Asian Journal of Bio Science

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Multivariate Analysis and Choice of Parent for Hybridization in Apple (Malus X domestica Borkh.)


Affiliations
1 Department of Fruit Breeding and Genetic Resourses, Dr. Y. S. Parmar University of Horticulture and forestry, Nauni, Solan, H.P., India
2 Division of Fruit Science, Sher-e-kashmir University of Agricultural Sciences and Technology, Jammu, J&K, India
     

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Medium quantum of genetic divergence was observed among sixteen apple genotypes under the present study. All the genotypes, on the basis of total variability were grouped into four distinct clusters. Maximum number of cultivars were accommodated in cluster IV (Fuji, Gala, Jonadel, Jonagold, Red Fuji, Royal Gala and Spijon) followed by cluster I (Arlet, Ruspippin, Sinta and Summerred), Cluster III (Crimson Gold, Elstar and Neomi) and cluster II ('Spartan' and 'Quinte'). Cluster IV had highest intra cluster value (9.32) so was most divergent and cluster I having least intra cluster value (8.20) was least divergent. Highest value (30.331) for inter cluster distance was recorded between cluster I and II while it was lowest (9.994) between cluster III and IV. Cluster means were maximum in cluster II followed by cluster I, cluster III and cluster IV. Neomi was best cultivars for fruit yield/plant, fruit length, fruit diameter, fruit weight, total sugars and non-reducing sugars, however, Jonagold was best for TSS. Cultivars Spartan, Elstar, Royal Gala, Jonagold and Summerred would prove best for different vegetative characters.

Keywords

Apple, Cluster analysis, D2 statistics, Genetic divergence
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  • Multivariate Analysis and Choice of Parent for Hybridization in Apple (Malus X domestica Borkh.)

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Authors

Girish Sharma
Department of Fruit Breeding and Genetic Resourses, Dr. Y. S. Parmar University of Horticulture and forestry, Nauni, Solan, H.P., India
Rubiqua Bashir
Department of Fruit Breeding and Genetic Resourses, Dr. Y. S. Parmar University of Horticulture and forestry, Nauni, Solan, H.P., India
Nirmal Sharma
Division of Fruit Science, Sher-e-kashmir University of Agricultural Sciences and Technology, Jammu, J&K, India
Mahital Jamwal
Division of Fruit Science, Sher-e-kashmir University of Agricultural Sciences and Technology, Jammu, J&K, India

Abstract


Medium quantum of genetic divergence was observed among sixteen apple genotypes under the present study. All the genotypes, on the basis of total variability were grouped into four distinct clusters. Maximum number of cultivars were accommodated in cluster IV (Fuji, Gala, Jonadel, Jonagold, Red Fuji, Royal Gala and Spijon) followed by cluster I (Arlet, Ruspippin, Sinta and Summerred), Cluster III (Crimson Gold, Elstar and Neomi) and cluster II ('Spartan' and 'Quinte'). Cluster IV had highest intra cluster value (9.32) so was most divergent and cluster I having least intra cluster value (8.20) was least divergent. Highest value (30.331) for inter cluster distance was recorded between cluster I and II while it was lowest (9.994) between cluster III and IV. Cluster means were maximum in cluster II followed by cluster I, cluster III and cluster IV. Neomi was best cultivars for fruit yield/plant, fruit length, fruit diameter, fruit weight, total sugars and non-reducing sugars, however, Jonagold was best for TSS. Cultivars Spartan, Elstar, Royal Gala, Jonagold and Summerred would prove best for different vegetative characters.

Keywords


Apple, Cluster analysis, D2 statistics, Genetic divergence

References