[
Alonso Segura, J., M., Espiau Ramírez, M. T., Pina Sobrino, A., Rubio-Cabetas, M. J., Fernández i Martí, Á. (2021). Genetic diversity of the Spanish Pear Germplasm Collection assessed by SSRs. Acta Hortic., 1303, 37–44. DOI: 10.17660/ActaHortic.2021.1303.6.10.17660/ActaHortic.2021.1303.6
]Search in Google Scholar
[
Ali, S. H., Othman, H. E., Zibari, P. A., A., Jubrael, J. M. S. (2018). Evaluation of genetic variations and phylogeny of the most popular pear (Pyrus communis L.) cultivars in Duhok city using AFLP markers. Innovaciencia, 6 (1), 1–10. DOI: http://dx.doi.org/10.15649/2346075X.46110.15649/2346075X.461
]Search in Google Scholar
[
Asanidze, Z., Akhalkatsi, M., Henk, A. D., Richards, C. M., Volk, G. M. (2014). Genetic relationships between wild progenitor pear (Pyrus L.) species and local cultivars native to Georgia, South Caucasus. Flora Morphol. Distrib. Funct. Ecol. Plants, 209 (9), 504–512. DOI: http://dx.doi.org/10.1016/j.flora.2014.06.01310.1016/j.flora.2014.06.013
]Search in Google Scholar
[
Baccichet, I., Foria, S., Messina, R., Peccol, E., Losa, A., Fabro, M., Gori, G., Zandigiacomo, P., Cipriani, G., Testolin, R. (2020). Genetic and ploidy diversity of pear (Pyrus spp.) germplasm of Friuli Venezia Giulia, Italy. Genet. Resour. Crop Evol., 67 (1), 83–96. DOI: https://doi.org/10.1007/s10722-019-00856-9.
]Search in Google Scholar
[
Bassil, N., Postman, J., D. (2010). Identification of European and Asian pears using EST-SSRs from Pyrus. Genet. Resour. Crop Evol., 57 (3), 357–370. DOI: https://doi.org/10.1007/s10722-009-9474-7
]Search in Google Scholar
[
Blukmanis, M., Ikase, L., Kaufmane, E., Ruisa, S., Strautiņa, S., Skrīvele, M., Rashal, I. (1997). Pēteris Upītis (1896–1976), horticulturist and breeder. Proc. Latvian Acad. Sci., Sect. B, 51 (1/2), 88–91.
]Search in Google Scholar
[
Brini, W., Mars, M., Hormaza, J. I. (2008). Genetic diversity in local Tunisian pears (Pyrus communis L.) studied with SSR markers. Sci. Horticult., 115 (4), 337–341. DOI: https://doi.org/10.1016/j.scienta.2007.10.012
]Search in Google Scholar
[
Cao, J., Zhou, Z., Tu, J., Cheng, S., Yao, J., Xu, F., Wang, G., Zhang, J., Ye, J., Liao, Y., Zhang, W., Chen, Z. (2019). Genetic diversity and population structure analysis of sand pear (Pyrus pyrifolia) ‘Nakai’ varieties using SSR and AFLP markers. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 47 (3), 970–979. DOI: https://doi.org/10.15835/nbha47311570
]Search in Google Scholar
[
CSB (2021, June) Central Statistical Bureau Republic of Latvia. https://www.csp.gov.lv/en (accessed 17 June 2021).
]Search in Google Scholar
[
Erfani, J., Ebadi, A., Abdollahi, H., Fatahi, R. (2012). Genetic diversity of some pear cultivars and genotypes using simple sequence repeat (SSR) markers. Plant Mol. Biol. Rep., 30 (5), 1065–1072. DOI: http://dx.doi.org/10.1007/s11105-012-0421-y10.1007/s11105-012-0421-y
]Search in Google Scholar
[
Erfani-Moghadam, J., Zarei, A. (2018). Assessment of genetic structure among different pear species (Pyrus spp.) using apple-derived SSR and evidence of duplications in the pear genome. Biotechnol. Biotechnol. Equip., 32 (3), 591–601. DOI: https://doi.org/10.1080/13102818.2018.1447398
]Search in Google Scholar
[
Evanno, G., Regnaut, S., Goudet, J. (2005). Detecting the number of clusters of individuals using the software STRUCTURE: A simulation study. Mol. Ecol., 14 (8), 2611–2620. DOI: https://doi.org/10.1111/j.1365-294X.2005.02553.x15969739
]Search in Google Scholar
[
Falush, D., Stephens, M., Pritchard, J. K. (2003). Inference of population structure using multilocus genotype data: Linked loci and correlated allele frequencies. Genetics, 164 (4), 1567–1587. DOI: https://doi.org/10.1093/genetics/164.4.1567
]Search in Google Scholar
[
FAO (2021, June) FAOSTAT – Food and agriculture data. http://www.fao.org/faostat/ (accessed 17 June 2021).
]Search in Google Scholar
[
Ferradini, N., Lancioni, H., Torricelli, R., Russi, L., Dalla, Ragione, I., Cardinali, I., Marconi, G., Gramaccia, M., Concezzi, L., Achilli, A., Veronesi, F., Albertini, E. (2017). Characterisation and phylogenetic analysis of ancient Italian landraces of pear. Front. Plant Sci., 8, 751. DOI: https://doi.org/10.3389/fpls.2017.00751
]Search in Google Scholar
[
Ferreira dos Santos, A. R., Ramos-Cabrer, A. M., Díaz-Hernández, M. B., Pereira-Lorenzo, S. (2011). Genetic variability and diversification process in local pear cultivars from northwestern Spain using microsatellites. Tree Genetics Genomes, 7 (5), 1041–1056. DOI: https://doi.org/10.1007/s11295-011-0393-3
]Search in Google Scholar
[
Gasi, F., Kurtovic, M., Kalamujic, B., Pojskic, N., Grahic, J., Kaiser, C., Meland, M. (2013). Assessment of European pear (Pyrus communis L.) genetic resources in Bosnia and Herzegovina using microsatellite markers. Sci. Horticult., 157, 74–83. DOI: http://dx.doi.org/10.1016/j.scienta.2013.04.01710.1016/j.scienta.2013.04.017
]Search in Google Scholar
[
Hildebrand, C. E., David, C., Torney, C., Wagner, P. (1994). Informativeness of polymorphic DNA markers. Los Alamos Sci., 20 (20), 100–102.
]Search in Google Scholar
[
Ikase, L. (red.) (2015). Augļkopība [Fruit Growing]. LV Augïkopības institūts. 544 pp. (in Latvian).
]Search in Google Scholar
[
Jakobsson, M., Rosenberg, N. A., (2007). CLUMPP: A cluster matching and permutation program for dealing with label switching and multimodality in analysis of population structure. Bioinformatics, 23 (14), 1801–1806. DOI: https://doi.org/10.1093/bioinformatics/btm233
]Search in Google Scholar
[
Jones, D. A. (1972). Blood samples: Probability of discrimination. J. Forensic Sci. Soc., 12 (2), 355–359. DOI: https://doi.org/10.1016/S0015-7368(72)70695-7
]Search in Google Scholar
[
Kārkliņš, J. (2004). Bumbieru šķirnes [Pear cultivars]. Dobeles Dārzkopības un izmēģinājumu stacija. 298 pp. (in Latvian).
]Search in Google Scholar
[
Khorshidi, S., Davarynejad, G., Samiei, L., Moghaddam, M. (2017). Study of genetic diversity of pear genotypes and cultivars (Pyrus communis L.) using inter-simple sequence repeat markers (ISSR). Erwerbs-Obstbau, 59 (4), 301–308. DOI: 10.1007/s10341-017-0325-y.10.1007/s10341-017-0325-y
]Search in Google Scholar
[
Kloosterman, A. D., Budowle, B., Daselaar, P. (1993). PCR-amplification and detection of the human D1S80 VNTR locus: Amplification conditions, population genetics and application in forensic analysis. Intl. J. Legal Medicine, 105 (5), 257–264.10.1007/BF013703828471543
]Search in Google Scholar
[
Kocsisné, G. M., Bolla, D., Anhalt-Brüderl, U. C. M., Forneck, A., Taller, J., Kocsis, L. (2020). Genetic diversity and similarity of pear (Pyrus communis L.) cultivars in Central Europe revealed by SSR markers. Genet. Res. Crop Evol., 67 (7), 1755–1763. DOI: https://doi.org/10.1007/s10722-020-00937-0
]Search in Google Scholar
[
Liebhard, R., Gianfranceschi, L., Koller, B., Ryder, C. D., Tarchini, R., Van De Weg, E., Gessler, C. (2002). Development and characterisation of 140 new microsatellites in apple (Malus × domestica Borkh.). Mol. Breed., 10 (4), 217–241. DOI: https://doi.org/10.1023/A:1020525906332
]Search in Google Scholar
[
Liu, Q., Song, Y., Liu, L., Zhang, M., Sun, J., Zhang, S., Wu J. (2015). Genetic diversity and population structure of pear (Pyrus spp.) collections revealed by a set of core genome-wide SSR markers. Tree Genetics Genomes, 11 (6), 128.10.1007/s11295-015-0953-z
]Search in Google Scholar
[
Nadeem, M. A., Nawaz, M. A., Shahid, M. Q., Doğan, Y., Comertpay, G., Yildiz, M., Hatipoğlu, R., Ahmad, F., Alsaleh, A., Labhane, N., Özkan, H., Chung, G., Baloch, F.S. (2018). DNA molecular markers in plant breeding: Current status and recent advancements in genomic selection and genome editing. Biotechnol. Biotechnol. Equipment, 32 (2), 261–285. DOI: https://doi.org/10.1080/13102818.2017.1400401
]Search in Google Scholar
[
Nishio, S., Takada, N., Saito, Yamamoto, T., Iketani, H. (2016). Estimation of loss of genetic diversity in modern Japanese cultivars by comparison of diverse genetic resources in Asian pear (Pyrus spp.). BMC Genetics, 17 (1), 81. DOI: https://doi.org/10.1186/s12863-016-0380-7490877827301575
]Search in Google Scholar
[
Ouni, R., Zborowsksa, A., Sehic, J., Choulak, S., Hormaza, Iñaki, J., Garkava-Gustavsson, L., Mars, M. (2020). Genetic diversity and structure of Tunisian local pear germplasm as revealed by SSR markers. Horticult. Plant J., 6 (2), 61–70. DOI: https://doi.org/10.1016/j.hpj.2020.03.003
]Search in Google Scholar
[
Ozturk, I., Ercisli, S., Kalkan, F., Demir, B. (2009). Some chemical and physico-mechanical properties of pear cultivars. Afr. J. Biotechnol., 8 (4), 687–693.
]Search in Google Scholar
[
Peakall, R., Smouse, P. E. GenAlEx (2012). 6.5: Genetic analysis in Excel. Population genetic software for teaching and research — an update. Bioinformatics, 28 (19), 2537–2539. DOI: 10.1093/bioinformatics/bts460.10.1093/bioinformatics/bts460346324522820204
]Search in Google Scholar
[
Pierantoni, L., Cho, K. H., Shin, I. S., Chiodini, R., Tartarini, S., Dondini, L., Kang, S. J., Sansavini, S. (2004). Characterisation and transferability of apple SSRs to two European pear F1 populations. Theor. Appl. Genet., 109 (7), 1519–1524. DOI: https://doi.org/10.1007/s00122-004-1775-915340685
]Search in Google Scholar
[
Pritchard, J. K., Stephens, M., Donnelly P., (2000). Inference of population structure using multilocus genotype data. Genetics, 155 (2), 945–959. DOI: https://doi.org/10.1093/genetics/155.2.945146109610835412
]Search in Google Scholar
[
Queiroz, A., Assunēćo, A., Ramadas, I., Viegas, W., Veloso, M. M. (2015). Molecular characterisation of Portuguese pear landraces (Pyrus communis L.) using SSR markers. Sci. Horticult., 183, 72–76. DOI: http://dx.doi.org/10.1016/j.scienta.2014.11.01610.1016/j.scienta.2014.11.016
]Search in Google Scholar
[
Queiroz, A., Guimarães, J., B., Sánchez, C., Simões, F., de Sousa, R. M., Viegas, W., Veloso, M. M. (2019). Genetic diversity and structure of the Portuguese pear (Pyrus communis L.) germplasm. Sustainability, 11 (19), 5340. DOI: https://doi.org/10.3390/su11195340
]Search in Google Scholar
[
Ramasamy, R. K., Ramasamy, S., Bindroo, B. B. Naik, V. G. (2014). STRUCTURE PLOT: A program for drawing elegant STRUCTURE bar plots in user friendly interface. SpringerPlus, 3 (1), 431. DOI: https://doi.org/10.1186/2193-1801-3-431414107025152854
]Search in Google Scholar
[
Reim, S., Lochschmidt, F., Proft, A., Wolf, H., Wolf, H. (2016). Species delimitation, genetic diversity and structure of the European indigenous wild pear (Pyrus pyraster) in Saxony, Germany. Genet. Resour. Crop Evol., 64 (5), 1075–1085. DOI: https://doi.org/10.1007/s10722-016-0426-8.
]Search in Google Scholar
[
Röder, M. S., Plaschke, J., Konig, S. U., Bonier, A., Sorrells, M. E., Tanksley, S. D., Ganal, M. W. (1995). Abundance, variability and chromosomal location of microsatellites in wheat. Mol. Gen. Genet., 246 (3), 327–333.10.1007/BF002886057854317
]Search in Google Scholar
[
Saba, M. K., Arzani, K., Rasouli, M. (2017). Genetic relationship of Iranian pear genotypes with European and Asian pears as revealed by random amplified polymorphic DNA markers. Int. J. Fruit Sci., 17 (1), 82–92. DOI: 10.1080/15538362.2016.1220343.10.1080/15538362.2016.1220343
]Search in Google Scholar
[
Sau, S., Pastore, C., D’hallewin, G., Dondini, L., Vacchetta, G. (2020). Char-acterisation of microsatellite loci in Sardinian pears (Pyrus communis L. and P. spinosa Forssk.). Sci. Horticult., 270, 109443. DOI: https://doi.org/10.1016/j.scienta.2020.109443
]Search in Google Scholar
[
Sehic, J., Garkava-Gustavsson, L., Fernández-Fernández, F., Nybom, H. (2012). Genetic diversity in a collection of European pear (Pyrus communis) cultivars determined with SSR markers chosen by ECPGR. Sci. Horticult., 145, 39-45. DOI: http://dx.doi.org/10.1016/j.scienta.2012.07.02310.1016/j.scienta.2012.07.023
]Search in Google Scholar
[
Silva, G. J., Souza, T. M., Barbieri, R. L., de Oliveira, A. C. (2014). Origin, domestication, and dispersing of pear (Pyrus spp.). Adv. Agricult., 2014,ID 541097. DOI: https://doi.org/10.1155/2014/541097
]Search in Google Scholar
[
Taheri, S., Lee Abdullah, T., Yusop, M. R., Hanafi, M. M., Sahebi, M., Azizi, P., Shamshiri, R. R. (2018). Mining and development of novel SSR markers using next generation sequencing (NGS) data in plants. Molecules, 23 (2), 399. DOI: https://doi.org/10.3390/molecules23020399601756929438290
]Search in Google Scholar
[
Urbanovich, O. Yu., Kazlouvskaya, Z. A., Yakimovich, O. A., Kartel, N. A. (2011). Polymorphism of SSR alleles in pear cultivars grown in Belarus. Russ. J. Gen., 47 (3), 305–313. DOI: https://doi.org/10.1134/S1022795411030173
]Search in Google Scholar
[
Urrestarazu, J., Royo, J. B., Santesteban, L. G., Miranda, C. (2015). Evaluating the influence of the microsatellite marker set on the genetic structure inferred in Pyrus communis L. PLoS ONE, 10 (9), e0138417. DOI: https://doi.org/10.1371/journal.pone.0138417457508226382618
]Search in Google Scholar
[
Weir, B. S. (1990). Genetic Data Analysis: Methods for Discrete Population Genetic Data. Sinauer Associates Inc. Publishers, Sunderland, MA, USA. 377 pp.
]Search in Google Scholar
[
Wolko, Ł., Bocianowski, J., Antkowiak, W., Słomski, R. (2015). Genetic diversity and population structure of wild pear (Pyrus pyraster (L.) Burgsd.) in Poland. Open Life Sci., 10 (1), 19–29. DOI: https://doi.org/10.1515/biol-2015-0003
]Search in Google Scholar
[
Zarei, A., Erfani-Moghadam, J., Jalilian, H. (2019). Assessment of variability within and among four Pyrus species using multivariate analysis. Flora, 250, 27–36. DOI: https://doi.org/10.1016/j.flora.2018.11.016
]Search in Google Scholar
[
Zeljković, M. K., Bosančić, B., Ðurić, G., Flachowsky, H., Garkava-Gustavsson, L. (2021). Genetic diversity of pear germplasm in Bosnia and Herzegovina, as revealed by SSR markers. Zemdirbyste-Agriculture, 108 (1), 71–78. DOI: 10.13080/z-a.2021.108.010.10.13080/z-a.2021.108.010
]Search in Google Scholar