نتایج جستجو برای: a single reciprocal crossed clone p euphratica x alba and 2 other p alba clones were planted

تعداد نتایج: 20903995  

Journal: :journal of research in medical sciences 0
farahnaz fatemi naeini department of dermatology, isfahan university of medical sciences, skin and stem cell research center, tehran university of medical sciences, tehran, iran mehrnaz soghrati skin diseases and leishmaniasis research center, isfahan university of medical sciences, isfahan, iran

context: rapid stretching of the skin over the weak connective tissue leads to development of striae distensae. recently, researchers have shown special interest towards use of fractional photothermolysis in treatment of striae and several studies have shown its usefulness. our aim was to assess the efficacy of fractional co2 laser in treatment of striae alba. subjects and methods: a randomized...

Journal: :Environmental monitoring and assessment 2015
Paula Madejón Manuel Cantos María C Jiménez-Ramos Teodoro Marañón José M Murillo

Seed germination is considered a critical phase in plant development and relatively sensitive to heavy metals. White poplar (Populus alba) trees tend to accumulate Cd and Zn in their tissues. We tested if soil contamination can affect P. alba progeny, reduced seed germination and explored the distribution of mineral elements in the seed. For this purpose, fruits and seeds from female P. alba tr...

چکیدهبمنظور ایجاد روش ازدیاد درون شیشه ایی هیبرید جدید صنوبر رقم مفید (Populus euphratica Oliv. X P.alba L.) ، سرشاخه های درخت بالغ از نهالستان تحقیقاتی گروه زیست فناوری موسسه تحقیقات جنگلها و مراتع تهران جمع آوری شدند ریز نمونه حاوی جوانه‏های انفرادی بوسیله تیمارهای مختلف سترون سازی ضد عفونی و به محیط کشت استقرار منتقل یافته‏اند. استفاده از محلول کلراید مرکوریک 1/0% بمدت 1 دقیقه با 90% توان ای...

Journal: :Chemical & pharmaceutical bulletin 2010
Yan Yang Ting Gong Chao Liu Ruo-Yun Chen

Four new 2-arylbenzofuran derivatives, moracins V-Y (1-4), together with two known compounds, moracin N (5) and moracin P (6), were isolated from the leaves of Morus alba L. Their structures were elucidated by spectroscopic analysis. Moracins X (3) and Y (4) represent unusual substituted group compared with 2-arylbenzofuran derivatives, which were isolated from the genus Morus. Compounds 2-5 we...

Journal: :Forests 2022

The current study is the first to describe fertility dynamics in a Silver fir (Abies alba Mill.) seed orchard and among few reporting related information from mature orchard. research aim was evaluate female cone production order provide support future management measures. Observations were conducted clonal Eastern Carpathians over six years; all ramets of 44 clones zero-inflated data analyzed ...

Journal: :Tree physiology 1996
R. Ceulemans B. Y. Shao X. N. Jiang J. Kalina

Two hybrid poplar (Populus) clones (the fast-growing clone Beaupré (P. trichocarpa Torr. and Gray x P. deltoides Bartr. ex Marsh.) and the slow-growing clone Robusta (P. deltoides Bartr. ex Marsh. x P. nigra L.)) were grown from hardwood cuttings for one or two growing seasons (1993-1994) in either ambient or elevated (= ambient + 350 micro mol mol(-1)) CO(2) in open-top chambers at the Univers...

2016
Yan-Fei Zeng Jian-Guo Zhang Ai-Guo Duan Bawerjan Abuduhamiti

In plants, the maintenance of species integrity despite hybridization has often been explained by the co-adaption of nuclear gene complexes. However, the interaction between plastid and nuclear sub-genomes has been underestimated. Here, we analyzed the genetic structure of a Populus alba and P. tremula hybrid zone along the Irtysh River system in the Altai region, northwest China, using both nu...

ژورنال: :تحقیقات جنگل و صنوبر ایران 0
محسن کلاگری استادیار پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور رفعت اله قاسمی مربی پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور رضا باقری کارشناس ارشد پژوهش، مؤسسه تحقیقات جنگلها و مراتع کشور

درختان بید (salix l.) به طور طبیعی در حاشیه رودخانه ها و دره ها در استان های کشور انتشار دارند که نقش ارزنده ای در حفاظت اراضی حاشیه رودخانه ای و تولید زی توده ایفا می کنند. هدف از پژوهش پیش رو ارزیابی رشد نهال های دورگ های به دست آمده از تلاقی سه گونه بید و مقایسه آنها با والد بود. نهال های دورگ به دست آمده از تلاقیs. alba x s. alba ، s. alba x s. fragilis و s. alba x s. excelsانتخاب و در فرور...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...

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