Palynological analysis some species of Chenopodiaceae and its systematic implications using scanning electron microscopy

Author:

Jalilzadeh Afsaneh1,Hamdi Seyed1,Asri Younes2,Assadi Mostafa2,Iranbakhsh Alireza1

Affiliation:

1. Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran

2. Research Institute of Forests and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran

Abstract

Chenopodiaceae is a large, diverse and cosmopolitan family within the order Carophyllales. The majority of Chenopodiaceae species are adapted to saline, hypersaline, xerophytic and xerohalophytic communities or ruderal habitats. The family Chenopodiaceae is stenopolinous the pollen grains are monad and exclusively polypantoporate with tiny spinules on both tectum and operculum. Pollen morphology of six genera of Chenopodiaceae (Seidlitzia, Atriplex, Bassia, Salsola, Krascheninnikovia and Spinacia) have been studied in details. These plant species were collected from different phytogeographical regions of Iran. The palynological investigation was done using scanning electron microscopy (SEM) techniques. Pollen characters studied in this study include pollen and pore diameters, number and density of apertures, interporal distance (chord), chord/pollen diameter ratio, pore diameter/pollen diameter ratio as well as spinule density on tectum and operculum. We used different multivariate statistical methods to reveal the species relationships. Ward clustering analyses have been done to check out the relationship among the species. The shapes of pollen grains were radially symmetrical, isopolar, pantopolyporate and spheroidal. Their exine structure is similar. In the Chenopodiaceae, three pollen types have been defined, mainly on the basis of pollen grain size, pore number, number of microechinae on pore membrane, the density of spinules, and pore edge shape.

Publisher

National Library of Serbia

Subject

Plant Science,Genetics

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3