نتایج جستجو برای: geum l

تعداد نتایج: 618223  

2003
Claudia Erbar

In angiosperm reproduction, pollen tubes elongate from the stigma through the stylar transmitting tissue to the ovary to deliver the male gametes for fertilization. This article reviews different forms of pollen tube transmitting tracts within the style as well as possibilities for bridging the gap from the transmitting tissue to the ovule. The pollen tube transmitting tissue is the place of po...

ژورنال: :بیماریهای گیاهی 2011
فائزه علی آبادی مهرداد عباسی سعید رضائی

سیزده آرایه زنگ از سه جنس phragmidium، puccinia و uromyces از ناحیه البرز مرکزی گزارش می گردند. گونه های phragmidium asiae-mediae، ph. tranzschelianum به ترتیب روی geum kokanicum و rosa iberica؛ puccinia hieracii var. piloselloidarum روی hieracium woronowianum؛ uromyce geranii روی geranium spp. و uromyces eurotiaeروی krascheninnikovia ceratoidesبه عنوان آرایه های جدید برای میکوبیوتای ایران معرف...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2012
Somayeh Shahani Hamid R Monsef-Esfahani Soodabeh Saeidnia Parastoo Saniee Farideh Siavoshi Alireza Foroumadi Nasrin Samadi Ahmad R Gohari

Geum iranicum Khatamsaz, belonging to the Rosaceae family, is an endemic plant of Iran. The methanol extract of the roots of this plant showed significant activity against one of the clinical isolates of Helicobacter pylori which was resistant to metronidazole. The aim of this study was the isolation and evaluation of the major compounds of G. iranicum effective against H. pylori. The compounds...

Journal: :Sustainability 2022

Black-spotted pond frogs (Pelophylax nigromaculatus), widely distributed in East Asia, can be suitably used for the study of population genetic patterns and ecosystem monitoring. To systematically manage, conserve, this species, it is necessary to understand its habitat range. We analyzed morphological range black-spotted frog populations within a watershed Geum River, one main rivers South Kor...

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