Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm

Genetic divergence of 29 exotic walnut cultivars introduced from abroad and 25 local selections from seedling population was studied. The analysis of variance revealed significant differences among accessions for each character under study. Based on Mahalanobis D2 values the accessions were grouped...

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Main Authors: S. Sharma, K. Kumar, A. Kumar
Format: Article
Language:English
Published: Firenze University Press 2014-06-01
Series:Advances in Horticultural Science
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Online Access:https://oaj.fupress.net/index.php/ahs/article/view/18396
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author S. Sharma
K. Kumar
A. Kumar
author_facet S. Sharma
K. Kumar
A. Kumar
author_sort S. Sharma
collection DOAJ
description Genetic divergence of 29 exotic walnut cultivars introduced from abroad and 25 local selections from seedling population was studied. The analysis of variance revealed significant differences among accessions for each character under study. Based on Mahalanobis D2 values the accessions were grouped into eight clusters. Cluster I had a maximum of 12 accessions followed by cluster II with 11 accessions. The mean intra and inter cluster distance (D) revealed that cluster VII had the highest intra cluster distance (2.171), while the inter cluster distance was the greatest between cluster II and IV (10.528). Characters like plant height, trunk girth, plant spread, plant volume, leaf length, leaf width and number of leaflets contributed the most to total divergence.
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publisher Firenze University Press
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series Advances in Horticultural Science
spelling doaj-art-c974591c8bd04dd6969886d9c0b67c3c2025-08-20T03:36:21ZengFirenze University PressAdvances in Horticultural Science0394-61691592-15732014-06-0128310.36253/ahsc-18396Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasmS. Sharma0K. Kumar1A. Kumar2Division of Fruit Science, SKUAST, Jammu, Jammu and Kashmir, India.Department of Fruit Science, UHF, Nauni-Solan, Himachal Pradesh, India.Division of Fruit Science, SKUAST-Kashmir, Jammu and Kashmir, India. Genetic divergence of 29 exotic walnut cultivars introduced from abroad and 25 local selections from seedling population was studied. The analysis of variance revealed significant differences among accessions for each character under study. Based on Mahalanobis D2 values the accessions were grouped into eight clusters. Cluster I had a maximum of 12 accessions followed by cluster II with 11 accessions. The mean intra and inter cluster distance (D) revealed that cluster VII had the highest intra cluster distance (2.171), while the inter cluster distance was the greatest between cluster II and IV (10.528). Characters like plant height, trunk girth, plant spread, plant volume, leaf length, leaf width and number of leaflets contributed the most to total divergence. https://oaj.fupress.net/index.php/ahs/article/view/18396divergenceexotic cultivarsgrowthlocal selectionswalnut germplasm
spellingShingle S. Sharma
K. Kumar
A. Kumar
Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
Advances in Horticultural Science
divergence
exotic cultivars
growth
local selections
walnut germplasm
title Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
title_full Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
title_fullStr Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
title_full_unstemmed Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
title_short Genetic divergence studies regarding different growth and foliage characters of walnut (Juglans regia L.) germplasm
title_sort genetic divergence studies regarding different growth and foliage characters of walnut juglans regia l germplasm
topic divergence
exotic cultivars
growth
local selections
walnut germplasm
url https://oaj.fupress.net/index.php/ahs/article/view/18396
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AT akumar geneticdivergencestudiesregardingdifferentgrowthandfoliagecharactersofwalnutjuglansregialgermplasm