Studies of the pollen characteristics and the taxonomic significance of Impatiens from the Yunnan-Guizhou Plateau
文献类型： 外文期刊
作者： He, Hai-hao 1 ; Ma, Ming-lan 1 ; Chen, Xin-yi 1 ; Li, Xin-yi 1 ; Li, Fan 1 ; Zhao, Qiu-yan 1 ; He, Xiao-shuai 1 ; Tan, Yi 1 ; Qu, Su-ping 2 ; Huang, Hai-quan 1 ; Huang, Mei-juan 1 ;
作者机构： 1.Southwest Forestry Univ, Res & Dev Ctr Landscape Plants & Hort Flowers, State Forestry & Grassland Adm,Yunnan Engn Res Ctr, Coll Landscape Architecture & Hort Sci,Southwest R, Kunming 650224, Yunnan, Peoples R China
2.Yunnan Acad Agr Sci, Flower Res Inst, Kunming, Yunnan, Peoples R China
关键词： Impatiens; micromorphology; palynology; pollen; SEM
期刊名称：FOLIA HORTICULTURAE （ 影响因子：2.0； 五年影响因子：2.4 ）
ISSN： 0867-1761
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Impatiens is rich in germplasm resources, with more than 260 species in China. A study on the pollen micromorphology of Impatiens by scanning electron microscopy (SEM) showed that the pollen characteristics were richly diverse, and there was some correlation among the characteristics. In addition, the micromorphological index can be used for an effective cluster analysis of Impatiens. However, there was high interspecific similarity in some Impatiens, and the classification of Impatiens cannot be accurate to the species using pollen characteristics. Based on the classification conditions of Impatiens, the characteristics of the pollen structure were found to be useful to classify Impatiens into subgenera or smaller groups. The macroscopic characteristics and the number of sepals (NS) were used as references, which enabled the conclusion that there were 11 indices in the pollen micromorphological index, and the taxonomic effect was greater than the NS. In summary, the pollen micromorphology of Impatiens plays an important role in the classification of Impatiens. The purpose of this study was to explore this characteristic of Impatiens, which has some reference significance to supplement the pollen characteristics and palynological classification of Impatiens. The goal for this research was to aid in the interspecific identification and genetic breeding of Impatiens.
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