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Genotype-by-Environment Interactions

  • P. M. Priyadarshan
Chapter

Abstract

A phenotype is the function of a genotype, the environment and the differential response of genotypes to different environments. This is known as genotype-by-environment (G × E) interaction. G × E is a statistical decomposition of variance and provides a measure of the relative performance of genotypes grown under different environments. These interactions were managed and analysed by the plant breeders during the history of crop domestication, crop improvement and dispersal.

Keywords

Statistical models for assessing G × E interactions Genotypes and environments Basic ANOVA and regression models Multiplicative models AMMI analysis Pattern analysis GGE biplot Measures of yield stability Software 

Abbreviations

AMMI

Additive main effect and multiplicative model

BLUP

Best linear unbiased prediction

COMM

Completely multiplicative model

FAMM

Factor analytic multiplicative mixed model

FR

Factorial regression

G × E

Genotype × environment interaction

GREG

Genotype regression model

LR

Linear regression

M × E

Marker × environment interaction

MET

Multi-environment trial

NCOI

Non-crossover interaction

PCA

Principal component analysis

PLSR

Partial least square regression

QTL

Quantitative trait locus

Q × E

QTL × environmental interaction

SHMM

Shifted multiplicative model

SVD

Singular value decomposition

SREG

Sites regression model

TPE

Target population of environments

Further Reading

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  4. Annicchiarico P (1997b) Additive main effects and multiplicative interaction (AMMI) of genotype-location interaction in variety trials repeated over years. Theor Appl Genet 94:1072–1077CrossRefGoogle Scholar
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  18. Yan W, Hunt LA, Sheng Q, Szlavnics Z (2000b) Cultivar evaluation and mega-environment investigation based on the GGE biplot. Crop Sci 40:597–605CrossRefGoogle Scholar

Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • P. M. Priyadarshan
    • 1
  1. 1.Erstwhile Deputy DirectorRubber Research Institute of IndiaKottayamIndia

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