1.23. Variation of germination and germination energy in period before seeding

In the present investigation may be remarked the tendency of variation of germination and germination energy. The hybrid seeds of Virginia tobacco type – Virginia 514 and Virginia A 545 Biala Slatina varieties increase their germination and germination energy in March. In May the value of this indications is reduceing, what is expplaining with the falling seeds in condition of rest. The rest of seeds is the most deep during the period of Jeanuary and February . The hybrid seeds of tobacco type Virginia – Virginia 514 and Virginia A 545 Biala Slatina varieties are manifesting post harvesting under – ripeness.