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Thirty-nine out of eighty-five barley varieties/strains survived until heading stage in the saline experimental field $(0.03-0.05\%\;salt)$ and they were used for pollen study. Light and scanning electron microscopic observations revealed two distinctive types of barley pollens: one transparent and small in size and the other dark and larger. In addition, both types of pollens were stained with Alexander's stain and it was found that the smaller and transparent pollen was cytoplasm-devoid (CD) while the larger pollen was cytoplasm-rich (CR). Sixteen out of 39 barley varieties/lines grown in the saline soil had CR pollens, which were rarely observed in the barley plants grown in the non-saline soil. Moreover, it was observed that salt stress severely reduced seed setting in the varieties having degenerated pollens. These results suggest that salt stress affects the fertility of barley pollen. The sterile pollen was undersized and lack of cytoplasm probably due to abortion. Furthermore, a varietal difference existed in the response of pollen development to salt stress.

참고문헌 (11)

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  5. Alexander, M. P. 1980 A versatile stain for pollen, fungi, yeast and bacteria. Stain Technol 55. 13-18 
  6. Dorion, S , S. Lalode, and H S Saini 1996 Induction of male sterility in wheat by meiotic-stage water deficit is preceded by a decline in invertase activity and changes in carbohydrate metabolism in anthers. Plant Physiol. 111 : 137-145 
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  8. Cramer, G. R., E. Epstein, and A. Lauchli. 1990. Effects of sodium, potassium and calcium on salt-stressed barley. Physiol. Plant. 80 83-88 
  9. Noble, C. L. and M. E Rogers 1992. Arguments for the use of physiological criteria for improving the salt tolerance in crops Plant and Soil 146. 99-107 
  10. Biasi, R., G. Falasca, A Speranza, A De Stradis, A. Scoccianti, M Franceschetti, N Bagni, and M. M. Altamura. 2001. Biochemical and ultrastructural features related to male sterility in the dioecious species Actinidia deliciosa. Plant Physiol. Biochem 39 395-406 
  11. Szabolcs, I. 1994. Soils and salinization. In Handbook of Plant and Crop Stress.(M. Pessarakli. ed.) Marcel Dekker Inc., New York. pp. 3-12 

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