Capacidade produtiva e progresso genético de pinhão-manso

Borges, Catiele Vieira; Ferreira, Fábio Medeiros; Rocha, Rodrigo Barros; Santos, Adriano Ramos dos; Laviola, Bruno Galvêas

doi:10.1590/s0103-84782014000100011

Cited by 7 publications

(5 citation statements)

References 10 publications

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“…For its part, the number of fruits per truss showed greater potential for selection than the number of trusses per plant, in contrast with that observed by Borges (2012). This author did not observe genetic variability for number of fruits per trusses in a population structured by origin.…”

Section: Resultscontrasting

confidence: 64%

Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L

Spinelli

Dias

Rocha

et al. 2015

Industrial Crops and Products

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Section: Resultscontrasting

confidence: 64%

Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L

Spinelli

Dias

Rocha

et al. 2015

Industrial Crops and Products

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“…This suggests that selection for one trait promotes indirect selection gains for the other. Plant height was also found to be suitable for the early selection of Jatropha curcas plants (Borges et al 2014).…”

Section: Resultsmentioning

confidence: 99%

Progeny evaluation and early selection for plant height in Acacia mearnsii improve genetic gains

Bisognin

Lencina

Greff³

et al. 2022

Crop Breed. Appl. Biotechnol.

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Acacia mearnsii De Wild. is one of the most widely cultivated forest species in Brazil. Despite its importance, studies on breeding strategies for this species are scarce. Therefore, the aim of this study was to evaluate the progeny and develop early selection strategies for A. mearnsii. Individuals of half-sib progenies were classified according to their genotypic value and selected based on their relative performance. The additive effect was only significant for plant height. The best progenies and plants should be selected based on plant height after approximately 60 days of being in nursery and 2 years of field cultivation. This strategy eliminates the worse progenies, discards inferior genotypes in the nursery, eliminates unselected genotypes based on plant height before flowering, and intercrosses only the best plants in field cultivation. This resulted in an annual genetic gain of 3% for plant height and 2% for diameter at breast height.

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“…This method has been applied for several species such as eucalyptus (Silva et al, 2013), cotton (Farias et al, 2016), rubber tree , and strawberry (Costa et al, 2015). However, few types of research have reported the use of this method in Jatropha breeding (Borges et al, 2014). Therefore, the objectives of this study were to estimate genetic parameters based on Jatropha full-sib families performance and to select superior genotypes for grain yield, adaptability, and stability simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Selection of Jatropha full-sib families based on genotypic adaptability and stability via mixed models

Rodrigues¹,

Teodoro²,

Peixoto³

et al. 2017

Genet. Mol. Res.

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ABSTRACT. The objectives of this study were to estimate the genetic parameters for Jatropha full-sib families and to select superior genotypes based on grain yield, adaptability, and stability simultaneously to be used for cloning and crossings. Grain yield was evaluated in thirteen full-sib families in a randomized block design for 5 years. The harmonic mean of the relative performance of genotypic values and reaction norm were performed to estimate the adaptability and stability, and sequentially the 30 superior individual plants were selected based on the predicted additive genotypic value for the last crop season. Families 4, 8, and 9 may be used to several regions of Brazil since they have high genotypic adaptability and stability. Individuals belonging to families 9, 8, 2, 1, 6, and 5 should be used for cloning or crossing to obtain the next-generation individuals, and consequently to continue the Jatropha breeding.

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Capacidade produtiva e progresso genético de pinhão-manso

Abstract: RESUMO O objetivo do presente estudo foi estimar parâmetros genéticos e avaliar o progresso genético dos principais componentes da produção de grãos do pinhão-manso. Para isso

Cited by 7 publications

References 10 publications

Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L

Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L

Progeny evaluation and early selection for plant height in Acacia mearnsii improve genetic gains

Selection of Jatropha full-sib families based on genotypic adaptability and stability via mixed models

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