Genotype × environment interaction for fruit yield in Okra (Abelmoschus esculentus L.)

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Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
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Doi: 10.1007/s42535-022-00456-6
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Keywords: Abelmoschus esculentus L., Breeding, Eberhart and Russel Model, Stability analysis


Abstract


Genotype × Environment interaction and stability analysis performance were investigated to estimate the uniform performance of a genotype in different environmental conditions. For this purpose, okra (Abelmoschus esculentus L.) genotypes were tested for stability during 2018–19 using Eberhart and Russel Model. Genotypes were sown in three different environments viz. spring 2018, winter 2018 and spring 2019 according to Randomized Block Design (RBD). To check the stability of yield, the major stability parameters were calculated through coefficient of determination, mean yield, and regression coefficient. The genotypes viz., EC305615, EC305740, EC359637, IC014018, IC 014026, AKOLA BAHAR, IARI SELECTION 2 and AKO 107 were the most stable genotypes in terms of fruit yield and its components. Results of the study determined that genotypes stable for yield could be used for crop improvement breeding programmes to obtain uniform performance and higher yield under different environments.



                     Abelmoschus esculentus L., Breeding, Eberhart and Russel Model, Stability analysis


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Acknowledgements


The authors are highly grateful to the Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Phagwara, Punjab for the support to carry out the study and ICAR-National Bureau of Plant Genetic Resources, New Delhi for providing planting material.


Author Information


Ranga Aman Deep
Department of Vegetable Science, College of Horticulture, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, India
aman_ranga94@yahoo.com
Darvhankar Mayur S.
Department of Genetics and Plant Breeding, School of Agriculture, Lovely Professional University, Phagwara, India