Linear relations among traits alfalfa cultivars

Autores/as

  • Lais Cherobini Federal University of Santa Maria https://orcid.org/0000-0002-6431-4653
  • Alberto Cargnelutti Filho Federal University of Santa Maria https://orcid.org/0000-0002-8608-9960
  • Murilo Vieira Loro Federal University of Santa Maria
  • Vithória Morena Ortiz University Federal of Santa Maria
  • João Augusto Andretta University Federal of Santa Maria
  • João Carlos Denardin Junior Federal University of Santa Maria
  • Marcelo Konrad Federal University of Santa Maria https://orcid.org/0009-0001-0902-3140
  • Mikael Brum dos Reis Federal University of Santa Maria https://orcid.org/0000-0003-4226-690X
  • Rodrigo Pereira Soares Federal University of Santa Maria

Palabras clave:

Medicago sativa L., Forage, Uniformity trial, Correlation

Resumen

The objective of this work was to verify whether there are positive linear relations among traits of two alfalfa cultivars and which traits can be used for indirect selection. To this end, two uniformity trials were conducted, one with the Crioula cultivar and the other with the Trifecta cultivar, in Santa Maria, RS. Sowing was carried out manually on November 27, 2023. At flowering, 110 plants of each cultivar were randomly collected. In each plant, the traits evaluated were: plant height (PH), number of nodes (NN), fresh matter mass (FM) and dry matter mass (DM). For each cultivar, the matrix of Pearson's linear correlation coefficients (r) between the four traits was determined, with significance verified using Student's t test at 5%. The parameters of the regression tree algorithm were estimated to predicting FM and DM as a function of PH and NN. Among the traits of the Crioula cultivar, the r ranged from 0.30 (NN vs DM) to 0.97 (FM vs DM), with an average of 0.51. Among the traits of the Trifecta cultivar, the r ranged from 0.24 (NN vs FM) to 0.97 (FM vs DM) with an average of 0.51. There are positive linear relations between the traits plant height, number of nodes, fresh matter mass and dry matter mass, of the alfalfa cultivars Crioula and Trifecta. Plant height has positive linear relations with the fresh and dry matter masses of the aerial part and can be used for indirect selection.

Biografía del autor/a

Lais Cherobini, Federal University of Santa Maria

Student of the Prostgraduate Program in Agronomy

Alberto Cargnelutti Filho, Federal University of Santa Maria

Professor at the Department of Phytotechniques

Murilo Vieira Loro, Federal University of Santa Maria

Substitute Professor of Genetic Improvement and Agricultural Experimentation

Vithória Morena Ortiz, University Federal of Santa Maria

Rural Science, Department of Phytotechnics

João Augusto Andretta, University Federal of Santa Maria

Student of the Agronomy Course

João Carlos Denardin Junior, Federal University of Santa Maria

Student of the Statistics Course

Marcelo Konrad, Federal University of Santa Maria

Student of Agronomy Course

Mikael Brum dos Reis, Federal University of Santa Maria

Student of Agronomy Course

Rodrigo Pereira Soares, Federal University of Santa Maria

Student of Agronomy Course

Citas

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Publicado

04-11-2024

Cómo citar

Cherobini, L., Filho, A. C., Loro, M. V., Ortiz, V. M., Andretta, J. A., Junior, J. C. D., … Soares, R. P. (2024). Linear relations among traits alfalfa cultivars. Sigmae, 13(4), 41–51. Recuperado a partir de https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/2512

Número

Sección

Applied Statistics