J Integr Plant Biol. ›› 1980, Vol. 22 ›› Issue (1): -.

• Research Articles •    

Stability of wheat Protoplasts during Freezing-Thawing in Relation to Cold Resistance of Its Varieties

Jian Ling-cheng and Dong He-zhu   

Abstract: Freezing tolerance of isolated protoplasts of three wheat, varieties which differ from each other in cold resistance has been measured. The results obtained in the present study indicate that the survival percentage of wheat protoplasts after freezing treatment is indirect correlation with the cold resistance of its varieties. It is discussed that the change in plasmolemma plays a role in the mechanism of chilling injury and cold resistance of plants, and the results obtained may be used as an indicator for determining the cold resistance of the plants.

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