1. Albouy, J., Krczal, G., Lajoux, C. (1992). Influence of Pelargonium flower break virus (PFBV) and nepoviruses on Pelargonium production. In: VIII International Symposium on Virus Diseases of Ornamental Plants. Czech Republic, Prague, 55-62. [DOI:10.17660/ActaHortic.1994.377.4]

2. Alonso, M. Borja, M. (2005). High incidence of Pelargonium line pattern virus infecting asymptomatic Pelargonium spp. in Spain. European Journal of Plant Pathology, 112(2), 95-100. [DOI:10.1007/s10658-005-0803-1]

3. Bouwen, I., Maat, D.Z. (1992). Pelargonium flower-break and Pelargonium line pattern viruses in the Netherlands; purification, antiserum preparation, serological identification, and detection in pelargonium by ELISA. Netherlands Journal of Plant Pathology, 98(2), 141-156. [DOI:10.1007/BF01996326]

4. Dorion, N., Jouira, H.B., Gallard, A., Hassanein, A., Nassour, M., Grapin, A. (2010). Methods for In vitro Propagation of Pelargonium x hortorum and Others: From Meristems to Protoplasts. In: Jain, S. M., Ochatt, S. (Eds.), Protocols For In Vitro Propagation of Ornamental Plants, Humana Press, pp. 197-211. [DOI:10.1007/978-1-60327-114-1_19]

5. Franck, A., Loebenstein, G. (1992). Virus and virus-like diseases of pelargonium in Israel. In: VIII International Symposium on Virus Diseases of Ornamental Plants, Czech Republic, Prague, 31-40. [DOI:10.17660/ActaHortic.1994.377.2]

6. Khandan-Mirkohi, A., Kazemi, F., Babalar, M. Naderi, R. (2014). Effect of different levels of nitrogen in nutrient solution on the qualitative and quantitative traits of geranium (Pelargonium hortorum cv. Bulles eye). Journal of Crop Improvement, 16(1), 157-168 (In Persian).

7. Kumar, S., Stecher, G., Li, M., Knyaz, C., Tamura, K. (2018). MEGA X: molecular evolutionary genetics analysis across computing platforms. Molecular Biology and Evolution, 35(6), 1547. [DOI:10.1093/molbev/msy096]

8. Kusiak, C., Deogratias, J., Moreau, J. (1995). Transmission of pelargonium flower break virus (PFBV) in irrigation systems and by thrips. Plant Disease, 79(2), 163-166. [DOI:10.1094/PD-79-0163]

9. Masoomi-Aladizgeh, F., Jabbari, L., Khayam Nekouei, R., Aalami, A. (2016). A simple and rapid system for DNA and RNA isolation from diverse plants using handmade kit. Protocol Exchange, doi:10.1038/protex.2016.015 [DOI:10.1038/protex.2016.015]

10. Morozov, S.Y., Ryabov, E.V., Leiser, R.M., Zavriev, S.K. (1995). Use of highly conserved motifs in plant virus RNA polymerases as the tags for specific detection of carmovirus-related RNA-dependent RNA polymerase genes. Virology, 207(1), 312-315. [DOI:10.1006/viro.1995.1084]

11. Rasoulpour, R., Izadpanah, K. (2011). Isolation and partial characterization of Pelargonium leaf curl virus, Moroccan pepper virus and Eggplant mottled crinkle virus from plant and soil in Iran. Journal of Phytopathology, 159, 802-804. [DOI:10.1111/j.1439-0434.2011.01841.x]

12. Rasoulpour, R., Izadpanah, K. (2008). First report of Eggplant mottled crinkle virus in geranium in Iran. Plant Pathology, 57(2), 397. [DOI:10.1111/j.1365-3059.2007.01643.x]

13. Rico, P., Hernández, C. (2004). Complete nucleotide sequence and genome organization of Pelargonium flower break virus. Archives of Virology, 149(3), 641-651. [DOI:10.1007/s00705-003-0231-5]

14. Rico, P., Ivars, P., Elena, S.F., Hernández, C. (2006). Insights into the selective pressures restricting Pelargonium flower break virus genome variability: evidence for host adaptation. Journal of Virology, 80(16), 8124-8132. [DOI:10.1128/JVI.00603-06]

15. Rosa, C., Moorman, G.W. (2018). Diseases of Geranium. In: McGovern, R.J., & Elmer, W.H. (Eds.). Handbook of Florists' Crops Diseases. Springer, pp 941-974. [DOI:10.1007/978-3-319-39670-5_34]

16. Saidi, A., Safaeizadeh, M. (2011). First report of Cucumber mosaic virus infecting geraniums (Pelargonium spp.) in Iran. Asian Journal of Plant Pathology, 5, 163-165. [DOI:10.3923/ajppaj.2011.163.165]

17. Scheets, K., Jordan, R., White, K.A., Hernández, C. (2015). Pelarspovirus, a proposed new genus in the family Tombusviridae. Archives of Virology, 160, 2385-2393. [DOI:10.1007/s00705-015-2500-5]

18. Stone, B.O.M., Hollings, M. (1973). Some properties of pelargonium flower break virus. Annals of Applied Biology, 75(1), 15-23. [DOI:10.1111/j.1744-7348.1973.tb01332.x]

19. Wei, M.S., Li, G.F., Ma, J., Kong, J. (2015). First report of Pelargonium flower break virus infecting Pelargonium plants in China. Plant Disease, 99(5), 735. [DOI:10.1094/PDIS-11-14-1128-PDN]

20. Albouy, J., Krczal, G., Lajoux, C. (1992). Influence of Pelargonium flower break virus (PFBV) and nepoviruses on Pelargonium production. In: VIII International Symposium on Virus Diseases of Ornamental Plants. Czech Republic, Prague, 55-62. [DOI:10.17660/ActaHortic.1994.377.4]

21. Alonso, M. Borja, M.(2005). High incidence of Pelargonium line pattern virus infecting asymptomatic Pelargonium spp. in Spain. European Journal of Plant Pathology, 112 (2), 95-100. [DOI:10.1007/s10658-005-0803-1]

22. Bouwen, I., Maat, D. Z. (1992). Pelargonium flower-break and Pelargonium line pattern viruses in the Netherlands; purification, antiserum preparation, serological identification, and detection in pelargonium by ELISA. Netherlands Journal of Plant Pathology, 98(2), 141-156. [DOI:10.1007/BF01996326]

23. Dorion, N., Jouira, H. B., Gallard, A., Hassanein, A., Nassour, M., Grapin, A.( 2010). Methods for In vitro propagation of Pelargonium x hortorum and others: From Meristems to Protoplasts. In: Jain, S. M., Ochatt, S. (Eds.) Protocols For in vitro Propagation of Ornamental Plants, Humana Press, pp. 197-211. [DOI:10.1007/978-1-60327-114-1_19]

24. Franck, A., Loebenstein, G. (1992). Virus and virus-like diseases of pelargonium in Israel. In: VIII International Symposium on Virus Diseases of Ornamental Plants, Czech Republic, Prague, 31-40. [DOI:10.17660/ActaHortic.1994.377.2]

25. Khandan-Mirkohi, A., Kazemi, F., Babalar, M. Naderi, R. (2014). Effect of different levels of nitrogen in nutrient solution on the qualitative and quantitative traits of geranium (Pelargonium hortorum cv. Bulles eye).Journal of Crop Improvement, 16 (1), 157-168 (In Persian).

26. Kumar, S., Stecher, G., Li, M., Knyaz, C., Tamura, K. (2018). MEGA X: molecular evolutionary genetics analysis across computing platforms. Molecular biology and evolution, 35(6), 1547. [DOI:10.1093/molbev/msy096]

27. Kusiak, C., Deogratias, J., Moreau, J. (1995). Transmission of pelargonium flower break virus (PFBV) in irrigation systems and by thrips. Plant Disease, 79(2), 163-166. [DOI:10.1094/PD-79-0163]

28. Masoomi-Aladizgeh, F., Jabbari, L., Khayam Nekouei, R., Aalami, A. (2016). A Simple and Rapid System for DNA and RNA Isolation from Diverse Plants Using Handmade Kit. Protocol exchange, doi:10.1038/protex.2016.015 [DOI:10.1038/protex.2016.015]

29. Morozov, S. Y., Ryabov, E. V., Leiser, R. M., Zavriev, S. K. (1995). Use of highly conserved motifs in plant virus RNA polymerases as the tags for specific detection of carmovirus-related RNA-dependent RNA polymerase genes. Virology, 207(1), 312-315. [DOI:10.1006/viro.1995.1084]

30. Rasoulpour, R., Izadpanah, K. (2011). Isolation and partial characterization of Pelargonium leaf curl virus, Moroccan pepper virus and Eggplant mottled crinkle virus from plant and soil in Iran. Journal of Phytopathology, 159, 802-804. [DOI:10.1111/j.1439-0434.2011.01841.x]

31. Rasoulpour, R., Izadpanah, K. (2008). First report of Eggplant mottled crinkle virus in geranium in Iran. Plant Pathology, 57 (2), 397. [DOI:10.1111/j.1365-3059.2007.01643.x]

32. Rico,P., Hernández, C. (2004). Complete nucleotide sequence and genome organization of Pelargonium flower break virus. Archive of virology, 149(3), 641-651. [DOI:10.1007/s00705-003-0231-5]

33. Rico, P., Ivars, P., Elena, S. F., Hernández, C. (2006). Insights into the selective pressures restricting Pelargonium flower break virus genome variability: evidence for host adaptation. Journal of Virology, 80(16), 8124-8132. [DOI:10.1128/JVI.00603-06]

34. Rosa, C. Moorman, G.W. (2018). Diseases of Geranium. In: McGovern, R. J., & Elmer, W. H. (Eds.). Handbook of Florists' Crops Diseases. Springer, pp 941-974. [DOI:10.1007/978-3-319-39670-5_34]

35. Saidi, A., Safaeizadeh, M. (2011). First report of Cucumber mosaic virus infecting geraniums (Pelargonium spp.) in Iran. Asian Journal of Plant Pathology, 5, 163-165. [DOI:10.3923/ajppaj.2011.163.165]

36. Scheets, K., Jordan, R., White, K. A., Hernández, C. (2015). Pelarspovirus, a proposed new genus in the family Tombusviridae. Archives of virology, 160, 2385-2393. [DOI:10.1007/s00705-015-2500-5]

37. Stone, B. O. M., Hollings, M. (1973). Some properties of pelargonium flower break virus. Annals of Applied Biology, 75(1), 15-23. [DOI:10.1111/j.1744-7348.1973.tb01332.x]

38. Wei, M. S., Li, G. F., Ma, J., Kong, J. (2015). First report of Pelargonium flower break virus infecting Pelargonium plants in China. Plant Disease, 99(5), 735. [DOI:10.1094/PDIS-11-14-1128-PDN]