Observation of Nine Types of Spinach Pollen Morphology by Scanning Electron Microscopy

文献类型： 外文期刊

第一作者： Meng, Meng

作者： Meng, Meng;Liu, Zhiyuan;Xu, Zhaosheng;Zhang, Helong;She, Hongbing;Qian, Wei

作者机构：

关键词： spinach; pollen features; scanning electron microscopy (SEM); classification

期刊名称：HORTICULTURAE （ 影响因子：3.0； 五年影响因子：3.2 ）

ISSN：

年卷期： 2024 年 10 卷 12 期

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收录情况： SCI

摘要： Spinach (Spinacia oleracea L.) is a dioecious, wind-pollinated, and important green leafy vegetable that is widely cultivated worldwide. The characteristics of spinach pollen remain unclear. Herein, we investigated the pollen microscopic morphology of nine spinach genotypes by scanning electron microscopy (SEM). Because pollen grains of spinach are isodiametric and spheroidal, the following data for the pollen properties were observed: the maximum diameter of the pollen (27.66-33.05 um), pore diameter max (1.26-2.57 um), the number of visible pores (30-44), the density of pore elements/100 mu m2 (4.33-11.00), and the density of spinule elements/10 mu m2 (4.00-5.33). These are useful characteristics in distinguishing the species. Furthermore, by applying the cluster analysis method, based on key components, nine varieties are categorized into two main classes. These results provide a useful reference for the classification and identification of different spinach varieties.

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