نتایج جستجو برای: taxonomy and iran
تعداد نتایج: 16845170 فیلتر نتایج به سال:
a survey was conducted to determine the species of the genus lissonota gravenhorst, 1829 in two iranian southern provinces of fars and hormozgan from february 2011 through august 2013. six species were identified of which five species are recorded for the first time from iran. the newly recorded species are as follows: lissonota bivittata gravenhorst, 1829, l. clypeator gravenhorst, 1820, l. im...
در این تحقیق برگچه و محور برگ در14 گونه ایرانی جنس گلسرخ متعلق به 2 زیر جنس و 4 بخش مورد تشریح مقایسه ای قرار گرفته است. گونه های مورد بررسی عبارتند از: rosa elymaitica , r. canina , r. muschata , r. persica, r. webbiana, r. beggeriana, r. pimpinellifolia, r. foetida, r. pulverulenta, r. iberica , r. orientalis, r. villosa , r. boissieri & r. hemisphaeriaca. بر اساس مطالعات مرفولو...
three species of the genus xylaria (xylariaceae) are presented based on collections from guilan province, iran. both morphological and molecular characteristics were used in order to identify these species. xylaria longissima sp. nov. is described and illustrated as a new xylaria species and x. cf. striata and x. xylarioides are reported as new records from iranian mycobiota. xylaria longissima...
This paper presents the findings of a research on the genus Isatis L.(Brassicaceae) in Iran. Isatis specimens kept in major herbaria of Iran were examined carefully. Fresh specimens were collected from Tehran, Mazandaran, Semnan, Hamedan, Kurdistan, W. Azarbaijan , E. Azarbaijan, Ardebil and Ghazvin provinces. Images of type or otherwise valid specimens kept in Viena, Munich, Montpollier and Ke...
abstract this study examined the relationship between noticing pronunciation and the improvement pronunciation by administering a 50 item story, as proficiency- test in order to investigate the effectiveness of noticing pronunciation on the improvement of pronunciation. accordingly 60 qualified students were selected and assigned to the two groups of experimental and control randomly, each gr...
abstract the present study is concerned with the syntactic deviation in hafezs poetry. poems are known to be accompanied with various linguistic deviations. these deviations may be phonological, morphological and/or syntactic. the relatively high frequency of the cases of the syntactic deviation in hafezs poems makes this rhetorical feature as a main characteristic of his poetry. this thesis, ...
introduction: diabetes mellitus is an growing national and international public health concern. the number of people affected by diabetes in world by 2030 will be 69% in developing countries. regular physical activity plays a key role in the management of type 2 diabetes melitus, particularly glycemic control. it has been recommended that peoples with type 2 diabetes participate in moderate-int...
گونة scorzonera ovataکه از شمال شرقی ایران جمع شده است برای اولین بار و گونة scorzonera longipapposaکه از جنوب ایران جمع آوری گردیده است به عنوان گونه ای جالب از ایران گزارش می شوند.
this paper reports some species of ameroseiidae from various habitats in different parts of iran. ameroseius bassolase (vargass, 2001)has been reported from iran, but it was a misidentification of sertitympanum aegyptiacus nasr & abow-awad, 1984. redescription of ameroseius lidiae bregetova, 1977 based on female specimens is also presented.
در این مطالعه دانه گرده 13 گونه از جنس rosa متعلق به دو زیر جنس rosa و hulthemia و یک دورگه با استفاده از میکروسکوپ نوری و الکترونی مورد مطالعه قرار گرفت. بر اساس شکل دانه گرده، در 11 تاکسون شکل subprolate و به ندرت prolate, prolate- spheroidal مشاهده شد. دانههای گرده سه شیار منفذی و ساختار دریچه شامل 3 ectocolpi و3 endopores است. endopores معمولا در بخش میانی ectocolpi قرار گرفته اند. مشابه ...
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