Biogeographic and glacial history of walnut (<i>Juglans regia</i> L.)

Aradhya, Mallikarjuna K.; Velasco, Dianne; Preece, John E.; Kluepfel, Daniel A.

doi:10.17660/actahortic.2021.1318.2

Cited by 1 publication

(1 citation statement)

References 12 publications

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“…In recent investigations, the observed heterozygosity has been reported within the range of 0.57 to 1.00 (with an average of 0.80) as noted by Eser et al [53], 0.633 to 0.895 (with an average of 0.75) according to Balapanov et al [20], 0.548 to 0.927 (with an average of 0.803) in the research conducted by Zhou et al [54], 0.39 to 0.80 (with an average of 0.60) in a study by Orhan et al [48], and 0.250 to 0.833 (with an average of 0.514) as documented by Bujdoso and Cseke [55]. In this study, the average Ho ranged from 0.00 to 0.84, with a mean of 0.47, which agrees with the Ho of around 0.5 reported by Aradhya et al [56] for the region of Eurasia, while for walnut populations from Central Asia, Western Asia, and the Middle East, Pollegioni et al [57] found 0.559.…”

Section: Discussionsupporting

confidence: 90%

Molecular Characterization of Local Walnut (Juglans regia) Genotypes in the North-East Parnon Mountain Region of Greece

Manthos,

Sotiropoulos,

Karapetsi

et al. 2023

IJMS

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Walnut is one of the most important nuts regarding their production and consumption. The available but uncharacterized genetic resources of walnut are important for the development and breeding of local varieties. Greece holds an important number of genetically uncharacterized walnut landraces, especially within the area of Parnon, which is considered to play a significant role as an in situ gene bank, due to its unique location traits. However, the genetic characterization and further use of these resources has been insufficient, due to the absence of genetic studies. In this study, we implemented SSR molecular markers, both to genetically characterize the walnut tree genetic diversity of the Parnon area and to identify its unique genetic structure, which will form the starting material for subsequent breeding programs. Overall, high levels of genetic variation were found among the individual walnut accessions that were collected in the Parnon mountain region.

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