Agronomic Characteristics Correlation of Sunflower Genotypes Grown in the Second Crop in the Cerrado
Onassis Henrique Simon Rondon, Dayana Aparecida de Faria, Anne Caroline Dallabrida Avelino, Dryelle Sifuentes Pallaoro, Aluisio Brigido Borba Filho, Victor Arlindo Taveira de Matos, Joadil Gonçalves de Abreu, Wesley Nadin, Wender Mateus Peixoto, Yasmim Rodrigues Vilas Boas e Silva, Luciano da Silva Cabral
Journal of Experimental Agriculture International · pp. 1–9 · Published 30 May 2019
10.9734/jeai/2019/v36i630249Abstract
The present work aimed to evaluate the correlation of the agronomic characteristics of sunflower genotypes grown for seven years in the state of Mato Grosso, Brazil, as an aid for the indirect selection of genotypes. The data were obtained from experiments conducted in the period from 2009 to 2017, in the municipality of Campo Verde, Mato Grosso state, Brazil, using different sunflower genotypes. Pearson correlation analysis was performed between the following agronomic characteristics: Initial flowering (IF), physiological maturation (PM), plant height (PH), thousand achene weight (TAW), achene yield (AY), oil content (OC) and oil yield (OY). A strong positive correlation (r = 0.75*) was observed between IF and AY, and a moderately strong positive correlation (r = 0.67*) between PM and AY. There was a negative correlation (r = -0.51*) between TAW and OC, as well as between plant height and achene yield (r = -0.32*) and oil yield (r = -0.34*). Late-cycle genotypes showed a positive correlation with achene yield and oil yield. Smaller plants favor productive parameters. Further studies and the anticipation of the crop sowing season in the second crop are suggested due to the local edaphoclimatic conditions.
Cited by 2
Elisa Teófilo Ferreira, Lucas Eduardo Santana Caetano, Júlia Messias Bressan Candido · Agronomy · 2025
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