نتایج جستجو برای: geum l
تعداد نتایج: 618223 فیلتر نتایج به سال:
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...
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...
Anti-Helicobacter pylori activity of the methanolic extract of Geum iranicum and its main compounds.
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...
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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