The Effects of Different Acid Treatment and Stratification Duration on Germination of Cercis siliquastrum L. Seeds
AbstractIn this study, the effects of acid (H2SO4) treatment and moist stratification duration on the properties of seed coat, germination rate and duration of the Cercis siliquastrum L. were investigated. The rupture force and firmness of seed coat decrease during the acid treatment and moist stratification, stratification was for more than 30 minutes of these applications. Up to this treatment, rupture force and firmness were highly decreased. Contrary to this decrease, the germination rate was increased. The decrease in rupture force and firmness of seed coat were changed limitedly after 45 minutes and over acid treatments. From the results of this study, we conclude that eight weeks of moist stratification duration was optimal after 30 minutes of acid treatment to remove the physical and physiological dormancy of the seeds of the C. siliquastrum L.
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