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J.I.S. Rodrigues

Publications of : J.I.S. Rodrigues
Plant Genetics   Research Article

Evaluation of genotype x environment interactions in cotton using the method proposed by Eberhart and Russell and reaction norm models

Cotton produces one of the most important textile fibers of the world and has great relevance in the world economy. It is an economically important crop in Brazil, which is the world’s fifth largest producer. However, studies evaluating the genotype x environment (G x E) interactions in cotton are scarce in this country. Therefore, the goal of this study was t.. Read More»

Genet. Mol. Res. 16(3): gmr16039726

DOI: 10.4238/gmr16039726

Plant Genetics   Research Article

Number of repetitions for evaluating technological traits in cotton genotypes

    L.P. Carvalho, F.J.C. Farias, C.L. Morello, J.I.S. Rodrigues and P.E. Teodoro

With the changes in spinning technology, technological cotton traits, such as fiber length, fiber uniformity, fiber strength, fineness, fiber maturity, percentage of fibers, and short fiber index, are of great importance for selecting cotton genotypes. However, for accurate discrimination of genotypes, it is important that these traits are evaluated with the best possible accuracy. The aim of t.. Read More»

Genet. Mol. Res. 15(3): gmr.15038557

DOI: 10.4238/gmr.15038557

Plant Genetics   Research Article

Genetic diversity among exotic cotton accessions as for qualitative and quantitative traits

    L.P. de Carvalho, F.J.C. Farias, J.I.S. Rodrigues, N.D. Suassuna and P.E. Teodoro

Studying genetic diversity among a group of genotypes is important in genetic breeding because identifying hybrid combinations of greater heterotic effect also increases the chance of obtaining plants with favorable allele combinations in an intra-population selection program. The objective of this study was to compare different types of long and extra-long staple c.. Read More»

Genet. Mol. Res. 16(1): gmr16019590

DOI: 10.4238/gmr16019590

Plant Genetics   Research Article

Genetic diversity among cotton cultivars in two environments in the State of Mato Grosso

    I.G. Santos, P.E. Teodoro, F.C. Farias, F.J.C. Farias, L.P. Carvalho, J.I.S. Rodrigues and C.D. Cruz

Using commercial cultivars to compose crossing blocks in cotton is a promising strategy, because these materials have desirable agronomic and technological characteristics. The objective of this study was to evaluate the genetic diversity among 16 cotton cultivars cultivated in two environments in the State of Mato Grosso, the largest national producer, using agrono.. Read More»

Genet. Mol. Res. 16(2): gmr16029628

DOI: 10.4238/gmr16029628