Büyükkartal, H.N. 2003. In vitro pollen germination and pollen tube characteristics in tetraploid red clover (Trifolium
pratense L.) Turk J. Bot. 27: 57-61.
Büyükkartal, H.N, Çölgeçen, H. 2007. The reasons of sterility during polen grain formation in tetraploid Trifolium
pratense, International Journal of Agriculture and Biology. 3(2): 188-195.
Chehregani, A. Mohsenzadeh, F. Tanaomi, N. 2011. Comparative study of gametophyte development in the some
species of the genus Onobrychis: Systematic significance of gametophyte futures. Biologia 66/2: 229-237, Section
Botany.
Chudíková, R. Ďurišová, L. Baranec, T. Ikrényi, I. 2011. Cytological and histological studies on male and female
gametophyte of endangered species Amygdalus nana in Slovakia. Biologia 66/5: 783-789, Section Botany.
Çeter, T. Ekici, M. Pınar, NM. Özbek, F. 2013. Pollen morphology of Astragalus L. section Hololeuce Bunge
(Fabaceae) in Turkey. Acta Botanica Gallica 160(1): 43-52.
Hatice Nurhan BÜYÜKKARTAL et al., Ultrastructure of mature pollen graıns ın dıploıd and the natural tetraploıd Trıfolıum pratense
Biological Diversity and Conservation – 6 / 2 (2013) 187
Elçi, Ş. 1982. The utilization of genetic resource in fodder crop breeding, Eucarpia Fodder Crop Section 13-16
September, Aberystwyth UK.
El-Ghazaly, G. Huysmans, S. Smets, E.F. 2001. polen development of Rondeletıa odorata (Rubiaceae). Amer. J. Bot.
88(1): 14-30.
Ekici, N. Dane, F. 2012. Some histochemical features of anther wall of Leucojum aestivum (Amaryllidaceae) during
pollen development. Biologia 67/5: 857-866, Section Botany.
Güneş, F. and Çırpıcı, A. 2010. Pollen morphology of the genus Lathyrus (Fabaceae) section Cicercula in Thrace
(European Turkey). Acta Bot. Croat. 69 (1), 83–92
Hargrove, L. Simpson, M.G. 2003.Ultrastructure of heterocolpate pollen in Cryptantha (Boragınaceae). Int. J. Plant
Sci. 164(1):137–151.
Kahraman, A. Çildir, H. Doğan, M. Güneş, F. Celep, F. 2012. Pollen morphology of the genus Lathyrus L. (Fabaceae)
with emphasis on its systematic İmplications Australian Journal of Crop Science. 6(3):559-566.
Luft, J.H. 1961. Improvements in epoxy resin embedding methods. J Biophys. Biochem. Cytol. 9: 409.
Mccormick, S. 1993. Male Gametophyte Development. The Plant Cell. 5: 1265-1275.
Mursalimov, S. Deineko, E. 2012. An ultrastructural study of microsporogenesis in tobacco line SR1. Biologia 67/2:
369-376, Section Cellular and Molecular Biology.
Pinar, N.M, Büyükkartal, H.N. Çölgeçen, H. 2001. Polen seed morphology of diploids and natural tetraploid of
Trifolium pratense L. (Leguminosae). Acta Biologica Cracoviensia Series Botanica. 43: 27-32.
Polowick, P.L. Sawhney, V.K. 1993a. An ultrastructural study of polen development in tomato (Lycopersicum
esculentum). I. Tetrad to early binucleate microscope stage, Can. J. Bot. 71: 1039-1047.
Polowick, P.L. Sawhney, V.K. 1993b. An ultrastructural study of polen development in tomato (Lycopersicum
esculentum). II. Polen maturation. Can. J. Bot. 71: 1048-1055.
Rosenfeldt S, Galati B.G 2005. Ubish bodies and polen ontogeny in Oxalis articulata Savigny. Bıocell. 29(3): 271-278.
Taylor, N. L. Smith, R.R. 1979. Red clover breeding and genetics, Adv. Agr. 31: 125-154.
Teıxeıra, S.P. Fornı-Martins, E.R. Ranga, N.T. 2002. Development and cytology of polen in Dahlstedtia malve
(Leguminosae: Papilionoideae). Bot. Jour. Linn. Soc. 138: 461-471.
Sato, J.E. 1967. A modified method for bad staining of thin sections, Journal of Electron Microscopy, 16: 133.
Stempak, J.G. Ward, R.T. 1964. An improved staining method for electron Microscopy, J. Cell Biol. 22: 697.
Unal, M. 2006. Bitki, Angiosperm Embriyolojisi, Nobel Yayın Dağıtım, Ankara, 270p.
Van Went, J.L. 1981. Some cytological and ultrastructural aspects of male sterility in Impatiens, Acta Soc. Bot. Pol. 50:
249-252.
Vardar, F. Ünal, M. 2011. Cytochemical and ultrastructural observations of anthers and polen grains in Lathyrus
undulatus Boiss. Acta Bot. Croat. 70: 53-64.
Vinckkier, S. Smets, E.F. 2005. A histological study of microsporogenesis in Torenna gracilipes (Rubiaceae) Grana
44: 30-44.
Yamamoto, Y. Nishimura, M.I. Noguchi, T. 2003. Behavior of vacuoles during microspore and polen development in
Arabidopsis thaliana, Plant Cell Physiol. 44(11): 1192-1201.
Yılmaz, G. Aksoy, Ö. Dane, F. 2013. Calcium oxalate crystals in generative organs of Astragalus hamosus and
Astragalus glycyphyllos Biological Diversity and Conservation 6(1) :8-12.
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