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CORRElATION AND PATH ANALYSIS IN SUNFLOWER (HELIANTHUS ANNUUS L.)

R. Vidhyavathi, Prathipati Naga Durga Mahalakshmi, N. Manivannan, V. Murulidharan

Open publisher page 35 citations

Abstract

Twenty nine sunflower genotypes were evaluated to study the association between characters through correlation and path analysis. The correlation study revealed that seed yield/plant had significant positive correlation with head diameter followed by plant height. The path analysis indicated that the characters plant height and head diameter had high and medium positive direct effect on seed yield respectively. Hence plant height and head diameter can be taken as selection indices for sunflower crop improvement programme. Non association of seed characters and oil content (seed and kernel) indicated the possibility of selection for non-oilseed or confectionery types.

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What this paper is about

Twenty nine sunflower genotypes were evaluated to study the association between characters through correlation and path analysis. The correlation study revealed that seed yield/plant had significant positive correlation with head diameter followed by plant height. The path analysis indicated that the characters plant height and head diameter had high and medium positive direct effect on seed yield respectively. Hence plant height and head diameter can be taken as selection indices for sunflower crop improvement programme. Non association of seed characters and oil content (seed and kernel) indicated the possibility of selection for non-oilseed or confectionery types.

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Available abstract

Twenty nine sunflower genotypes were evaluated to study the association between characters through correlation and path analysis. The correlation study revealed that seed yield/plant had significant positive correlation with head diameter followed by plant height. The path analysis indicated that the characters plant height and head diameter had high and medium positive direct effect on seed yield respectively. Hence plant height and head diameter can be taken as selection indices for sunflower crop improvement programme. Non association of seed characters and oil content (seed and kernel) indicated the possibility of selection for non-oilseed or confectionery types.

Key concepts: Sunflower, Path analysis (statistics), Helianthus annuus, Forensic science, Non-invasive ventilation, Correlation, Selection (genetic algorithm), Horticulture

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