Pollen Morphology of Pomegranate (Punica granatum L.) from Different Eco-Geographical Populations in China
文献类型： 外文期刊
作者： Yang, Shangshang 1 ; Yuan, Zhaohe 1 ; Yin, Yanlei 2 ; Zhao, Xueqing 2 ; Feng, Lijuan 2 ; Han, Lingling 2 ; Zhu, Feng 2 ;
作者机构： 1.Nanjing Forestry Univ, Coll Forestry, 159 Longpan Rd, Nanjing 210037, Jiangsu, Peoples R China
2.Shandong Inst Pomol, Tai An, Shandong, Peoples R China
关键词： pomegranate;Punica granatum L.;pollen;pollen morphology
期刊名称：III INTERNATIONAL SYMPOSIUM ON POMEGRANATE AND MINOR MEDITERRANEAN FRUITS
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收录情况： SCI
摘要： The pollen morphology of 55 cultivars of pomegranate (Punica granatum L.) from eight eco-geographical populations in China was examined by Hitachi S-570 SEM (scanning electron microscope). Cluster analysis was carried out based on observed characteristics, such as pollen size, pollen shape, germinal aperture form and exine ornamentation. Results were as follows. The pollen grains were three colpi monads, round or triangle in polar view, prolate (P/E<2) to perprolate (P/E>2) spheroid in equatorial view. Aperture hole membrane form was evagination or no evagination. Exine ornamentation was psilate with verrucae, micromesh verrucae or scabrate verrucae. The evolutionary trend was psilate with verrucae, micromesh verrucae to scabrate verrucae. The result of cluster analysis indicated that the 55 cultivars could be classified into six groups when the similarity coefficient was 3.82. Palynological analysis was basically discordant with the morphological classification and irrelevant with geographical locations.
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