Characterization of Indian walnut germplasm for nut and kernel traits
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https://doi.org/10.58993/ijh/2025.82.1.11Keywords:
Juglans regia L., genetic variability, morphology, kernel percentage, browning index.Issue
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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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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.Abstract
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