Coleta e caracterização morfológica de populações de porongo – Lagenaria siceraria (Mol.) Standl. - Cucurbitaceae

Authors

  • André Luís Lopes da Silva Acadêmico do Curso de Especialização em Biologia. Departamento de Biologia, Centro de Ciências Naturais e Exatas - CCNE Universidade Federal de Santa Maria - UFSM, Santa Maria, RS.
  • Renato Aquino Záchia Mestre, Professor de Botânica Sistemática. Departamento de Biologia, Centro de Ciências Naturais e Exatas - CCNE Universidade Federal de Santa Maria - UFSM, Santa Maria, RS.
  • Dilson Antônio Bisognin PhD em Genética e Melhoramento de Plantas. Centro de Ciências Rurais - CCR, Universidade Federal de Santa Maria - UFSM, Santa Maria, RS.
  • Jean Carlos Budke Acadêmico do Curso de Ciências Biológicas. Departamento de Biologia, Centro de Ciências Naturais e Exatas - CCNE Universidade Federal de Santa Maria - UFSM, Santa Maria, RS.

DOI:

https://doi.org/10.5902/2179460X27227

Keywords:

Lagenaria siceraria, Cucurbitaceae, Germplasm, Morphologic characterization.

Abstract

Fruits of Lagenaria siceraria (Mol.) Standl. were collected in the municipal district of Santa Maria and Jaguarí (RS) with the objective of characterizing some local races used by the producers. Three populations of L. siceraria were characterized and classified as casco-grosso caciquense, casco-fino caciquense and casco-grosso precoce. It was made a morphologic characterization based on descriptors of mature fruit, seeking to verify the existent genetic divergence among these local races. The data were submitted the grouping analysis, as dissimilarity measure was used the distance of Mahalanobis (D²) and the used grouping methods were the "Método do vizinho mais próximo" (Single Linkage Method) and the method of Tocher, these methods obtained the populations in two heterogeneous groups. The porongo populations collected in Santa Maria didn't show genetic divergence being placed in the same group and the population collected in Jaguarí it was placed in another group.

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References

BISOGNIN, D. A .; AUDE, M. I. S.; MARCHEZAN, E. Densidade de semeadura e produtividade do porongo. Ciência Rural, Santa Maria, v. 22(1) p. 15-19, 1992.

BISOGNIN, D. A.; STORCK L. Estimativa dos componentes de variância e herdabilidade para formato de fruto em porongo - Lagenaria siceraria (MoI.) Standl. Ciência Rural, v. 30, n.4, p.593-597, 2000.

BISOGNIN, D. A., ESTEFANEL, V. Determinação do tamanho de parcela na cultura do porongo. Ciência Rural, v.18(3-4):197-200,1988.

CRUZ, C. D., REGAZZI. A.J. Modelos biométricos aplicados ao melhoramento genético. Viçosa. MG: Editora UFV, 1994. 394 p.

ESQUINAS-ALCAZAR, J. T., GULlCK, P. J. Genetic resources of cucurbitaceae. Rome: IBPGR secretariat, 1983, 101 p.

HOWES, C. Guidelines for developing descriptors lists. Plant Genetic Resources Newsletter, n. 45. P. 26-32, 1981.

RAO, C.R. Advanced statistical methods in biometric research. New York: Hafner, 1952. 390 p.

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Published

2002-12-09

How to Cite

Silva, A. L. L. da, Záchia, R. A., Bisognin, D. A., & Budke, J. C. (2002). Coleta e caracterização morfológica de populações de porongo – Lagenaria siceraria (Mol.) Standl. - Cucurbitaceae. Ciência E Natura, 24(24), 91–100. https://doi.org/10.5902/2179460X27227

Issue

CIÊNCIA E NATURA, V. 24, N. 24, 2002

Section

Articles

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