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1998•Indian Journal of Plant Genetic ResourcesOpen access

Genetic divergence in tomato

S.N.S. Chaurasia, Major Singh

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Abstract

Seventy one genotypes of tomato were evaluated during 1993–94 and 1994–95. Significant differences were observed for all the characters studied. Based on Mahalanobis D2 values, genotypes were grouped into 9 clusters in 1993–94 & 10 clusters in 1994–95. Fruit weight showed maximum contribution to the genetic diversity in both years followed by plant height. Considering cluster distances and cluster means the genotypes KS-7, DVRT-2, Antey and PS-1 were recommended the best parents for hybridization.

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Seventy one genotypes of tomato were evaluated during 1993–94 and 1994–95. Significant differences were observed for all the characters studied. Based on Mahalanobis D2 values, genotypes were grouped into 9 clusters in 1993–94 & 10 clusters in 1994–95. Fruit weight showed maximum contribution to the genetic diversity in both years followed by plant height. Considering cluster distances and cluster means the genotypes KS-7, DVRT-2, Antey and PS-1 were recommended the best parents for hybridization.

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Available abstract

Seventy one genotypes of tomato were evaluated during 1993–94 and 1994–95. Significant differences were observed for all the characters studied. Based on Mahalanobis D2 values, genotypes were grouped into 9 clusters in 1993–94 & 10 clusters in 1994–95. Fruit weight showed maximum contribution to the genetic diversity in both years followed by plant height. Considering cluster distances and cluster means the genotypes KS-7, DVRT-2, Antey and PS-1 were recommended the best parents for hybridization.

Key concepts: Genetic divergence, Mahalanobis distance, Veterinary medicine, Genetic diversity, Forensic science, Genotype, Biology, Insomnia

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