3 species of Pinus in Korea, P. densiflora, P. rigida, P. koraiensis, were classified by polynological studies and TLC analysis of the free amino acids in pollen.
The shapes of pollen grain are similar in 3 species. P. densiflora showed some differen...
3 species of Pinus in Korea, P. densiflora, P. rigida, P. koraiensis, were classified by polynological studies and TLC analysis of the free amino acids in pollen.
The shapes of pollen grain are similar in 3 species. P. densiflora showed some differences in the size of pollen grain and in the number, the pattern, the angle of attachment and the size of air bladder with other 2 species (p<0.05). The cell wall thickness and the type of germ furrow surface of P. koraiensis are different from those of P. densiflora and P. rigida (p<0.05). Serine, glutamic acid, alanine, valine and histidine were detected in the pollen of P.densiflora and P. rigida, but not in that of P. koraiensis.