Abstract
The results of optimization of storage conditions of Portulaca oleracea L. seed material is given in thearticle. It is determined that at low positive temperatures germination of seeds decreases by 3 times by the end of thesecond year of storage. The effect of extremely low temperatures on the viability of Portulaca oleracea’s seed material isstudied; optimal cryopreservation conditions are selected: freezing in plastic cryo tubes, slow thawing at room temperature22 °C. It is studied the influence of cryoprotectors on the degree of viability of Portulaca oleracea’s seed material inliquid nitrogen. The optimal cryoprotector is 15 % sucrose solution.
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