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GGE biplot analysis of vegetable type soybean genotypes under multi-environmental conditions in India
Author(s) -
Vennampally Nataraj,
N. Pandey,
Rajkumar Ramteke,
P. Susan Verghese,
R. Subhash Reddy,
T. Onkarappa,
S. P. Mehtre,
Shalani Gupta,
Gyanesh K. Satpute,
Y. Chandra Mohan,
M. Shivakumar,
Subhash Chandra,
V. Rajesh
Publication year - 2021
Publication title -
journal of environmental biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.247
H-Index - 48
eISSN - 2394-0379
pISSN - 0254-8704
DOI - 10.22438/jeb/42/2/mrn-1405
Subject(s) - biplot , randomized block design , point of delivery , gene–environment interaction , genotype , biology , adaptability , microbiology and biotechnology , agronomy , mathematics , ecology , biochemistry , gene
Aim: To understand the magnitude and pattern of genotype-environment interaction in vegetable type soybeans and to identify mega environment(s) and best performing genotype(s) across environments. Methodology: Five vegetable type soybean genotypes were evaluated across five geographical locations viz., Indore, Parbhani, Adilabad, Bengaluru and Pune, during rainy season of 2018. Genotypes were grown in a plot size of 1.35 x 3 m2 in three replications in randomized block design. Data on green pod yield, green seed test weight, days to 50% flowering, days to maturity and plant height were recorded using standard methods. GGE biplot analysis was performed using software “GGE Biplot version 7.0”. Results: In the present investigation, except in case of green seed test weight, in remaining four traits, major portion of variation was contributed by location (52.95-79.4%) followed by genotype (17.7-42.7%) and genotype x location interaction (2.21-4.29%). Through GGE biplot analysis, Bengaluru was found to be near ideal environment and genotypes Karune and Harasoya were found to be the best performers across the locations with respect to green pod yield.Interpretation: Bengaluru was found to be near ideal environment for vegetable type soybean evaluation. Selection for genotypes having wider adaptability can be conducted at this location. Genotypes Karune and Harasoya were found to be the best performers with respect to green pod yield. These two genotypes can be included as parents for breeding as vegetable type soybean.Key words: GEE biplot, Multienvironmental analyses, Soybean genotypes

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