نتایج جستجو برای: epilobium

تعداد نتایج: 154  

Journal: :Turkish Journal of Botany 2023

Epilobium and Chamaenerion included 165 8 species over the world, respectively. The members of genera are distributed particularly in moist habitats from subpolar to tropical regions.This paper aims provide improvements phylogeny using Internal Transcribed Spacer (ITS) nuclear DNA matK gene sequence data evaluation with maximum parsimony, likelihood, Bayesian inference criterations. A total 188...

Journal: : 2023

The aim. Today we are witnessing the actualization of research on plant sources for pharmaceutical and food industries. It is caused by a significant increase in demand these types resources. Therefore, variety case studies aimed at identifying characteristics resources, becoming more actual too. In accordance with this need, present work aims to identify relationship between content flavonoids...

Journal: : 2022

This article analyzes the materials of “Set additions and changes to check-list flora Republic Buryatia from 2001 2020”. Corrections comments are given on 50 species higher vascular plants, both erroneously cited as novelties, and, contrary, absent original publication, regarding territory Baikalsky State Nature Reserve its buffer zone. Two taxa amongst omitted in source material included Red D...

Journal: :Genetics 1936
T Dobzhansky

HE causation of hybrid sterility has long been one of the unsolved T problems of biology. To date, probably the greatest advance in this field has been made by FEDERLEY who discovered a failure of the meiotic chromosome pairing in the sterile hybrids between moths of the genus Pygaera. This finding has since been amply corroborated by other investigators in sterile hybrids both in animals and i...

ژورنال: The Iranian Journal of Botany 2018

این مطالعه با هدف ارزیابی صفات گرده شناسی مبتنی بر تصاویر فناوری میکروسکپ الکترونی نگاره و ارزیابی نقش آنها در تحلیل سیستماتیکی خانواده گل مغربی به انجام رسیده است. دانه‌های گرده تاکسون‌های مطالعه شده با تقارن شعاعی، چهار تایی چهار وجهی، جورقطبی، سه گوش تا سه گوش-کروی، سه منفذی با رشته‌های ویسکین، با تزئینات میله‌ای، دانه دانه تا مخطط می باشند. محور قطبی بین 30-80 میکرومتر، محور استوایی بین 40-...

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