The Asian Journal of Horticulture

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Genotype x Environment Interaction and Stability Analysis for Fruit Yield and Quality Traits in Pineapple (Ananas comosus)


Affiliations
1 ICAR-Krishi Vigyan Kendra, Thirupathisaram (T.N.), India
2 Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai (T.N.), India
3 Department of Fruits, Horticultural College and Research Institute, Periyakulam (T.N.), India
     

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The present study was conducted to assess the existence of genotype × environmental (G × E) interactions and stability for yield and quality related traits in pineapple using four varieties over seven locations during the year 2012-13. Pooled analysis of variance over seven locations revealed that the genotypic variances were highly significant for all the characters which revealed considerable genetic variability in the population. Stability parameters revealed that the genotype 'Amritha' was found better under poor environments. 'Mauritius' and 'Amritha' showed stable and consistent performance for all quantitative and qualitative traits whereas, 'Mauritius' had above average response and high stability in better environments for yield only. Thus, genotypes 'Amritha' and 'Mauritius' may be utilized in hybrid breeding programme to exploit their consistent performance in all order of yield.

Keywords

Genotype x Environment Interaction, Stability, Quality, Yield.
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  • Genotype x Environment Interaction and Stability Analysis for Fruit Yield and Quality Traits in Pineapple (Ananas comosus)

Abstract Views: 285  |  PDF Views: 1

Authors

M. I. Manivannan
ICAR-Krishi Vigyan Kendra, Thirupathisaram (T.N.), India
G. Anand
Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai (T.N.), India
S. Irulandi
Department of Fruits, Horticultural College and Research Institute, Periyakulam (T.N.), India

Abstract


The present study was conducted to assess the existence of genotype × environmental (G × E) interactions and stability for yield and quality related traits in pineapple using four varieties over seven locations during the year 2012-13. Pooled analysis of variance over seven locations revealed that the genotypic variances were highly significant for all the characters which revealed considerable genetic variability in the population. Stability parameters revealed that the genotype 'Amritha' was found better under poor environments. 'Mauritius' and 'Amritha' showed stable and consistent performance for all quantitative and qualitative traits whereas, 'Mauritius' had above average response and high stability in better environments for yield only. Thus, genotypes 'Amritha' and 'Mauritius' may be utilized in hybrid breeding programme to exploit their consistent performance in all order of yield.

Keywords


Genotype x Environment Interaction, Stability, Quality, Yield.

References