Vegetos
(An International Journal of Plant Research & Biotechnology)
Exploring the morphological and biochemical characteristics of Kharif onion (Allium cepa L.): principal component and path coefficient analysis
Sahoo Bibhuti Bhusan, Panda Debabrata, Panda Amitabh, Gupta Amar Jeet, Tripathy Pradyumna, Senapati Niranjan, Bhupenchandra Ingudam, Singh Satyapriya, Mohanty Sansuta, Dasgupta Madhumita
Research Articles | Published: 13 August, 2024
First Page: 2041
Last Page: 2050
Views: 2095
Keywords: n Allium cepa L., n Dn 2 analysis, Genetic heritability, Genetic variability, Genotypic correlation and path coefficients
Abstract
To determine the agroeconomic traits of onion during monsoon season, nineteen onion genotypes were evaluated under the Eastern Ghat High Land zone of Odisha. The path analysis showed that three main factors influencing onion bulb production are plant height, bulb length, and bulb diameter. Sukhasagar and Arka Niketan contributed maximum towards diversity, followed by Bhima Safed and NHRDF Red. Principal component analysis (PCA) revealed that first principal component explained (30.01%) of the total variation, mainly related to the number of leaves per pseudo–stem, bulb height, bulb diameter, leaf diameter, bulb predominant number of axes, whereas second component explained (20.69%) of the total variation. Bhima Raj, Arka Niketan and Bhima Red produced highest percentage of marketable bulb yield, superior bulb quality and extended storage life. Bhima Raj, Bhima Red and Arka Niketan performed better in monsoon season, which can be recommended for large-scale off-season onion cultivation.
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Author Information
Regional Research and Technology Transfer Station, Odisha University of Agriculture and Technology, Bhawanipatna, India