Genetic variability and divergence studies to identify superior germplasm for wine grape under semi-arid condition

Authors

  • Rutuja Nale Dept. of Horticulture, MPKV, Rahuri, Ahmednagar, Maharashtra (413 722), India
  • R G Somkuwar ICAR- National Research Centre for grapes, Pune, Maharashtra (412 307), India
  • Anju Bhagat Zonal Agricultural Research Station, Ganeshkhind, Pune (411067), Maharashtra, India
  • Pradip Kakade pradipkakade1234@gmail.com

Keywords:

Wine grape, Genotypic, Heritability, Phenotypic, Genetic diversity

Abstract

The present study was carried out during three seasons of forward pruning of 2020–21, 2021-2022 and 2022- 2023 at ICAR- National Research Centre for Grapes, Pune to assess genetic variability of wine grape germplasm. Seventy-five germplasm accessions were evaluated for various horticultural and yield contributing traits. The combined data from two years revealed significant difference among all the genotypes for the studied traits. Notably, germplasm Arka Hans, Arka Shyam, Clairette, Sauvignon Blanc, Muscat White, and Petit Syrah performed well across most of the studied traits. The pruning biomass demonstrated the highest phenotypic and genotypic of variability (68.39% and 68.28%, respectively). The horticultural traits such as bunch weight, berry weight, number of berries per bunch, seed weight, bunch width, berry length, compactness and peduncle length exhibited high heritability. Based on Mahalanobis D2 statistics, three cluster were identified with a majority of germplasm falling into cluster I group while cluster II showed highest intra-cluster similarity (3.86 %) that demonstrated maximum genetic diversity.

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Published

2025-12-28

How to Cite

Nale, R. ., Somkuwar, R. G. ., Bhagat, A. ., & Kakade, P. . (2025). Genetic variability and divergence studies to identify superior germplasm for wine grape under semi-arid condition. Current Horticulture, 13(4), 59–64. Retrieved from https://currenthorticulture.com/index.php/CURHOR/article/view/321

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Vol. 13 No. 4 (2025): October-December 2025

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