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W.N. Rodrigues

Publications of : W.N. Rodrigues
Plant Genetics   Research Article

Genetic Variability for Sprout Growth among Genotypes of Coffea canephora Led by Bending of Orthotropic Stems

The multi-stem aspect of crop systems using Coffea canephora makes it necessary to correctly establish the number of orthotropic stems per plant during the crop formation. The present study was developed to study the variability of responses among improved genotypes of C. canephora to the technique of bending orthotropic stems as a mean of promoting the sprout growt.. Read More»

Genet. Mol. Res. 16(4): gmr16039813

DOI: 10.4238/gmr16039813

Plant Genetics   Research Article

Mixed models identify physic nut genotypes adapted to environments with different phosphorus availability

    P.E. Teodoro, B.G. Laviola, L.D. Martins, J.F.T. Amaral and W.N. Rodrigues

The aim of this study was to screen physic nut (Jatropha curcas) genotypes that differ in their phosphorous (P) use, using mixed models. The experiment was conducted in a greenhouse located in the experimental area of the Centro de Ciências Agrárias of the Universidade Federal do Espírito Santo, in Alegre, ES, Brazil. The experiment was arranged in a randomized block design,.. Read More»

Genet. Mol. Res. 15(3): gmr.15038429

DOI: 10.4238/gmr.15038429

Plant Genetics   Research Article

Evidence of genetic tolerance to low availability of phosphorus in the soil among genotypes of Coffea canephora

    L.D. Martins, W.N. Rodrigues, L.S. Machado, S.V.B. Brinate, T.V. Colodetti, J.F.T. Amaral and M.A. Tomaz

The expansion of agriculture to new areas in order to increase the competitiveness of coffee producing countries has resulted in cultivation expanding into regions with lower natural fertility. This scenario has created the need to differentiate genotypes of Conilon coffee based on their tolerance to low levels of nutrients in the soil, especially phosphorus, which imposes high limitations on c.. Read More»

Genet. Mol. Res. 14(3): http://dx.doi.org/2015.September.8.19

DOI: http://dx.doi.org/10.4238/2015.September.8.19

Plant Genetics   Research Article

Biometry and diversity of Arabica coffee genotypes cultivated in a high density plant system

    W.N. Rodrigues, M.A. Tomaz, M.A.G. Ferrão, L.D. Martins, T.V. Colodetti, S.V.B. Brinate, J.F.T. Amaral, F.M. Sobreira and M.A. Apostólico

The present study was developed to respond to the need for an increase in crop yield in the mountain region of Caparaó (southern Espírito Santo State, Brazil), an area of traditional coffee production. This study aimed to analyze the diversity and characterize the crop yield of genotypes of Coffea arabica L. with potential for cultivation in high plant density systems. In addition.. Read More»

Genet. Mol. Res. 15(1): gmr.15017724

DOI: 10.4238/gmr.15017724

Plant Genetics   Research Article

Genetic variability and expression of agro-morphological traits among genotypes of Coffea arabica being promoted by supplementary irrigation

The use of supplementary irrigation to sustain the plantation during moments of severe water stress or moments of high water demand is becoming almost a norm to keep sustainable crops, especially due to the climate changes and the high frequency in which climate extremes are occurring lately. The objective of this study was to evaluate the agronomic performance and .. Read More»

Genet. Mol. Res. 16(2): gmr16029563

DOI: 10.4238/gmr16029563