Growth, oil and protein yield of Jatropha curcas L. populations

Autores

  • Djair Felix Silva Centro Universitário Tiradentes
  • Luiz Antônio Santos Dias Universidade Federal de Viçosa, Departamento de Fitotecnia, Viçosa, MG.
  • Júlio César Lima Neves Universidade Federal de Viçosa, Departamento de Solos, Viçosa, MG.
  • Fábio Santos Matos Universidade Estadual de Goiás, Campus Ipameri, Vila Dona Nilza, Ipameri, GO

DOI:

https://doi.org/10.48075/actaiguaz.v10i1.26787

Palavras-chave:

Genetic improvement, Grain and oil production, Biodiesel.

Resumo


Jatropha curcas L. is an oilseed with multiple applications, especially the pharmaceutical-industrial one. Cultivation is still very low due to the lack of commercial varieties, therefore, with the need to start the genetic improvement program and select superior genotypes, it is essential to know the genetic variability of the culture. Thus, the purpose of this study was to evaluate the vegetative growth, grain yield and oil and protein content in seeds populations of Jatropha curcas, to support the species breeding program. The experiment was carried out at the University Federal de Viçosa, State of Minas Gerais, Brazil, using a randomized complete block split-plot design with four replications and 4-plant plots, spaced at 2.5 m. Each plot consisted of clones of six populations coming from the towns of Janaúba (J1, J2, J3, J4 and J5) and Bonfim (B1), located in Minas Gerais. The 4.5-year-old populations were evaluated for plant height, stem diameter, leaf and fruit dry matter, grain yield and oil and protein content. The populations presented different plant heights (2.97 m), stem diameters (13.49 cm) and leaf dry matter (0.818 g) amounts. The J5 population showed taller plants (3.29 m) with longer stem diameter (15.34 cm). The greatest dry leaf weight (0.864 g leaf-1) was observed in the J2 population. The populations did not present genetic variability for fruit dry matter, grain yield and oil and protein content. Overall, the J5 population stood out with the highest levels of growth, grain yield and seed oil (31.7%) content.

Biografia do Autor

Djair Felix Silva, Centro Universitário Tiradentes

Engenharias

Engenharia Ambiental

Luiz Antônio Santos Dias, Universidade Federal de Viçosa, Departamento de Fitotecnia, Viçosa, MG.

Universidade Federal de Viçosa, Departamento de Fitotecnia, Viçosa, MG.

Júlio César Lima Neves, Universidade Federal de Viçosa, Departamento de Solos, Viçosa, MG.

Universidade Federal de Viçosa, Departamento de Solos, Viçosa, MG.

 

Fábio Santos Matos, Universidade Estadual de Goiás, Campus Ipameri, Vila Dona Nilza, Ipameri, GO

Universidade Estadual de Goiás, Campus Ipameri, Vila Dona Nilza, Ipameri, GO

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Publicado

30-03-2021

Como Citar

SILVA, D. F.; DIAS, L. A. S.; NEVES, J. C. L.; MATOS, F. S. Growth, oil and protein yield of Jatropha curcas L. populations. Acta Iguazu, [S. l.], v. 10, n. 1, p. 70–80, 2021. DOI: 10.48075/actaiguaz.v10i1.26787. Disponível em: https://e-revista.unioeste.br/index.php/actaiguazu/article/view/26787. Acesso em: 15 ago. 2022.

Edição

Seção

ARTIGOS CIENTÍFICOS