POLLEN МОRРНОLOGY CHANGES IN PINUS PALLASIANA D. DON INTRODUCED STANDS FROM TECHNOGENIC POLLUTED AREAS
Morphostructural abnormal changes were described in Pinus pallasiana pollen of four plantings from the steppe zone: from Arboretum of Askania Nоvа Biosphere Reserve and three - from Krivyi Rih. Abnormal changes in the pollen of these four plantings were found to be associated with different numbers and development of аir bags. The proportion of abnormal pollen in the plants of the reserve was 4.7%, in three plantings from Kryvyi Rih region ranged from 13.2% to 24.8%.