Authors:
R. Ponnuswamy ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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A. Rathore Statistics, Bioinformatics and Data Management, ICRISAT, Patancheru, Hyderabad, India

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A. Vemula Statistics, Bioinformatics and Data Management, ICRISAT, Patancheru, Hyderabad, India

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R.R. Das Statistics, Bioinformatics and Data Management, ICRISAT, Patancheru, Hyderabad, India

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A.K. Singh ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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D. Balakrishnan ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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H.S. Arremsetty ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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R.B. Vemuri ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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T. Ram ICAR-Indian Institute of Rice Research, Rajendranagar, Hyderabad, India

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The All India Coordinated Rice Improvement Project of ICAR-Indian Institute of Rice Research, Hyderabad organizes multi-location testing of elite lines and hybrids to test and identify new rice cultivars for the release of commercial cultivation in India. Data obtained from Initial Hybrid Rice Trials of three years were utilized to understand the genotype × environment interaction (GEI) patterns among the test locations of five different agro-ecological regions of India using GGE and AMMI biplot analysis. The combined analysis of variance and AMMI ANOVA for a yield of rice hybrids were highly significant for GEI. The GGE biplots first two PC explained 54.71%, 51.54% and 59.95% of total G + GEI variation during 2010, 2011 and 2012, respectively, whereas AMMI biplot PC1 and PC2 explained 46.62% in 2010, 36.07% in 2011 and 38.33% in 2012 of the total GEI variation. Crossover interactions, i.e. genotype rank changes across locations were observed. GGE biplot identified hybrids, viz. PAN1919, TNRH193, DRH005, VRH639, 26P29, Signet5051, KPH385, VRH667, NIPH101, SPH497, RH664 Plus and TNRH222 as stable rice hybrids. The discriminative locations identified in different test years were Coimbatore, Maruteru, VNR, Jammu, Raipur, Ludhiana, Karjat and Dabhoi. The AMMI1 biplot identified the adaptable rice hybrids viz., CNRH102, DRH005, NK6303, NK6320, DRRH78, NIPH101, Signet5050, BPH115, Bio452, NPSH2003, and DRRH83. The present study demonstrated that AMMI and GGE biplots analyses were successful in assessing genotype by environment interaction in hybrid rice trials and aided in the identification of stable and adaptable rice hybrids with higher mean and stable yields.

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Cereal Research Communications
Language English
Size A4
Year of
Foundation
1973
Volumes
per Year
1
Issues
per Year
4
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)