نتایج جستجو برای: eucalyptus rubida

تعداد نتایج: 7668  

2011
Ian D. Lunt Heidi C. Zimmer David C. Cheal

Seedling regeneration after a high intensity wildfire was assessed in a mixed forest dominated by Eucalyptus species andCallitris endlicheri (Parl.) F.M.Bailey. Patternswere compared against the ‘slow seedling’or ‘tortoise-and-hare’ theory of competitive interactions betweengymnosperms andangiosperms.Browsing effectswere documentedusing fenced plots, and seedling density, mortality and height w...

2011
Ziv Shani

Eucalyptus is the second most planted tree on earth. Despite this ranking, its mature breeding programs, clonal propagation and deployment and short rotation time make it a leading target for biotechnology improvement. The recently completed eucalyptus genome project provides an enormous opportunity for understanding and developing new traits for eucalyptus forestry. The main obstacle for wides...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2015
C M G Simeão F A Silveira I B M Sampaio E M A F Bastos

Eucalyptus plantations are frequently used for the establishment of bee yards. This study was carried on at Fazenda Brejão, northwestern region of the State of Minas Gerais, Brazil. This farm is covered both with native Cerrado vegetation (Brazilian savanna) and eucalyptus plantations. This paper reports on the botanic origin of pollen pellets and honey collected from honeybee (Apis mellifera) ...

ژورنال: :تحقیقات گیاهان دارویی و معطر ایران 2007
فاطمه سفیدکن محمد حسن عصاره مهدی میرزا زهرا آبروش محمد حسن صالحه شوشتری

در این تحقیق برگهای پنج گونه اکالیپتوس به نامهای eucalyptus microtheca f. muell، e. gongylocarpa blakely، maiden e. gillii، maiden e. woodwardi وe. salubris f. muell در فصل بهار، از دو نقطه در استان خوزستان (شوشتر و دزفول) جمع آوری شد و پس از خشک شدن در محیط آزمایشگاه، به روش تقطیر با آب، مورد اسانس گیری قرار گرفت. سپس ترکیب های تشکیل دهنده اسانس ها با استفاده از کروماتوگرافی گازی تجزیه ای (ana...

سابقه و هدف: بسیاری از گونه‌های جنس اکالیپتوس با رشد سریع و تنوع ژنتیکی بالا برای جنگل‌کاری در مناطق مختلف اکولوژیک استفاده می‌شوند. این پژوهش به‌منظور ارزیابی عملکرد برخی گونه‌ها و پروونانس‌های اکالیپتوس به‌مدت سه سال در ایستگاه تصفیه فاضلاب در پنج کیلومتری شمال شرقی شهر قم اجرا گردید. مواد و روش‌ها: آزمایش به‌صورت فاکتوریل بر پایه طرح بلوک‌های کامل تصادفی با دو فاکتور ژنوتیپ در شش سطح ...

Journal: :Contact dermatitis 2015
Anton C de Groot Erich Schmidt

Dear Sir, We read the excellent short review article of Higgins et al. (1) on contact allergy to and the safety of eucalyptus oil with great interest. Having recently finished writing a full literature review of contact allergy to and the chemical composition of essential oils (2), we would like to give some additional information on eucalyptus oil. Also, we will address the question raised by ...

2006
Verónica Ferreira Arturo Elosegi Vladislav Gulis Jesús Pozo Manuel A. S. Graça

The replacement of diverse deciduous forests by eucalyptus plantations changes the timing, quality and quantity of litter inputs to streams, which has the potential to affect the activity of decomposers and thus ecosystem functioning. Here, we compared (a) the decomposition rate of alder and oak leaves incubated in deciduous and eucalyptus streams in Spain and Portugal, (b) the activity (fungal...

2011
María A. Gandolfo Elizabeth J. Hermsen María C. Zamaloa Kevin C. Nixon Cynthia C. González Peter Wilf N. Rubén Cúneo Kirk R. Johnson

The evolutionary history of Eucalyptus and the eucalypts, the larger clade of seven genera including Eucalyptus that today have a natural distribution almost exclusively in Australasia, is poorly documented from the fossil record. Little physical evidence exists bearing on the ancient geographical distributions or morphologies of plants within the clade. Herein, we introduce fossil material of ...

Journal: :Fungal biology 2013
C A Pérez M J Wingfield N Altier R A Blanchette

Mycosphaerella species are well-known causal agents of leaf diseases on many economically and ecologically important plant species. In Uruguay, a relatively large number of Mycosphaerellaceae and Teratosphaeriaceae are found on Eucalyptus, but nothing is known of these fungi on native Myrtaceae. The aim of this study was to identify Mycosphaerellaceae and Teratosphaeriaceae species associated w...

2013
Yang Suk Jun Purum Kang Sun Seek Min Jeong-Min Lee Hyo-Keun Kim Geun Hee Seol

Eucalyptus oil has been reported effective in reducing pain, swelling, and inflammation. This study aimed to investigate the effects of eucalyptus oil inhalation on pain and inflammatory responses after total knee replacement (TKR) surgery. Participants were randomized 1 : 1 to intervention group (eucalyptus inhalation group) or control group (almond oil inhalation group). Patients inhaled euca...

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