Abdul-baki, A.A., and J.D., Anderson. 1973. Vigor determination in soybean seed by multiplication. Crop
Sci., 3: 630-633.
Caddic, L.R., and H.P., Linder. 2002. Evolutionary strategies for reproduction and dispersal in African
Restionaceae. Aus. J. Bot., 50: 339-335.
Ellis, R.A., and E.H., Roberts. 1981. The quantification of ageing and survival in orthodox seeds. Seed Sci.
Technol., 9: 373-409.
Eriksson, O., 1999. Seed size variation and its effect on germination and seedling performance in the clonal
herb Convallaria maialis. Acta Oecol., 20: 61-66
George, L.O. and F.A., Bazzaz, 1999. The fern understory as an ecological filter: Emergence and
establishment of canopy tree seedling. Ecology, 80: 833-845.
Hampton, J.G., 1981. The extent and significant of seed size variation in New Zealand wheats. N. Z. J. Exp.
Agric. 9: 179-183.
Harper, J.L. 1997. The Population Biology of Plants, Academic press, London.
Hoseinpoor, T., A., Siadat, R., Mamaghani, and R., Rafiei. 2003. Study of some morphological and
physiological characteristics affecting grain yield and yield components in bread wheat genotypes under
reduced irrigation. Iranian Crop Sci., 5: 23- 36
Kulakanavar, R.M., S.D., Shashidhara and G.N., Kulkanrni. 1989. Effect of grading on quality of wheat
seeds. Seed Res. 182-185
Lafond, G.P., R.G., and Baker 1986. Effects of temperature moisture stress, and seed size on germination
of nine spring wheats. Crop Sci. 26:563-567.
Leishman, M.R., I.J., Wright, A.T., Moles and M., Westoby. 2000. The evolutionary ecology of seed
size. In: Seeds-The Ecology of Regeneration in plant Communities, Fenner, M. (Eds). CAB International,
Wallingford, pp: 31-57
Mian, A.R., and E.D., Nafziger. 1992. Seed size effect on emergence, head number and grain yield of
winter wheat. J. Prod. Agric .5:265-268.
Michaeles. H.J., B. Benner, A.P. Hartgerink., T.D. Lee and S. Rice. 1998. Seed size variation: Magnitude,
distribution and ecological correlates. Evol. Ecol., 2: 157-166.
Moles, T.A. and M. Westoby. 2004. Seedling survival and seed size: A synthesis of the literature. J. Ecol.,
92: 372- 373
Mollaabasi, M. 1996. Studying features ecological Poterium sanguisorba. M.Sc.thesis. Tarbiat Modarres
University.
Morse, D.H. and J. Schmitt. 1985. Propagule size, dispersal ability and seedling performance in A sclrpias
svriaca. Oecologia, 67: 372-379.
Peterson, C.M., B., Klepper and R.W., Rickman. 1989. Seed reserves and seedling development in winter
wheat. Agron. J. 81:245-251.
Puri, Y.P., and C.C., Qualset, 1978. Effect of seed size and seedling rate on yield and other characteristic of
durum wheat. Phyton. 36: 91-95.
Randhawa, G.S., D.S Bains and G.S., Gill. 1973. The effects of the size of seed on the growth and
development of wheat. J. Res. Punjab Agric. Univ. 10:291-295.
Ruiz de E., Clavizo. 2001. The role of dimorphic achenes in biology of the annual weed Leonodon
longirrostris. Weed Res., 41: 275-286.
Shariaty, A., 2003. Salinity tolerance of plant poterium sanguisorba in germination and seedling growth
stage. Iranian Range. For. Plant Breed. and Gen. Res., 11. (1): 17-26
Soltani, A., Galashi, S., Zeinali, E., and N., Latifi. 2001. Germination, seed reserve utilization and seedling
growth of chickpea as affected by salinity and seed size. Seed Sci. 30: 51-60.
Srivastava, J.P., and S.N., Niym. 1973. Effect of seed size on yield and other agronomic characters in
wheat. (Triticum aestivum). Seed Res. 1: 52-57.
Turnbull, L.A., M. Rees and M.J., Crawley. 1999. Seed mass and the competition /colonization trade-off:
A sowing experiment. J. Ecol., 87: 899-912.
Venable, D.L. 1992. size number trades-off and the variation in seed size with plant resource status. Am.
Natur., 140: 187-304.
Westoby, M., E. Jurado and M., Leishman. 1992. Comparartive evolutionary ecology of seed size. Tree
Ecol. Evol., 7: 368-372.
Westoby, M., D.S., Falster, A.T., Molse, P.A., Vssk and I.G., Wright. 2002. Plant ecological stratigies:
Ome leading dimensions of variation between species. Annl. Ecol. Syst.33: 125-129.
Wullf, R.. 1986. Seed size variation in Desmodium paniculatum. II. Effects on seedling growth and
physiological performance. J. Ecol.. 74: 99-114.
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