Zea Mays L
Quantitative trait locus analysis for kernel width using maize recombinant inbred lines
Authors: G.Q. Hui1, G.Q. Wen2, X.H. Liu2, H.P. Yang1, Q. Luo1, H.X. Song3, L. Wen3,Y. Sun4 and H.M. Zhang1,5
Maize (Zea mays L.) kernel width is one of the most important traits that is related to yield and appearance. To understand its genetic mechanisms more clearly, a recombinant inbred line (RIL) segregation population consisting of 239 RILs was used for quantitative trait locus (QTL) mapping for kernel width. We found four QTLs on chromosomes 3 (one), 5 (tw.. Read More»
- Genet. Mol. Res. 14(4):
- 2015.November.18.12
- DOI:
- 10.4238/2015.November.18.12
Analysis of genetic traits for drought tolerance in maize
Authors: R.W. Muhammad, A. Qayyum, A. Hamza, M.Q. Ahmad, N.S. Naseer, S. Liaqat, B. Ahmad, W. Malik and E. Noor
Fifty-four genotypes of maize were crossed and evaluated in the field during the crop season in February 2012 under both normal and water stress conditions. To identify the major parameters responsible for variation among genotypes, single linkage cluster analysis and principle component analysis (PCA) were carried out. Thirteen characters were studied. T.. Read More»
- Genet. Mol. Res. 14(4):
- 2015.October.28.15
- DOI:
- 10.4238/2015.October.28.15
Full-sib reciprocal recurrent selection in the maize populations Cimmyt and Piran�£o
Authors: K.S. da Cunha M.G. Pereira L.S.A. Gon�§alves A.P.C.G. Berilli E.C. de Oliveira H.C.C. Ramos A.T. do Amaral J�ºnior
We estimated the genetic gains of the 12th cycle of reciprocal recurrent selection for maize traits of agronomic interest. We used 23 ISSR molecular markers in an attempt to maximize genetic variability among and within populations based on selection of S1 progenies. To this end, 138 full-sib families were evaluated in a randomized block design in two enviro.. Read More»
- Genet. Mol. Res. 11(3):
- 2012.September.25.8
- DOI:
- 10.4238/2012.September.25.8
REML/BLUP and sequential path analysis in estimating genotypic values and interrelationships among simple maize grain yield-related traits
Authors: T. Olivoto, M. Nardino, I.R. Carvalho3, D.N. Follmann4, M. Ferrari3, V.J. Szareski5, A.J. de Pelegrin3 and V.Q. de Souza6
Methodologies using restricted maximum likelihood/best linear unbiased prediction (REML/BLUP) in combination with sequential path analysis in maize are still limited in the literature. Therefore, the aims of this study were: i) to use REML/BLUP-based procedures in order to estimate variance components, genetic parameters, and .. Read More»
- Genet. Mol. Res. 16(1):
- gmr16019525
- DOI:
- 10.4238/gmr16019525
Diallel analysis of leaf disease resistance in inbred Brazilian popcorn cultivars
Authors: R.A. Vieira, C.A. Scapim, L.M. Moterle, D.J. Tessmann, T.V. Conrado and A.T. Amaral J�ºnior
We estimated general and specific combining abilities and examined resistance to northern leaf blight (Exserohilum turcicum) and to gray leaf spot (Cercospora zeae-maydis) in a set of nine inbred popcorn lines. These inbreds were crossed in a complete diallel scheme without reciprocals, which produced 36 F1 hybrids. Two experi.. Read More»
- Genet. Mol. Res. 8(4):
- vol8-4gmr655
- DOI:
- 10.4238/vol8-4gmr655
Sample size for estimation of direct effects in path analysis of corn
Authors: M. Toebe, A. Cargnelutti Filho, L. Storck and A.D. L�ºcio
The objective of this study was to assess the sample size required for estimating the direct effects of explanatory variables on the grain yield of corn in the combinations formed by three types of hybrids x two harvests x nine scenarios of explanatory variables x two types of path analyses x four levels of accuracy. A total o.. Read More»
- Genet. Mol. Res. 16(2):
- gmr16029523
- DOI:
- 10.4238/gmr16029523
Descriptive statistics and correlation analysis of agronomic traits in a maize recombinant inbred line population....
Authors: H.M. Zhang, G.Q. Hui, Q. Luo, Y. Sun and X.H. Liu
Maize (Zea mays L.) is one of the most important crops in the world. In this study, 13 agronomic traits of a recombinant inbred line population that was derived from the cross between Mo17 and Huangzao4 were investigated in maize: ear diameter, ear length, ear axis diameter, ear weight, plant height, ear height, days to pollen.. Read More»
- Genet. Mol. Res. 13(1):
- http://dx.doi.org/2014.January.21.14
- DOI:
- http://dx.doi.org/10.4238/2014.January.21.14
Use of molecular markers in reciprocal recurrent selection of maize increases heterosis effects
Authors: A.P.C.G. Berilli, M.G. Pereira, L.S.A. Gon�§alves, K.S. da Cunha, H.C.C. Ramos, G.A. Souza Filho and A.T. do Amaral J�ºnior
We examined the effect of incorporation of molecular markers on variability between and within populations in order to maximize heterotic effects and longevity of a maize reciprocal recurrent selection program. Molecular variability was quantified by inter-simple sequence repeat (ISSR) markers between and within the maize popu.. Read More»
- Genet. Mol. Res. 10(4):
- 2011.October.25.6
- DOI:
- 10.4238/2011.October.25.6
Genetic parameters in parents and hybrids of circulant diallel in popcorn
Authors: R.M. Rangel1, A.T. Amaral J�ºnior1, C.A. Scapim2, S.P. Freitas J�ºnior1 and M.G. Pereira1
With the aim of estimating genetic parameters and identifying superior popcorn combinations, 10 parents were crossed in a circulant diallel and evaluated together with the 15 resulting hybrids at two locations in two growing seasons for grain yield, number of broken plants, number of partially husked ears and popping expansion. The hybrids were less sensi.. Read More»
- Genet. Mol. Res. 7(4):
Quantitative trait locus analysis for ear height in maize based on a recombinant inbred line population
Authors: Z.Q. Li, H.M. Zhang, X.P. Wu, Y. Sun and X.H. Liu
Maize (Zea mays L.) is among the crops with the greatest worldwide economic importance. Ear height is a very important trait that is considered necessary in maize and is related to morphology, lodging, and yield. To realize its genetic basis, an F9 recombinant inbred line population and a genetic map consisting of 101 simple s.. Read More»
- Genet. Mol. Res. 13(1):
- 2014.January.21.13
- DOI:
- 10.4238/2014.January.21.13