نتایج جستجو برای: quercus
تعداد نتایج: 6897 فیلتر نتایج به سال:
The purpose of our study was to examine the psychological benefits of the treatment with Robuvit® (Horphag Research Ltd.) - polyphenolic extract obtained from the wood of oak Quercus robur - on the healthy elderly individuals using energy subscale scores of the Activation - Deactivation Adjective Check List. Analysis was focused on the comparison of pre-post treatment effect of Robuvit on sympt...
An increase in temperature along with a decrease in summer precipitation in Central Europe will result in an increased frequency of drought events and gradually lead to a change in species composition in forest ecosystems. In the present study, young oaks (Quercus robur L. and Quercus petraea (Matt.) Liebl.) were transplanted into large mesocosms and exposed for 3 years to experimental warming ...
persian oak (quercus brantii lindl., the fagaceae family) is a medicinal plant which seed flour is used to treat inflammatory and gastric ulcers by the tribes in southwestern iran. the current study was done to evaluate the effect of hydro-alcoholic extract of q. brantii seed flour for treatment of gastric ulcers induced by ethanol in wistar rats. the hydro-alcoholic extract of q. brantii was t...
The objective of this study is to understand the response of Quercus suber seedlings to light and water, two limiting factors of their growth and survival in Mediterranean woody plants. Greenhouse and field experiments were conducted to contrast the results from both types of experiments. At the greenhouse experiment, Quercus suber seedlings were grown at three treatments of light (3%, 27% and ...
بذر گونۀ اوری (quercus macranthera)، از چهار مبدأمختلفکردکوی و چیچال در نیمرخ شمالی البرز و قسطین و رودبارک در نیمرخ جنوبی البرز در ارتفاع 1800-2000 متر از سطح دریا جمعآوری شد. این بذور در نهالستانی در شمال شهر تهران با ارتفاع متوسط 1620 متر از سطح دریا در قالب طرح بلوک های کاملاً تصادفی با سه تکرار در گلدان های پلی اتیلن کاشته شدند. در پایان فصل رویش پس از اندازهگیری های انجام شده، اثر مبدأ ب...
the effects of initial spacing layout on some allometric characteristics of 12-year-old quercus castaneifolia trees grown in central mazandaran, north of iran were examined. trees were planted in 5 different layouts (1?1, 1.5?1.5, 2?2.5, 2?3 and 4?4 m). tree height, diameter at breast height, natural pruning height and the survival of trees were recorded in each sample plot. tree basal area and...
the impacts of dust and sand storms (dss) on people, crops, livestock, infrastructure and health are well documented. data have accumulated on the deleterious effects of dust aerosols when they settle on plants. sand blasting of low growing plants is a common cause of failure in reforestation efforts. burial of plants by moving sands are also a cause of much damage. the physics of moving sand a...
مقدمه: گیاهquercus infectoria oliv. یکی از مهمترین گونه های دارویی رشته کوه زاگرس می باشد که از زمان های قدیم به عنوان یک گیاه دارویی شناخته شده مورد توجه بوده است. مطالعات نشان داده درخت دارمازو دارای دامنه وسیعی از خواص دارویی می باشد. در این پژوهش معرفی جامع گیاه دارویی درخت دارمازو، محل های پراکنش و روش های صحیح تشخیص آنها ارائه گردیده است. بحث و نتیجه گیری: معرفی گیاه دارویی دارمازو در راس...
Barucynips panamensis Medianero & Nieves-Aldrey, a new genus and species of oak gallwasps (Hymenoptera: Cynipidae: Cynipini), is described from adults reared from galls on Quercus bumelioides in Panama. The new genus is taxonomically close to the recently described Coffeikokkos from Costa Rica, but differs from it and all of the described genera of Cynipini, by the shape and setation of the pro...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید