1. Abdul-Baki, A.A., and Anderson, J.D. 1973. Vigor determination in soybean by multiple criteria. Crop Sci. 13: 630-633.
2. Anonymous. 2014. Long term Golestan province weather almanac. Golestan province meteorology office scientific gazette.
3. Bagnara, 1996. Effects of environment on flowering and seed development. In: Seed science and technology. pp: 69-79, By: Van Gastel, A.J.C., Pagnotta, D.M., and Porceddu, E., Icarda, Aleppo, Syria.
4. Baker, R.V. and Griffin, Jr., A.C. 1984. Ginning, In: Cotton. pp: 397-437, By: Kohl, R.J. and Lewis, C.F. No. 24, American Society of Agronomy, Inc., Crop Science Society of America, Inc., Soil Science Society of America Inc., Publishers, Madison, Wisconsin, USA.
5. Bardow, J.M., and Bauer, P.J. 2010. Germination and seedling development. pp: 48-56, In: McD. Stewart, J., Oosterhuis, D., Heitholt, J.J. and Mauney, J. (Editors), Physiology of cotton Springer Dordrecht Heidelberg London, New York.
6. Bardow, J.M., and Davidonis, G.H. 2010. Effects of environment on fiber quality. In: Physiology of cotton, pp: 229-245, By: Mc D. Stewart, J., Oosterhuis, D., Heitholt, J.J. and Mauney, J. (Editors). Springer Dordrecht Heidelberg London, New York.
7. Barradas, G. and López-Bellido, R.J. 2007. Seed weight, seed vigor index and field emergence in six upland cotton cultivars. J. Food Agric. Environ. 5:116-121.
8. Basra, S.M.A., Ashraf, M., Iqbal, N., Khaliq, A. and Ahmad, R. 2004. Physiological and biochemical aspects of pre-sowing heat stress on cottonseed. Seed Sci. Technol. 32: 765-774.
9. Bird, L.S., and Reys, A.A. 1967. Effects of cottonseed quality on seed and seedling characteristics. pp: 199-206, In: Brown, J.M. (ed.), Proc. Beltwide Cotton Prod. Res. Conf., Dallas, TX. 10-11 Jan. National Cotton Council, Memphis, TN.
10. Burke, J.J., and O'Mahony, P.J. 2001. Protective role in acquired thermotolerance of developmentally regulated heat shock proteins in cotton seed. The J. Cotton Sci. 5: 174-183.
11. Buxton, D.R., Patterson, L.L. and Taylor, B.B. 1978. Cottonseed vigor related to harvest and ginning date. Agron. J. 70(4): 539-542.
12. Cherry, J.P., and Leffler, H.R. 1984. Seed, In: Cotton, pp: 512-570, By: Kohl, R.J. and Lewis, C.F. No. 24, American Society of Agronomy, Inc., Crop Science Society of America, Inc., Soil Science Society of America Inc., Publishers, Madison, Wisconsin, USA.
13. Colwick, R.F., Garner, T.H., Christenbury, G.D., Welch, G.B., Clark, R.L., Delouche, J.C., Baskin, C.C., Sorenson, J.W., Wilkes, L.H., Person, N.K. and Schroder, H.W. 1972. Factors affecting cottonseed damage in harvesting and handling USDA- ARS Product Research Report 135.
14. Colwick, R.F., Lalor, W.F., and Wilkes, L.H. 1984. Harvesting, In: Cotton, pp: 368-396, By: Kohl, R.J., and Lewis, C.F. No. 24, American Society of Agronomy, Inc., Crop Science Society of America, Inc., Soil Science Society of America Inc., Publishers, Madison, Wisconsin, USA.
15. Delouch, J.C. 1986. Harvest and post-harvest factors affecting the quality of cotton planting seed and seed quality evaluation. In: Cotton Physiology. pp: 483-518, Mauney, J.R. and McD. Stewart, J. (eds), The cotton foundation, Memphis, TN, USA.
16. Dornbos, D.L., Jr. 2002. Production environment and seed quality. In: Seed quality, basic mechanisms and agricultural implications. By: Basra, A.S.(Ed.), pp:119-152. Food Products Press.
17. Edmisten, K. 2013. Cotton seed quality and planting decision. Technical Report. p. 206. North Carolina State University, U.S.A.
18. Ellis, R.H., and Roberts, E.H. 1981. The quantification of ageing and survival in orthodox seeds. Seed Sci. Technol. 9: 377-409.
19. Furbeck, S.M., Bourland, F.M. and Watson, C.E. 1993. Inheritance of resistance to seed deterioration in cotton. Euphytica, 69: 203-209.
20. Gooding, M.J., Murdoch, A.J., and Elis, R.H. 2000. The value of seeds. In: Seed technology and biological basis, By: Black, M. and Bewely, J.D.(Eds.), pp: 3-41. CRC Press.
21. Gregg B., and Billups, G.L. 2009. Seed conditioning (Vol.1, Management). CRC Press Taylor & Francis Group.
22. Gregg, B.R., and Billups, G.L. 2010a. Cottonseed delinting, In: Seed conditioning, Vol. 2, Technology, Part A, Advanced-level information for managers, technical specialists and professionals, pp: 292-320. CRC Press Taylor & Francis Group.
23. Gregg, B.R., and Billups, G.L. 2010b. Seed conditioning (Vol. 3, Crop seed onditioning a compendium of information on physical properties and conditioning requirements of some seed kinds). CRC Press Taylor & Francis Group.
24. Gregory, S.R., Hernandez, E., and Savoy, B.R. 1999. Cottonsed processing, pp: 793-823, in: Cotton, origin, technology and production, by: Wayne Smith, C. and Cothran, J.T. (eds.), John Wiley and Sons, Inc.
25. Halloin, J.M. 1975. Solute loss from deteriorated cottonseed: relationship between deterioration, seed moisture and solute loss. Crop Sci. 15: 11-15.
26. Halloin, J.M. 1986. Withering: changes in planting seed quality between ripening and harvest, pp: 475-481, In: Cotton physiology, By: Mauney, J.R., Stewart, J.McD., Brown, J.M. (eds.), The Cotton Foundation, Pub. USA.
27. Hamidi, A. 2013. Study on effect of quality related parameters in planting cottonseed delinting processes of Sahel cultivar at Golestan province. Research Final Report, Pub. No. 4311, Ministry of Jihadie-Agriculture Agricultural Research Education and Extensions Organization (AREEO), Seed and Plant
Certification and Registration Institute (SPCRI), (In Persian).
28. Hamidi, A., Arefi-Naderi, A., Forghani, S.H., Vafaei-Tabar, M., Arabsalmani, M., and Hakimi, M. 2012. Cotton seed production and technology. Ministry of Jihadie-Agriculture Agricultural Research Education and Extensions Organization (AREEO), Seed and Plant Certification and Registration Institute
(SPCRI), (In Persian).
29. Hampton, J.G., and TeKrony, D.M. 1995. Handbook of vigour test methods (3rd Ed.). International Seed Testing Association (ISTA). Zurich, Swirztland.
30. Hepburn, H.A., Powell, A.A., and Matthews, S. 1984. Problems associated with the routine application of electrical conductivity measurements of individual seeds in the germination testing of pea and soybean. Seed Sci. Technol. 12: 403-413.
31. Hibbard, R.P., and Miller, E.V. 1928. Biochemical studies on seed viability. I. Measurements of conductance and reduction. Plant Physiol. 3: 335-352.
32. Hopper, N.W., and McDaniel, R.G. 1999. The cotton seed. In: cotton, orgin, history, technology and production, pp: 289-317, Wayne Smith, C., and Cothren, J.T. (eds.), John Wiley and Sons, lnc.
33. Hughs, S.E., Simpson, C.L., Perkins, H.H., and Grag, C.K.Jr. 1994. Cotton
processing and utilization. In: Encyclopedia of agricultural science, Vol. 1, AD, pp: 495-524, By: Arntzen, C.J. and Ritter, E.M. (eds.) Academic Press.
34. ISTA. 2013. Hand book for seedling evaluation (3rd Ed.). International Seed Testing Association, Zurich, Switzerland.
35. ISTA. 2015. International rules for seed testing. International seed testing association, Zurich, Switzerland.
36. Khadi, B.M., Santhy, V., and Yadav, M.S. 2010. Cotton: an introduction, In: Cotton, biotechnological advances, By: Brawale Zehr, U. (Ed.), pp: 1-14. Springer.
37. Khah, E.M., and Passam, H.C. 1994. Sensitivity of seed of cotton cv Zeta-2 to damage during acid-delinting. Plant Var. Seeds. 7: 51-57.
38. Kreig, D.R., and Carroll, J.D. 1978. Cotton seedling metabolism as influenced by germination temperature, cultivar and seed physical properties. Agron. J. 70: 21-25.
39. Leffler, H.R. 1986. Developmental aspects of planting seed quality, In: Cotton physiology, pp: 465-474, By: Mauney, J.R., Stewart, J.McD., Brown, J.M. (eds.), The cotton foundation, Pub. USA.
40. Matthews, S., and Bradnock, W.T. 1968. Relationship between seed exudation and field emergence in peas and French beans. Hort. Res. 8: 89-93.
41. May, O.L., and Lega, K.E. 1999. Development of world cotton industry. In: Cotton, origin, technology and production, pp: 65-98, By: Wayne Smith, C., and Cothran, J.T. (eds.), John Wiley and Sons, Inc.
42. Mayfield, W.D., Anthony, W.S., Hughs, S.E., and Lalor, W.F. 1999. Ginning, In: Cotton, origin, technology and production, pp: 683-708, By: Wayne Smith, C. and Cothran, J.T. (eds.), John Wiley and Sons, Inc.
43. McDonald, M.B., and Copeland, L. 1997. Seed production, principles and practices. Chapman and Hall, U.S.A.
44. Murugesan, P., and Vanangmudi, K. 2003. Upgrading marginal seed lots of cotton cultivars by specific gravity separation. Madras Agric. J. 90(1-3): 91-96.
45. Pettigrew, W.T., and Meredith, W.R. 2009. Seed quality and planting date effects on cotton lint yield, yield components, and fiber quality. The J. Cotton Sci. 13: 37-47.
46. Presley, J.T. 1958. Relation of protoplast permeability to cotton seed viability and predisoption to seedling disease. Plant Dis. Rep. 42: 852.
47. Scott, S.J., Jones, R.A., and Williams, W.A. 1984. Review of data analysis methods for seed germination. Crop Sci. 24:1192-1199.
48. Steere, W.C, Levengood, W.C., and Bondie, J.M. 1981. An electronic analyzer for evaluating seed germination and vigour. Seed Sci. Technol. 9: 567-576.
49. Steiner, J.J. 1990. Seedling rate of development index: indicator of vigor and seedling growth response. Crop Sci. 30: 1264-1271.
50. Styles, B. 2003. Effects of seed processing methods on germination and early seedling development of cotton. Emergent Genetics Inc.
51. Van Gastel, A.J.C., Pagnotta, D.M., and Porceddu, E. 1996. Seed science and technology, ICARDA, ALEPPO, SYRIA.
52. Watson, H., and Helmer, J.D. 1964. Cottonseed quality as affected by ginning process-a progress report. USDA, ARS 42-107 Dec. 1964.