Microscopic investigation of pollen morphology of Brassicaceae from Central Punjab‐Pakistan,Microscopy Research and Technique

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Microscopic investigation of pollen morphology of Brassicaceae from Central Punjab‐Pakistan
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-01-06 , DOI: 10.1002/jemt.23432
Hafiza Amina ₁ , Mushtaq Ahmad ₁ , Ghulam Raza Bhatti ₂ , Muhammad Zafar ₁ , Shazia Sultana ₁ , Maryam Akram Butt ₁ , Saraj Bahadur ₁ , Ihsan-Ul Haq ₃ , Muhammad Asad Ghufran ₄ , Lubna ₁ , Shafiq Ahmad ₁ , Shomaila Ashfaq ₁

Affiliation

The intention of the current study is to provide an account on the palynological features of Brassicaceae from Central Punjab‐Pakistan as a basis for future studies. Different morpho‐palynological characteristics both qualitative and quantitative were analyzed during this research which includes shape of pollen, diameter of pollen, P/E ratio, exine sculpturing, thickness of exine, type of pollen, shape and size of lumens, and thickness of murus. Taxonomic keys were also constructed based on pollen morphological characters for correct identification of species. This study aims to provide detailed information of pollen diversity and their exine structure based on both qualitative and quantitative characters by using Light microscopy and Scanning electron microscopy. Shape of pollen is mostly prolate, but some species also have sub‐prolate to spheroidal prolate types. Exine ornamentation in most species was reticulate, whereas micro reticulate (one species) and coarsely reticulate (one species) exine also observed in some pollen. All the pollen mentioned in this study have tricolpate apertures. Variation found in thickness of exine and other characters proved to be helpful at generic and specific level. The results reinforced the significance of pollen morphological features of family Brassicaceae and aid for valuable taxonomic tool in plant systematics.

中文翻译：

旁遮普邦中部十字花科的花粉形态的显微观察

本研究的目的是提供巴基斯坦旁遮普邦中部十字花科的孢粉学特征，作为以后研究的基础。在这项研究中，分析了定性和定量的不同形态学特征，包括花粉的形状，花粉的直径，P / E比，外来的雕刻，外在的厚度，花粉的类型，内腔的形状和大小以及泥浆的厚度。还基于花粉形态特征构建了分类关键，以正确识别物种。本研究旨在通过光学显微镜和扫描电子显微镜的定性和定量特征，提供有关花粉多样性及其花ine结构的详细信息。花粉的形状大多呈长圆形，但是有些物种也有亚扁球形到扁球形。大多数物种的外装饰呈网状，而在某些花粉中也观察到微网状（一种）和粗网状（一种）外壁。在这项研究中提到的所有花粉都有三col孔。在外在和其他特征的厚度上发现的变化被证明对一般和特定水平是有帮助的。结果增强了十字花科的花粉形态特征的重要性，并为植物系统中有价值的分类工具提供了帮助。在外在和其他特征的厚度上发现的变化被证明对一般和特定水平是有帮助的。结果增强了十字花科的花粉形态特征的重要性，并为植物系统中有价值的分类工具提供了帮助。在外在和其他特征的厚度上发现的变化被证明对一般和特定水平是有帮助的。结果增强了十字花科的花粉形态特征的重要性，并为植物系统中有价值的分类工具提供了帮助。

更新日期：2020-01-06

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