Genetic divergence in tomato grown in subtropical mid-hills of Meghalaya

Published

2014-12-25

Keywords:

Tomato, genetic divergence, quantitative and qualitative characters.
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Authors

  • R.P. Thapa Division of Horticulture, ICAR Research Complex for NEH Region, Umaim 793103, Meghalaya
  • A.K. Jha Division of Horticulture, ICAR Research Complex for NEH Region, Umaim 793103, Meghalaya
  • B.C. Deka Division of Horticulture, ICAR Research Complex for NEH Region, Umaim 793103, Meghalaya
  • A.N. Krishna Reddy Division of Horticulture, ICAR Research Complex for NEH Region, Umaim 793103, Meghalaya
  • V.K. Verma Division of Horticulture, ICAR Research Complex for NEH Region, Umaim 793103, Meghalaya
  • R.K. Yadav Division of Vegetable Science, IARI, New Delhi

Abstract

Genetic divergence analysis was carried out in 30 tomato genotypes using Mahalonabis D2 statistics. These genotypes were grouped into five clusters based on nineteen characters. Maximum divergence was recorded between clusters III and IV followed by cluster IV and V. Genotype MT-4 (Oval big) of cluster III was found to be best for yield and related traits, like number of primary branches, fruit length, diameter, weight and yield per plant. Similarly, BT-10 of cluster IV was suitable for quality traits, like TSS, ascorbic acid, juice, β-carotene and lycopene content. Genotypes of cluster III and IV can be used for the development of hybrid/ varieties having higher yield and quality.

How to Cite

Thapa, R., Jha, A., Deka, B., Reddy, A. K., Verma, V., & Yadav, R. (2014). Genetic divergence in tomato grown in subtropical mid-hills of Meghalaya. Indian Journal of Horticulture, 71(4), 581–583. Retrieved from https://journal.iahs.org.in/index.php/ijh/article/view/1400

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