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Klára Cseke
Forest Research Institute, University of Sopron, Várkerület 30/A, 9600 Sárvár, Hungary

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Journal article
Published: 11 August 2021 in Diversity
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Understanding intraspecific genetic variation is one of the principal requirements for the evaluation of tree species capacity to cope with intensive climatic changes, as well as designing long-term conservation programs. Herein, we evaluated the genetic diversity and genetic structure of seven pedunculate oak (Quercus robur L.) populations, located at the southern margin of its distribution range on the Balkan Peninsula (Serbia). The objective of the study was to propose future in situ conservation measures aimed at protection of pedunculate oak adaptive and neutral genetic diversity at the species rear-edge. Genetic diversity and structure were estimated using twelve highly polymorphic simple sequence repeat (SSR) markers. The mean expected heterozygosity (He) was 0.769, allelic richness (AR) 9.63, and private allelic richness (pAR) 0.79, indicating high genetic diversity in the studied populations. Genetic differentiation among the populations was low (Fst = 0.032). Structure analysis, the unweighted pair group method with arithmetic mean (UPGMA) showed the existence of two gene pools unrelated to the populations’ area of occurrence. Taking into consideration the results of the current study and previous conservation activities on the pedunculate oak in Serbia, as well as the importance of rear-edge populations in the long-term conservation of the species genetic diversity, we suggested establishing three additional gene conservation units for securing long-term sustainability of the species.

ACS Style

Lazar Kesić; Klára Cseke; Saša Orlović; Dejan B. Stojanović; Saša Kostić; Attila Benke; Attila Borovics; Srđan Stojnić; Evangelia V. Avramidou. Genetic Diversity and Differentiation of Pedunculate Oak (Quercus robur L.) Populations at the Southern Margin of Its Distribution Range—Implications for Conservation. Diversity 2021, 13, 371 .

AMA Style

Lazar Kesić, Klára Cseke, Saša Orlović, Dejan B. Stojanović, Saša Kostić, Attila Benke, Attila Borovics, Srđan Stojnić, Evangelia V. Avramidou. Genetic Diversity and Differentiation of Pedunculate Oak (Quercus robur L.) Populations at the Southern Margin of Its Distribution Range—Implications for Conservation. Diversity. 2021; 13 (8):371.

Chicago/Turabian Style

Lazar Kesić; Klára Cseke; Saša Orlović; Dejan B. Stojanović; Saša Kostić; Attila Benke; Attila Borovics; Srđan Stojnić; Evangelia V. Avramidou. 2021. "Genetic Diversity and Differentiation of Pedunculate Oak (Quercus robur L.) Populations at the Southern Margin of Its Distribution Range—Implications for Conservation." Diversity 13, no. 8: 371.

Correction
Published: 28 June 2021 in Annals of Forest Science
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ACS Style

Endre Gy Tóth; Zoltán A. Köbölkuti; Klára Cseke; József D. Kámpel; Roland Takács; Vladimir T. Tomov; Péter Ábrán; Srdjan Stojnic; Erna Vastag; Milan Mataruga; Vanja Daničić; Egzon Tahirukaj; Petar Zhelev; Sasa Orlovic; Attila Benke; Attila Borovics. Correction to: A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central‑Eastern Europe and Balkan Peninsula. Annals of Forest Science 2021, 78, 1 -1.

AMA Style

Endre Gy Tóth, Zoltán A. Köbölkuti, Klára Cseke, József D. Kámpel, Roland Takács, Vladimir T. Tomov, Péter Ábrán, Srdjan Stojnic, Erna Vastag, Milan Mataruga, Vanja Daničić, Egzon Tahirukaj, Petar Zhelev, Sasa Orlovic, Attila Benke, Attila Borovics. Correction to: A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central‑Eastern Europe and Balkan Peninsula. Annals of Forest Science. 2021; 78 (3):1-1.

Chicago/Turabian Style

Endre Gy Tóth; Zoltán A. Köbölkuti; Klára Cseke; József D. Kámpel; Roland Takács; Vladimir T. Tomov; Péter Ábrán; Srdjan Stojnic; Erna Vastag; Milan Mataruga; Vanja Daničić; Egzon Tahirukaj; Petar Zhelev; Sasa Orlovic; Attila Benke; Attila Borovics. 2021. "Correction to: A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central‑Eastern Europe and Balkan Peninsula." Annals of Forest Science 78, no. 3: 1-1.

Journal article
Published: 23 April 2021 in Plants
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The old walnut (Juglans regia L.) genotype called “Esterhazy II” was well-known in the Austro-Hungarian Monarchy before World War II, and it can still be found in the Austrian, German and Swiss backyard gardens today. Unfortunately, nowadays, vegetatively propagated progenies of the original “Esterhazy II” are not available anymore around the world because walnut grafting started later than this genotype had become well-known. Although various accessions with “Esterhazy II”-“blood“ are available, it is difficult to determine which one can be considered true or the most similar to the original one. In this paper, phenological and nut morphological characteristics of an “Esterhazy II” specimen planted in a Hungarian gene bank were compared to the varieties “Milotai 10” and “Chandler”. Examined characteristics were: budbreak, blossom time, type of dichogamy, ripening time, nut and kernel features. An additional SSR fingerprinting was used to identify identical genotypes and to demonstrate the relatedness of the analyzed “Esterhazy II” genotype to the other Hungarian walnut cultivars. It can be concluded that under the name “Esterhazy II”, several different genotypes can be observed. All the checked characteristics except budbreak fitted well with the previous descriptions. Our results confirmed that the examined “Esterhazy II” genotype shows high similarity to the “original“ “Esterhazy II” described in the literature.

ACS Style

Geza Bujdoso; Benjamin Illes; Virag Varjas; Klara Cseke. Is “Esterhazy II”, an Old Walnut Variety in the Hungarian Gene Bank, the Original Genotype? Plants 2021, 10, 854 .

AMA Style

Geza Bujdoso, Benjamin Illes, Virag Varjas, Klara Cseke. Is “Esterhazy II”, an Old Walnut Variety in the Hungarian Gene Bank, the Original Genotype? Plants. 2021; 10 (5):854.

Chicago/Turabian Style

Geza Bujdoso; Benjamin Illes; Virag Varjas; Klara Cseke. 2021. "Is “Esterhazy II”, an Old Walnut Variety in the Hungarian Gene Bank, the Original Genotype?" Plants 10, no. 5: 854.

Data paper
Published: 19 April 2021 in Annals of Forest Science
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Key message This genomic dataset provides highly variable SNP markers from georeferenced natural Quercus petraea (Matt.) Liebl. populations collected in Bulgaria, Hungary, Romania, Serbia, Bosnia and Herzegovina, Kosovo* and Albania. These SNP loci can be used to assess genetic diversity, differentiation, and population structure, and can also be used to detect signatures of selection and local adaptation. The dataset can be accessed at https://doi.org/10.5281/zenodo.3908963/ (Tóth et al.2020). Associated metadata available at https://metadata-afs.nancy.inra.fr/geonetwork/srv/fre/catalog.search#/metadata/b6fee4fa-01e9-44d0-92f5-ad19379f9693 .

ACS Style

Endre Gy. Tóth; Zoltán A. Köbölkuti; Klára Cseke; József D. Kámpel; Roland Takács; Vladimir T. Tomov; Péter Ábrán; Srdjan Stojnic; Erna Vastag; Milan Mataruga; Vanja Daničić; Egzon Tahirukaj; Petar Zhelev; Sasa Orlovic; Attila Benke; Attila Borovics. A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central-Eastern Europe and Balkan Peninsula. Annals of Forest Science 2021, 78, 1 -13.

AMA Style

Endre Gy. Tóth, Zoltán A. Köbölkuti, Klára Cseke, József D. Kámpel, Roland Takács, Vladimir T. Tomov, Péter Ábrán, Srdjan Stojnic, Erna Vastag, Milan Mataruga, Vanja Daničić, Egzon Tahirukaj, Petar Zhelev, Sasa Orlovic, Attila Benke, Attila Borovics. A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central-Eastern Europe and Balkan Peninsula. Annals of Forest Science. 2021; 78 (2):1-13.

Chicago/Turabian Style

Endre Gy. Tóth; Zoltán A. Köbölkuti; Klára Cseke; József D. Kámpel; Roland Takács; Vladimir T. Tomov; Péter Ábrán; Srdjan Stojnic; Erna Vastag; Milan Mataruga; Vanja Daničić; Egzon Tahirukaj; Petar Zhelev; Sasa Orlovic; Attila Benke; Attila Borovics. 2021. "A genomic dataset of single‐nucleotide polymorphisms generated by ddRAD tag sequencing in Q. petraea (Matt.) Liebl. populations from Central-Eastern Europe and Balkan Peninsula." Annals of Forest Science 78, no. 2: 1-13.

Journal article
Published: 16 April 2021 in Forests
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Ecologically extreme habitats at a species’ distribution edges bear significance for biota under adverse climatic conditions and climate change. Range-edge populations adjust their functional traits to the special local ecological conditions, leading to increased intraspecific variability in their morpho-anatomical structure and, consequently, favor population survival in the absence of competitors. On the basis of wood anatomical traits, such as tracheid lumen area (CA), cell wall thickness (CWTrad), cell diameter-to-radial cell wall thickness ratio (CD/CWT), and the number of tracheids in the radial tracheid files (TNo), we investigated the xylem adjustment of Pinus sylvestris L. populations from six ecologically extreme habitats from the Eastern Carpathians and the Pannonian Basin. Results indicated significant differences among all studied sites in case of all wood anatomical traits as signs of the local adaptation of trees. Peat bog populations adapted their wood anatomical traits to the generally hydric, cool and anaerobic conditions of the peat bogs, exhibiting smaller CA and proportionally thick CWTrad to ensure the hydraulic safety of the stem, whereas, on the lowland site, trees were characterized by a more effective water-conducting system, developing larger CA with relatively thin CWTrad with lower carbon-per-conduit-costs at the expense of higher vulnerability to cavitation. Radial tree ring growth and TNo also differed markedly among sites, following the temperature and groundwater constraints of the habitats. Wood anatomical variability among tree rings and the corresponding short-term climate response of populations differed from the adaptive responses of the trees to the ecological characteristics of the habitat. In addition to the different phylogeographic origin evidenced in former studies, phenotypic differentiation by the habitat type of the studied populations linked to the variance in morpho-anatomical traits have contributed to the survival of the peripheral Scots pine populations at the species’ range margins.

ACS Style

Balázs Palla; Márta Ladányi; Klára Cseke; Krisztina Buczkó; Mária Höhn. Wood Anatomical Traits Reveal Different Structure of Peat Bog and Lowland Populations of Pinus sylvestris L. in the Carpathian Region. Forests 2021, 12, 494 .

AMA Style

Balázs Palla, Márta Ladányi, Klára Cseke, Krisztina Buczkó, Mária Höhn. Wood Anatomical Traits Reveal Different Structure of Peat Bog and Lowland Populations of Pinus sylvestris L. in the Carpathian Region. Forests. 2021; 12 (4):494.

Chicago/Turabian Style

Balázs Palla; Márta Ladányi; Klára Cseke; Krisztina Buczkó; Mária Höhn. 2021. "Wood Anatomical Traits Reveal Different Structure of Peat Bog and Lowland Populations of Pinus sylvestris L. in the Carpathian Region." Forests 12, no. 4: 494.