Effects of Seed Moisture Content Decreasing on Germination Traits of Silver Fir (Abies alba)

Anahtar Kelimeler:

-

Effects of Seed Moisture Content Decreasing on Germination Traits of Silver Fir (Abies alba)

Fresh collected seeds from individual plants in Kelardasht (Mazandaran, Iran) with two moisture content levels (12, 20%) were putted under favorable germination condition (cold stratification for three weeks). Then germination traits GR, GS, GE, MDG, PV, GV, and MGT were studied. The results present that moisture content decreasing has significant effects on above mentioned traits. So that all traits showed negative correlation by MC% decreasing, except MGT, i.e. GR reduced 48% (67 to19%), GS 6.7 (7.8 to 1.1), GE 7% (11 to 4%), MDG 2.22 (2.8 to .58), PV 2.82 (3.4 to .58), GV 9.22 (9.52 to .3) and MGT 7.7 (9.11 to 18.7) respectively in two moisture content levels (20, 12%). These observations could be related to seed storage behavior

___

  • Alpert and Oliver 2002: Drying without dying. In: Black, M.; Pritchard, H.W. (ed.) Desiccationand survival Wallingford, CABI Publishing. p. 4-43. drying without dying.
  • Berjak P. 2005. Protector of the Seeds: Seminal Reflections from Southern Africa Science. Vol. 307. no. 5706, pp. 47 – 49.
  • Berjak P. and Pammenter N.W. 1997: Progress the in desiccation-sensitive (recalcitrant) seeds, pp. 689– 703. In: R.H. Ellis, M. Black, A.J. Murdoch and T.D. Hong (eds). Basic and applied aspects of seed biology. Kluwer Academic Publishers, Dordrecht, Netherlands. and manipulation of
  • Bewley JD., Black M. 1994. Seeds. Physiology of development and germination, 2nd edition. Plenum Pres, New York.
  • Daws MI., Garwood N.C., Pritchard HW. 2005. Traits of recalcitrant seeds in a semi-deciduous forest in Panama´: some ecological implications. Functional Ecology 19: 874–885.
  • Ellis R.H., Hong, T.D. and Roberts, E.H. 1988. A low-moisture-content limit to logarithmic relations between seed moisture content and longevity. Annals of Botany61, 405-408.
  • Ellis R.H., Hong, T.D. and Roberts, E.H.1989. A comparison of the low-moisture-content limit to the logarithmic relation between seed moisture and longevity in twelve species. Annals of Botany63, 601-611.
  • Ellis R.H., Hong, T.D., Roberts, E.H. and Tao, K.-L. 1990. Low moisture content limits to relations between seed longevity and moisture. Annals of Botany65, 493-504.
  • Ellis R.H., Hong, T.D., Roberts, E.H., 1990. An intermediate category of seed storage behavior? I. Coffee J. Exp. Bot. 41, 1167–1174.
  • Ellis R.H., Hong T.D., Roberts E.H. 1991. An intermediate category of seed storage behavior? II. Effects of provenance immaturity, and imbibition on desiccation-tolerance in coffee. J. Exp. Bot. 42, 653–657.
  • Falleri E., Muller C., Laroppe E. 1997. Effect of ethephon on dormancy breaking in beechnuts. In: Ellis R.H., Black M., Murdoch A.J., Hong T.D. (eds): Basic and Applied Aspects of Seed Biology. Dordrecht, Kluwer Academic Publishers: 303–309.
  • Gosling P.G., Butler R. A., Black M. and Chapman J. M. 1981. The onset of germination ability in developing wheat. J. Exp. Bot., 32 (128), 621–627
  • Gosling P. 2007. Raising trees and shrubs from seed. Forestry Commission Practice Guide. Forestry Commission, Edinburgh. i–iv + 1–28 pp.
  • ISTA.2008. International Rules for Seed Testing. Zurich, Seed Science and Technology, 2008, 13, 300-520.
  • Noorshad M. 2011. Statistics on seedling production in forest nurseries in the Caspian region. Afforestation and parks bureau.Forest, rangelands and watershed organization.
  • Pammenter N.W., Berjak P. 1999. A review of recalcitrant seed physiology in relation to desiccation-tolerance mechanisms. Seed SciRes. 9, 13–37.
  • Panwar – Bhardwaj S.D. 2005. Handbook of practical forestry. Agrobios (India): 191.
  • Pritchard, HW et al. 2004. Ecological correlates of seed desiccation tolerance in tropical African dry land trees. American Journal of Botany 91: 863– 870.
  • Roberts E.H. 1973. Predicting the storage life of seeds. Seed Sci. Technol. 1, 499–514.
  • Sanhewe AJ, Ellis RH 1996. Seed development and maturation in Phaseolus vulgaris. І. Ability to germinate and to tolerate desiccation. J Exp Bot 47:949-958.
  • Vertucci C.W. Farrant J.M. 1995. Acquisition and loss of desiccation tolerance. In: Kiegel, J.; Galili, G. (ed.) Seed development and germination. New York, Marcel Dekker Inc. p. 237-271.
  • Willan R.L. 1985: A guide to forest seed handling with special reference to the tropics. Food and Agriculture Organization of the United Nation Forestry Papers 20 (2): 379.
  • Younsheng C. Szikaie O. 1985. Preliminary study on the germination of Toorasinensis (A.JUSS). Roem. Seed from eleven Chinese provenances.For. Ecol. Manage.10: 269-281.