
UR  - http://fiver.ifvcns.rs/handle/123456789/97
AB  - The choice of recurrent selection procedure depends mostly on the genetic constitution of populations undergoing selection. We studied components of genetic variance of grain yield, ear length, 1000-kernel weight, ear row number, kernel depth, 10-kernel length and height of ear of the medium late synthetic maize population 316PO2. This population includes Lancaster Surecrop germplasm (about 70%) and exotic germplasm (30%). It should be an important source of new maize inbred lines. Except for ear row number, most of the total genetic variability of the other traits was determined by additive gene action. We estimated negative value of variance due to dominance deviations for kernel depth. The average degree of dominance was at the level of superdominance except for kernel depth and 10-kernel length. Grain yield and 1000-kernel weight had higher values of narrow sense heritability (h(n)(2)=0,56, h,(2)(n)=0,5) than expected. Ear row number(h(n)(2)=0,45) had lower. In the case of kernel depth, we couldn't been able to estimate narrow sense heritability. The largest expected genetic gain from selection for grain yield was obtained for half-sib recurrent selection.
PB  - Akademiai Kiado Zrt, Budapest
T2  - Cereal Research Communications
T1  - Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.)
EP  - 84
IS  - 1-2
SP  - 77
VL  - 29
UR  - https://hdl.handle.net/21.15107/rcub_fiver_97
ER  - 
@article{
author = "Vasić, N. and Jocković, Đorđe and Ivanović, M and Peternelli, L and Stojaković, Milisav and Bekavac, Goran",
year = "2001",
abstract = "The choice of recurrent selection procedure depends mostly on the genetic constitution of populations undergoing selection. We studied components of genetic variance of grain yield, ear length, 1000-kernel weight, ear row number, kernel depth, 10-kernel length and height of ear of the medium late synthetic maize population 316PO2. This population includes Lancaster Surecrop germplasm (about 70%) and exotic germplasm (30%). It should be an important source of new maize inbred lines. Except for ear row number, most of the total genetic variability of the other traits was determined by additive gene action. We estimated negative value of variance due to dominance deviations for kernel depth. The average degree of dominance was at the level of superdominance except for kernel depth and 10-kernel length. Grain yield and 1000-kernel weight had higher values of narrow sense heritability (h(n)(2)=0,56, h,(2)(n)=0,5) than expected. Ear row number(h(n)(2)=0,45) had lower. In the case of kernel depth, we couldn't been able to estimate narrow sense heritability. The largest expected genetic gain from selection for grain yield was obtained for half-sib recurrent selection.",
publisher = "Akademiai Kiado Zrt, Budapest",
journal = "Cereal Research Communications",
title = "Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.)",
pages = "84-77",
number = "1-2",
volume = "29",
url = "https://hdl.handle.net/21.15107/rcub_fiver_97"
}
Vasić, N., Jocković, Đ., Ivanović, M., Peternelli, L., Stojaković, M.,& Bekavac, G.. (2001). Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.). in Cereal Research Communications
Akademiai Kiado Zrt, Budapest., 29(1-2), 77-84.
https://hdl.handle.net/21.15107/rcub_fiver_97
Vasić N, Jocković Đ, Ivanović M, Peternelli L, Stojaković M, Bekavac G. Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.). in Cereal Research Communications. 2001;29(1-2):77-84.
https://hdl.handle.net/21.15107/rcub_fiver_97 .
Vasić, N., Jocković, Đorđe, Ivanović, M, Peternelli, L, Stojaković, Milisav, Bekavac, Goran, "Genetic analysis of quantitative traits in synthetic population 316PO2 of maize (Zea mays L.)" in Cereal Research Communications, 29, no. 1-2 (2001):77-84,
https://hdl.handle.net/21.15107/rcub_fiver_97 .

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