SEM Observation of Pollen Morphology Of Zhang Jia Jie Local Pear
Local pear pollens from Zhang Jia Jie in Hunan Prov ince were examined with scanning electron microscope(SEM).The results showed that the shape of theses pollen grains is all prolate spheroid,and that the difference in their superficial fine structure was found.Pollen ornamentation of Ma Tang pear is c urved crosswise,no pcrforation almost;and that of Mu Tou pear is parallel length wise, with marked perforation; Qing Pi pear has pollen grains with circle round striation and more perforation;Tang Pear No.2 has pollen grains with slantwise pa rallel striation and no perforation almost; Both San Guo pear and Tang Pear No.1 have pollen grains with lengthwise striation, more perforation which is indisti nctive, their relationship is nearer.
NETL
NSTL
万方数据
维普
