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Plant Genetics   Research Article

Molecular Characterization and Differential Interaction of Xanthomonas axonopodis pv. phaseoli and Xanthomonas fuscans subsp. fuscans with Common Beans (Phaseolus vulgaris)

Authors: De Paiva BAR, Wendland A , Borba TC , Araújo LG

The common bacterial blight, caused by Xanthomonas axonopodis pv. phaseoli (Xap) and X. fuscans subsp. fuscans (Xff), is one of the most important dry bean diseases of bacterial etiology. The present work aimed to study the genetic structure among and within populations, and also identify the pathogenic variability of Xap and .. Read More»

Genet. Mol. Res. 17(1):
Plant Genetics   Research Article

Diallel crosses for resistance to Macrophomina phaseolina and Thanatephorus cucumeris on cowpea

Authors: L.R.L. Lima, K.J. Damasceno-Silva, M.A. Noronha, D.A. Schurt and M.M. Rocha

This study aimed at identifying and selecting through partial diallel analysis, segregating populations of cowpea resistant to Macrophomina phaseolina and Thanatephorus cucumeris, based on the evaluation of general (GCA) and specific combining ability (SCA), involved in the genetic control of resistance. For this reason, 19 gr.. Read More»

Genet. Mol. Res. 16(3):
Plant Genetics   Research Article

Genetic control and combining ability of agronomic attributes and northern leaf blight-related attributes in popcorn

Authors: J.S. Santos, A.T. Amaral Júnior, M. Vivas, G.S. Mafra, G.F. Pena,F.H.L. Silva and A.G. Guimarães

The present study was conducted to investigate the genetic control and to estimate the general and specific combining abilities of popcorn for agronomic attributes and attributes related to resistance to northern leaf blight (NLB). The 56 hybrids (F1 and reciprocals), together with the eight parent lines and six controls, were.. Read More»

Genet. Mol. Res. 16(3):
Plant Genetics   Research Article

Genetic control of number of flowers and pod set in common bean

Authors: E.S. Martins, R.A. Pinto Júnior, A.F.B. Abreu and M.A.P. Ramalho

This article aimed to study the genetic control of some flowers and pod set of common bean and to verify if its estimate varies with environmental conditions and gene pool. A complete diallel was used among six lines, but no reciprocal ones. The treatments were evaluated in three harvests/generations - F2, F3, and F4 - in 2015.. Read More»

Genet. Mol. Res. 16(3):
Plant Genetics   Research Article

Selection of maize inbred lines and gene expression for resistance to ear rot

Authors: G.S. Pereira, R.G.V. Pinho, E.V.R.V. Pinho, L.P.M. Pires, L.A.Y. Bernardo Junior, J.L.A. Pereira and M.P. Melo

In recent years, there has been a large incidence of fungi causing “ear rot” in maize in Brazil, the main fungus being Fusarium verticillioides. The most efficient and competitive alternative for control of this disease consists of using maize hybrids resistant to this pathogen. Thus, the aims of this study were to.. Read More»

Genet. Mol. Res. 16(3):
Plant Genetics   Research Article

Genetic divergence among corn hybrids and combining ability for agronomic and bromatological traits of silage

Authors: E. Gralak, M.V. Faria, A.S.T. Figueiredo, D.A. Rizzardi, M. Neumann, M.C. Mendes, C.A. Scapim and S. Galbeiro

We assessed the impact of genetic divergence and the ability to combine corn hybrids used for the production of silage on the agronomic and bromatological traits of silage quality. We evaluated 18 corn hybrids used as genitors in a circulant diallel scheme in which each genitor hybrid participated in 9 hybrid combinations, and.. Read More»

Genet. Mol. Res. 16(2):
Plant Genetics   Research Article

Relationships between four measures of genetic distance and breeding behavior in spring wheat

Authors: G. Benin, G. Matei, A. Costa de Oliveira, G.O. Silva, T.R. Hagemann, C. Lemes da Silva, E.S. Pagliosa and E. Beche

We estimated the genetic distances among 10 spring wheat genotypes based on pedigree data, morphological traits and AFLP markers, used individually and combined with morphological traits, to find the best predictors of general- and specific-combining abilities among parental genotypes. Ten wheat parents were crossed in a diallel form, disregarding recipro.. Read More»

Genet. Mol. Res. 11(3):
Plant Genetics   Research Article

Genetic distances between popcorn populations based on molecular markers and correlations with heterosis estimates made by diallel analysis of hybrids

Authors: R.E.F. Munhoz1, A.J. Prioli1, A.T. Amaral Júnior2, C.A. Scapim1 and G.A. Simon1

Diallel analysis was used to obtain information on com­bining ability, heterosis, estimates of genetic distances by random amplified polymorphic DNA (RAPD) and on their correlations with heterosis, for the popcorn varieties RS 20, UNB2, CMS 43, CMS 42, Zélia, UEM J1, UEM M2, Beija-Flor, and Viçosa, which were crossed to obtain all possib.. Read More»

Genet. Mol. Res. 8(3):
Bioinformatics   Research Article

Diallel cross analysis of plesiomorphic traits in Triticum aestivum L. genotypes

Authors: M. Shehzad, S.B. Hussain, M.K. Qureshi, M. Akbar, M. Javed1, H.M. Imran and S.A. Manzoor

We conducted a 5 x 5 complete diallel cross experiment in bread wheat (Triticum aestivum) with the genotypes 6309, Chkwal-50, Dhrabi, Bhkhar-02, and FS-08. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. The results of analysis of variance revealed h.. Read More»

Genet. Mol. Res. 14(4):
Plant Genetics   Letter to the Editor

Partial diallel crosses for predicting yield of semiexotic maize populations

Authors: C.M. Silva, J.B. Miranda Filho, U.C. Mendes and E.F. Reis

In Brazil, the total production of maize has increased continuously due to the advances in technology but also to the new frontiers for the maize crop, including the expansion of the second crop (safrinha; usually maize after soybean). Therefore, the exploitation of new sources of germplasm seems to be imperative to attend the.. Read More»

Genet. Mol. Res. 16(1):