Genetic gain

Genetic progress resulting from forty-three years of breeding of the carioca common bean in Brazil

L. D. Barili, Vale, N. M., Moura, L. M., Paula, R. G., Silva, F. F., Carneiro, J. E. S., Barili, L. D., Vale, N. M., Moura, L. M., Paula, R. G., Silva, F. F., and Carneiro, J. E. S., “Genetic progress resulting from forty-three years of breeding of the carioca common bean in Brazil”, vol. 15, p. -, 2016.

We aimed to evaluate 40 common bean cultivars recommended by various Brazilian research institutions between 1970 and 2013 and estimate the genetic progress obtained for grain yield and other agronomic traits. Additionally, we proposed a bi-segmented nonlinear regression model to infer the year in which breeding began to show significant gains in Brazil. The experiment was carried out in Viçosa/MG and Coimbra/MG, in the dry and winter seasons of 2013. For this, a randomized complete block design with three replications was employed.

Genetic analyses, phenotypic adaptability and stability in sugarcane genotypes for commercial cultivation in Pernambuco

J. A. Dutra Filho, Junior, T. C., and Neto, D. E. Simões, “Genetic analyses, phenotypic adaptability and stability in sugarcane genotypes for commercial cultivation in Pernambuco”, vol. 14, pp. 12102-12110, 2015.

In the present study, we assessed the agro-industrial performance of 22 sugarcane genotypes adaptable to edaphoclimatic conditions in production microregions in the State of Pernambuco, Brazil, and we recommended the commercial cultivation of select genotypes. The variables analyzed were as follows: sucrose percentage in cane juice, tonnage of saccharose per hectare (TPH), sugarcane tonnage per hectare (TCH), fiber, solid soluble contents, total recoverable sugar tonnage (ATR), and total recoverable sugar tonnage per hectare (ATR t/ha).

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