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Stability of experimental winter maize hybrids tested across the environment of Bihar using GGE biplot and AMMI analysis

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Title Stability of experimental winter maize hybrids tested across the environment of Bihar using GGE biplot and AMMI analysis
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Creator S. B. Singh, Santosh Kumar, Yathish KR, BS Jat, Chikkappa GK, Bhupender Kumar, B. Kumar, Ajay Kumar, RK Kasana, S. Rakshit
 
Subject AMMI analysis, GGE biplot, stability, winter maize
 
Description Not Available
Maize (Zea mays L) being of a protean nature crop acclimate facilely to a wide range
of production environments. Maize is the highest contributor of more than 1046
million tonne (FAOSTAT, 2018) annually to the global food basket among the cereal
food crops out of which India shares around 2.2% with production of 26.26 MT from
10.20 million hectare. The projected demand for maize in India is expected to be 45
Mn MT of Maize by the year 2022. To meet this demand, there is need to develop
high yielding and highly stable single cross hybrid varieties. The phenotype of the
hybrid is the result of Genotype (G) x Environment (E), such G x E interaction effect
poses problem to the breeder while selecting a genotype with consistent performance
across different environments. Multi-location testing of cultivars plays a key role in
any breeding programme. Hence, looking into the above facts, multilocation testing of
thirty two newly crossed hybrids along with four checks DHM-117, BIO-9544, P-
3396 & DKC-9081 was made across six environments i.e. three locations viz.
Begusarai, Sabour & Dholi and two seasons (rabi 2017-18 & rabi 2018-19) in the
Bihar, India using GGE biplot & AMMI model to analyze and interpret the complex
GEI in MLT data. The objectives of the study was to estimate the G×E of hybrids,
identify high yielding single cross maize hybrids with high stability and partition of
testing location into mega environments. Analysis of variance clearly showed the
significant effect of G, E and GE for all the traits studied. It was observed that
environment was the most important source of variation for all the traits. For trait
grain yield, environment contributed for 77.84% of the variation while 16.31% and
5.72% contribution of the total variation was made by the genotype and GE
respectively. Performance and stability of the genotypes were visualized graphically
through GGE biplot. The first two PC (Principal component) explained 71.92%
variation for grain yield, 86.6%, 64.49% & 98.48% for the traits grain filling duration,
ear height & anthesis silking interval respectively. Hybrids IMHSBM-28 &
IMHSBM􀀐36 was observed as the high yielding as well as highly stable across the
location. Which won where graph showed that IMHSBM-1 was winning genotype in
Begusarai environment for both the seasons while genotype IMHSBM-17 &
IMHSBM-24 was winning in both Sabour & Dholi environment for the trait grain
yield.
ICAR-IIMR
 
Date 2020-12-31T10:57:13Z
2020-12-31T10:57:13Z
2020-02-09
 
Type Presentation
 
Identifier S. B. Singh, Santosh Kumar, Yathish KR, BS Jat, Chikkappa GK, Bhupender Kumar, B. Kumar, Ajay Kumar, RK Kasana, S. Rakshit. Poster presentation on Stability of experimental winter maize hybrids tested across the environment of Bihar using GGE biplot and AMMI analysis in Souvenir National Seminar on ‘’Maize for Crop Diversification under Changing Climatic Scenario pp 111-112
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http://krishi.icar.gov.in/jspui/handle/123456789/44325
 
Language English
 
Relation Not Available;
 
Publisher ICAR-Indian Institute of Maize Research. Ludhiana