Implication of scanning electron microscopy in the seed morphology with special reference to three subfamilies of Fabaceae,Microscopy Research and Technique

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Implication of scanning electron microscopy in the seed morphology with special reference to three subfamilies of Fabaceae
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-04-08 , DOI: 10.1002/jemt.23772
Abdul Waheed ₁ , Mushtaq Ahmad ₁ , Muhammad Asad Ghufran ₂ , Asma Jabeen ₃ , Fethi Ahmet Ozdemir ₄ , Muhammad Zafar ₁ , Shazia Sultana ₁ , Muhammad Ajmal Shah ₅ , Salman Majeed ₁ , Aamir Shehzad Khan ₁

Affiliation

The current research work was aimed to determine the morphological variation in the seeds of subfamilies Caesalpinioideae, Mimosoideae, and Papilionoideae using scanning electron microscope to investigate the different seed features including; Seed length, width, weight, hilum shape, position, fracture line pattern, pleurogram shape, texture crudeness, ornamentation wall, and surface ornamentation. A total of 12 species were collected. The study reveals that the seed types alters from psilate to rugose, pleurogram shape from lunar to U shape, hilum shape from elliptical to depressed, hilum position from terminal to subterminal, fracture line pattern from reticulate irregular ridges to psilate with regular ridges, texture crudeness from fine to coarse, surface ornamentation from reticulate to psilate, and ornamentation wall also varies from thin to thick. In all the studied species, it was found that seed surface was brown in color except in Senna alata, in which seed surface was black. Regarding the seed size, it was found that the smallest seed was observed for Sesbania sesban, while the largest seed was observed for Pongamia pinnata. The present research article indicates the taxonomic significance of seed morphology in the subfamilies Caesalpinioideae, Mimosaceae, and Papilionoideae.

中文翻译：

扫描电子显微镜对豆科三个亚科种子形态的影响

目前的研究工作旨在使用扫描电子显微镜确定 Caesalpinioideae、Mimosoideae 和 Papilionoideae 亚科种子的形态变异，以研究不同的种子特征，包括：种子长度、宽度、重量、种脐形状、位置、断裂线图案、胸膜形状、纹理粗度、纹壁和表面纹饰。共收集到 12 种。研究表明，种子类型由psilate变为皱褶，胸膜形状由月形变为U形，脐形由椭圆形变为凹陷形，脐位置由末端变为亚末端，断裂线型由网状不规则脊变为具有规则脊的甲状，质地粗糙从细到粗，表面纹饰从网纹到斑纹，纹饰壁也由薄变厚。在所有研究的物种中，发现种子表面是棕色的，除了番泻叶，其中种子表面是黑色的。关于种子大小，发现观察到最小的种子田菁sesban，同时观察到的最大的种子水黄皮。本研究文章表明种子形态在 Caesalpinioideae、Mimosaceae 和 Papilionoideae 亚科中的分类学意义。

更新日期：2021-04-08

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