[Anouar F., Mannino M.R., Casal M.L., Fougereux J.A., Demilly D., 2001. Carrot seeds grading using a vision system. Seed Sci. Technol. 29(1): 215-225.]Search in Google Scholar
[Battle J.P., Whittington W.J., 1969. The influence of genetic and environmental factors on the germination of sugar beet seed. J. Agric. Sci. 73: 329-335.10.1017/S0021859600019948]Search in Google Scholar
[Copeland L., Mc Donald M.B., 2001. Longevity and deterioration. In: Principles of seed science and technology. L. Copeland (ed.). Chapman & Hall Ltd., London: 181-220.10.1007/978-1-4615-1783-2_8]Search in Google Scholar
[Corbineau F., Picard M.A., Bonnet A., Come D., 1995. Effects of production factors on germination responses of carrot seeds to temperature and oxygen. Seed Sci. Res. 3: 129-135.10.1017/S0960258500002749]Search in Google Scholar
[Delouche J.C., Baskin C.C., 1973. Accelerated aging techniques for predicting the relative storability of seed lots. Seed Sci. Technol. 1: 427-452.]Search in Google Scholar
[Elballa M.M.A., Cantliffe D.J., 1997. Modification of seedstalk development and its effects on seed yield and seed quality in carrot (Daucus carota L.). J. Veg. Crop Prod. 2: 29-41.10.1300/J068v03n02_05]Search in Google Scholar
[Elliott B., 2001. Effect of seed quality on the performance of Argentine varieties in the 2001 regional test. Scientific Report of Part 4 of CARP Project # 2003-02-01-19 of Saskatoon Research Centre, Agriculture and Agri-Food, Canada.]Search in Google Scholar
[Fowel J., Cohen L., 1992. Practicle statistics for field biology. John Wiley & Sons, New York, 223.]Search in Google Scholar
[Georgiev N.G., Kovachev N.G., Tconeva P.N., Gemishev C.M., Andreev G.K., Ivanova J.A., 1980. The guidance for practical work of plant physiology. Nauka i Izkustvo, Sofia, Bulgaria: 235.]Search in Google Scholar
[Gray D., 1979. The germination response to temperature of carrot seeds from different umbels and time of harvest of the seed crop. Seed Sci. Technol. 7: 169-178.]Search in Google Scholar
[ISTA, 2003. International Rules for Seed Testing. International Seed Testing Association. Bassersdorf, Switzerland.]Search in Google Scholar
[Matthews S., Khajeh-Hosseini M., 2006. Mean germination time as an indicator of emergence performance in soil of seed lots of maize (Zea mays). Seed Sci. Technol. 34: 339-347.10.15258/sst.2006.34.2.09]Search in Google Scholar
[Muhammad A., Anjum M.A., 2001. Effect of root size, plant spacing and umbel order on the quality of Asiatic carrot (Daucus carota L.). Indian J. Agric. Biology 3: 239-242.]Search in Google Scholar
[Muniz M.F.B., 1999. Carrot seeds quality produced from primary and secondary umbels from Rio Grande do Sul State. Revista Brasiliera de Sementes, 21: 255-259.10.17801/0101-3122/rbs.v21n2p255-259]Search in Google Scholar
[Panayotov N., 2005. Technological management and factors influencing seed quality of vegetable crops. In: Vegetables: Growing Environment and Mineral Nutrition. D. Ramdane (ed.). WFL Publisher, Helsinki, Finland: 138-165.]Search in Google Scholar
[Panayotov N., Stoeva N., 2009. Influence of the maturity on the sowing quality and vigour of the carrot seeds. Scientific Work of the Agricultural University, Plovdiv, LXV: 93-98.]Search in Google Scholar
[Pereira R.S., Nascimento W.M., Vieira J.V., 2008. Carrot seed germination and vigor in response to temperature and umbel orders. Sci. Agric. 65: 145-150.10.1590/S0103-90162008000200006]Search in Google Scholar
[Satyaveer S., Nehra B.K., Malik Y.S., Singh S., 1994. Carrot seed yield and quality as influenced by different order umbels under varying nitrogen, plant density and geometry. Crop Res. Hisar 3: 543-548.]Search in Google Scholar
[Shantha N., Pandita V.K., Sharma D., Nagarajan S., 1999. Effect of sowing time and umbel order on emergence characteristics of Asiatic carrot Daucus carota L. Seed Res. 2: 125-130.]Search in Google Scholar
[Schmidt L., 2000. Guide to Handling of Tropical and Subtropical Forest Seed. Danida Forest Seed Centre, Denmark: 178.]Search in Google Scholar
[Stambolova M., Chopa neva T., Argirova T., 1978. The guidance for practical work by biochemistry. Zemizdat, Sofia, Bulgaria: 213.]Search in Google Scholar
[Strona I.G., 1966. Obshtee semenovedenie polevnih kultur. Kolos, Moskow: 235.]Search in Google Scholar
[Szafiriowska A.I., 1994. The correlation between mother plant architecture, seed quality and field emergence of carrot. Acta Hort. 354: 93-97. 10.17660/ActaHortic.1994.354.10]Search in Google Scholar