نتایج جستجو برای: wild species

تعداد نتایج: 685820  

محمدجانی, ژیلا, نقی نژاد, علیرضا, کلیج, صدیقه,

Wild grapevine, Vitis vinifera subsp. sylvestris is considered as a rare species in Europe and Iran and possesses restricted distribution due to threatening factors. Natural populations of wild grapevine in the north of Iran were evaluated in three wild areas of coastal and plains areas of Miankaleh, submontane areas of Amol and the forest patches of Kojour and a cultivated sample of crop grape...

A. La Rosa, A. Saitta, G. Moschetti, L. Settanni, M. Cruciata, P. Barbaccia, R. Gaglio,

Background: The continuous worldwide increase of consumption of fresh mushrooms has registered in the recent years. The major goal of this study was to determine the microbiological characteristics of wild edible mushrooms and effect of temperature during storage of Morchella conica. Methods: Wild mushrooms of the species Boletus edulis, Cantharellus cibarius, and Leccinum aurantiacum were col...

F. Chakmedouz Qasemi M. Pourkazemi s. Dorafshan, Y. Keivany

The Caspian Sea and its basin (e.g. Anzali wetland) is one of the natural habitats of wild common carp Cyprinus carpio. In this study the genetic structure of this species. In the south-west of Caspian Sea (the Anzali wetland) was investigated using PCR-RFLP analysis of D-loop region. Two hundred of mature fish were collected from 5 stations (40 individuals from each station) including Siahkesh...

Journal: :علوم باغبانی ایران 0
علی شاهی قره لر دانشجوی سابق کارشناسی ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران ذبیح اله زمانی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمدرضا فتاحی مقدم دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران ناصر بوذری استادیار، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج عبداله خدیوی خوب دانشجوی دکتری، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

some cerasus sub-genus wild species that are used as rootstocks in sour and sweet cherry propagation can also be employed in breeding programs. the aim of this study was to clearly evaluate some characteristics of subgenus cerasus genotypes to be used in the future cherries' breeding programs. in order to evaluate some morphological characteristics of the vegetative parts as well as seeds ...

Journal: :بوم شناسی کشاورزی 0
بیژن سعادتیان گودرز احمدوند فاطمه سلیمانی

this research was investigated to evaluate growth indices and competitive ability of two wheat ) triticum aestivum l. (cultivars in interference with two species of narrow and broad leaf weeds as two separated experiments based on a randomized complete block design with three replications at agricultural faculty of bu-ali sina university, during 2008-2009. in both experiments, alvand and sayson...

Journal: :تولید گیاهان زراعی 0
علی قنبری استادیار دانشگاه فردوسی مشهد، ابراهیم کازرونی منفرد استادیار دانشگاه جامع علمی- کاربردی محمدتقی آل ابراهیم استادیار دانشگاه محقق اردبیلی سجاد میجانی دانشجوی کارشناسی ارشد دانشگاه فردوسی مشهد مهدی افشاری دانشجوی دکتری دانشگاه فردوسی مشهد جواد شباهنگ کارشناس آموزشی گروه زراعت، دانشگاه فردوسی مشهد

in order to evaluate competition among some weed species and canola, a field experiment in astan ghods razavi's field in mashhad was done on 2007-2008. thirty 50×50 cm quadrates were used in two times (stem and flower production) to measure the canola dry weight, leaf area index and canola and weeds density with destruction and thirty similar quadrates were used for counting weed species a...

Journal: :journal of crop protection 0
khosrow chehri department of biology, faculty of science, razi university, kermanshah, iran. seyyed meqdad hasani department of biology, faculty of science, islamic azad university, yasuj branch, iran.

wild grasses are the most important primary feedstuffs which are susceptible to contamination with toxigenic fungi belonging to aspergillus spp. in order to explore diversity of aspergillus species associated with the inflorescences of gramineous weeds, infected inflorescences were collected from wild grasses in western parts of iran. fifty-six aspergillus isolates were obtained from all diseas...

Journal: :زیست شناسی جانوری تجربی 0
محمد تقدیسی کارشناس ارشد محیط زیست، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات . محمد کابلی دانشیار یار گروه محیط زیست و شیلات، دانشکده منابع طبیعی دانشگاه تهران، آزیتا فراشی استادیار گروه محیط زیست دانشکده منابع طبیعی و محیط زیست دانشگاه فردوسی مشهد owsi university of mashhad, iran

carnivores play great ecological roles in ecosystems because of placing on top of the food pyramid. food habits of large carnivores are associated with important ecological features such as spatial pattern, movement, habitat selection, social structure, geographical distribution and reproductive success. accordingly, in this study was used scat analysis to determine the diet of persian leopards...

A. Rahdari al. et

After around a hundred years of being without any record of occurrence of Paracobitis rhadinaea, a species of Nemacheiline loach, in Sistan basin, southeast of Iran, the year 2012 was the turning point of wild life in this area. Twenty-five specimens were caught from Chahnimeh Reservoir, a water body adjacent to the Hamoun Wetland in Sistan basin. Morphometric and meristic characteristics were ...

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