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 reducing, what is explaining with the falling seeds in the condition of rest. The rest of seeds is the deepest during the period of January and February. The hybrid seeds of tobacco type Virginia - Virginia 514 and Virginia A 545 Biala Slatina varieties are manifesting post harvesting under - ripeness. [BG].
Variation of germination and germination energy in period before seeding