Correlation and path analysis in wheat traits

Authors

DOI:

https://doi.org/10.5902/2179460X83803

Keywords:

Triticum aestivum L., Uniformity trials, Linear relation

Abstract

The objective of this work was to verify if there are linear relations between wheat (Triticum aestivum L.) traits obtained through measurement, counting, and weighing. In 17 uniformity trials, 630, 630, 100, 100, and 330 wheat plants of the cultivars TBIO Energia I, TBIO Energia II, TBIO Sossego, TBIO Toruk, and TBIO Audaz were randomly harvested, respectively. In these 1790 plants, traits were evaluated through measurement: main stem length and main stem ear length; count: numbers of leaves, stems, and ears; and weighing: fresh and dry matter of leaves, stems, ears, and shoots. The linear relations between these 13 traits were investigated through correlation and path analyses. There are linear relations between wheat traits, obtained through measurement, counting, and weighing. The number of ears per plant has a positive linear relation with the amounts of fresh and dry matter in shoots. The fact that there is no need to destroy the plants to count the ears makes it possible to select plants aiming at increasing the fresh and dry matter of shoots, keeping them in the field.

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Author Biographies

Alberto Cargnelutti Filho, Universidade Federal de Santa Maria

He completed his doctorate in Agronomy at the Federal University of Santa Maria in 2002. He is currently Adjunct Professor II in the Department of Phytotechnics at the Federal University of Santa Maria. He works in the area of ​​Experimental Statistics, with an emphasis on Experimental Techniques, Experiment Planning, Biometrics applied to Plant Genetic Improvement and Statistical Climatology. In his Lattes curriculum, the most frequent terms in the context of scientific, technological and artistic-cultural production are: Zea mays L., Phaseolus vulgaris L., cultivar evaluation, experimental precision, probability, sample size.

Ismael Mario Márcio Neu, Universidade Federal de Santa Maria

Graduate of the Doctoral Course of the Postgraduate Program in Agronomy, Santa Maria, RS, Brazil

Daniela Lixinski Silveira, Universidade Federal de Santa Maria

Graduate of the Doctoral Course of the Postgraduate Program in Agronomy, Santa Maria, RS, Brazil

Valéria Escaio Bubans, Universidade Federal de Santa Maria

Graduate of the Doctoral Course of the Postgraduate Program in Agronomy, Santa Maria, RS, Brazil

Samanta Luiza da Costa, Universidade Federal de Santa Maria

Graduate of the Agronomy Course, Santa Maria, RS, Brazil

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Published

2024-11-01

How to Cite

Cargnelutti Filho, A., Neu, I. M. M., Silveira, D. L., Bubans, V. E., & Costa, S. L. da. (2024). Correlation and path analysis in wheat traits. Ciência E Natura, 46, e83803. https://doi.org/10.5902/2179460X83803

Issue

Vol. 46 (2024): Publicação contínua

Section

Statistics

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