Characterization of Indian walnut germplasm for nut and kernel traits

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Published

2025-03-29

DOI:

https://doi.org/10.58993/ijh/2025.82.1.11

Keywords:

Juglans regia L., genetic variability, morphology, kernel percentage, browning index.
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Issue

Vol. 82 No. 01 (2025): Indian Journal of Horticulture

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Research Articles

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Copyright (c) 2025 Sahil, R. M. Sharma Sharma, A.K. Goswami, K.K. Pramanick, V.S. Rana, Shruti Sethi, G.P. Mishra, O.C. Sharma, Amrender Kumar, R.R. Kumar, Nirmal Sharma, Kiran Kour, D.P. Sharma, M.K. Verma, Narendra Singh

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This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Authors

  • Sahil Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • R. M. Sharma Sharma
  • A.K. Goswami Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • K.K. Pramanick ICAR-Indian Agricultural Research Institute, Regional Station, Shimla 171004, Himachal Pradesh
  • V.S. Rana Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • Shruti Sethi Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • G.P. Mishra Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • O.C. Sharma ICAR-Central Institute of Temperate Horticulture, Srinagar 191132, Jammu and Kashmir
  • Amrender Kumar Division of Fruits and Horticultural Technology, ICAR-Indian Agricultural Research Institute, New Delhi, 110012
  • R.R. Kumar ICAR-Indian Agricultural Statistics Research Institute, New Delhi 110012
  • Nirmal Sharma S.K. University of Agricultural Sciences and Technology, Jammu 181101
  • Kiran Kour S.K. University of Agricultural Sciences and Technology, Jammu 181101
  • D.P. Sharma Department of Fruit Science, Dr. Y.S Parmar University of Horticulture & Forestry, Solan 173230, Himachal Pradesh
  • M.K. Verma ICAR-Central Institute of Temperate Horticulture, Srinagar 191132, Jammu and Kashmir
  • Narendra Singh ICAR-Indian Agricultural Research Institute, Gauria Karma 825405, Jharkhand

Abstract

In the present study, a total of 44 Indian walnut germplasms were evaluated for nut and kernel morphometric traits to characterize the seedling selections and study the genetic variability among the accessions. A wide range of variability for nut and kernel quantitative traits was observed. Nut length, nut diameter, nut weight, shell thickness, and the thickness of the dividing membrane, ranged from 30.42-50.04 mm, 28.93-47.87 mm, 8.74-21.68 g, 1.40-2.73 mm, and 0.16-1.42 mm, respectively. The kernel percentage among the studied Indian walnut germplasm ranged from 30.43 to 61.42%. The Bhushan genotype excelled with a shell whiteness index of 51.60, kernel size (similar to CITH-W-1), kernel weight of 12.99 g, and a kernel content of 61.42%. Overall, twelve selections, namely, Bhushan, PAD 1-23, CITH-W-6, CITH-W-8, CITH-W-12, CITH-W-16, CITH-W-17, CITH-W-22, Pusa Khor, W-1, W-2, and Gumma Selection-3, were identified as the most promising genetic resources for the crop improvement programmes.

How to Cite

Sahil, Sharma, R. M. S., A.K. Goswami, K.K. Pramanick, V.S. Rana, Shruti Sethi, … Narendra Singh. (2025). Characterization of Indian walnut germplasm for nut and kernel traits. Indian Journal of Horticulture, 82(01), 61–68. https://doi.org/10.58993/ijh/2025.82.1.11

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