نتایج جستجو برای: Crataegus sp

تعداد نتایج: 120953  

ژورنال: :علوم باغبانی ایران 2012
حمید عبدالهی داریوش آتشکار اسداله علیزاده

از مشکلات اصلی کشت متراکم گلابی در کشور عدم وجود پایه های پاکوتاه یا نیمه پاکوتاه کننده سازگار با ارقام و شرایط خاک های آهکی بوده و لذا احداث باغ های پاکوتاه در این گونه با مشکل همراه است. این تحقیق با هدف ارزیابی مقایسه ای و بررسی امکان استفاده از پایه بذری زالزالک ((crataegus sp. بعنوان پایه پاکوتاه کننده و پایه همگروه کوئینس a بعنوان پایه نیمه پاکوتاه کننده در کنار پایه معمول گلابی بذری، روی...

ژورنال: :دو فصلنامه تحقیقات ژنتیک و اصلاح گیاهان مرتعی و جنگلی ایران 2015
زهرا مقیمی عباس صفرنژاد

زالزالک  (crataegus sp)ازجمله گیاهانی است که جوانه­زنی بذر آن به سختی انجام می شود. بنابراین هدف از این تحقیق تعیین محیط بهینه برای تکثیر گیاه زالزالک از طریق کشت بافت و مقایسه میزان فلاونوئید موجود در کالوس، برگ و میوه این گیاه بود. محیط­های مورد استفاده شامل محیط­کشت پایه b5، ms و n6 بود که همراه با تیمارهای هورمونی مختلف استفاده گردیدند. آزمایش بر پایه طرح کاملاً تصادفی در 3 تکرار انجام شد. ب...

Journal: :international journal of advanced biological and biomedical research 2013
yousef askari elmira kafash saei sehar delpasand dorna rezaei

spatial pattern of trees can possibly indicate stand history, population dynamics, and species competition. this research was investigated in the chahartagh forest reserve, ardal region, chaharmehal and bakhtiari province, central zagros forest, and southwest iranian state. in this study 53 hectare of the study area was selected and perfect inventory.  information includes the position and kind...

2015
Mustafa T. Mohammed

Background: myocardial ischemia-reperfusion (I/R) injury may occur in a variety of clinical set tings and this remains a significant problem. Oxygen free radi cals, produced on reperfusion have been shown to play a major role in myocardial I/R injury. Various therapeutic effects have been described for Crataegus. Additionally, it has been presented that Crataegus has protective effect against i...

Journal: :Acta medica Iranica 2012
Ali Shalizar Jalali Shapour Hasanzadeh Hassan Malekinejad

Cyclophosphamide (CP) is extensively used as an antineoplastic agent for the treatment of various cancers, as well as an immunosuppressive agent. However, despite its wide spectrum of clinical uses, CP is known to cause several adverse effects including reproductive toxicity. Crataegus monogyna is one of the oldest pharmaceutical plants that have been shown to be cytoprotective by scavenging fr...

2014
Knud Ib Christensen Mehdi Zarrei Maria Kuzmina Nadia Talent Charlotte Lin Timothy A. Dickinson

Crataegus monogyna Jacq. is naturalized in North America, where it has hybridized with native diploid hawthorns at least twice. We provide names for the two nothospecies (as well as for the corresponding nothosections and nothoseries), referring to existing documentation in the literature for nothosp. nov. Crataegus ×ninae-celottiae K.I. Chr. & T.A. Dickinson (C. monogyna × C. punctata Jacq.). ...

2010
STEPHEN DAHMER

H awthorn, a Crataegus species, is part of a genus of spiny shrubs and trees native to temperate regions in the Northern Hemisphere in Europe, Asia, and North America. Depending on the taxonomic interpretation, between 200 and 1,000 species of Crataegus have been recognized. Hawthorn is the oldest known medicinal plant in European medicine; its actions on the heart were first described by Diosc...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2001
C Ahumada D García T Saenz A Gómez A Cert

A phytochemical study of two plant species, Viscum cruciatum Sieber and Crataegus monogyna Jacq., was completed to investigate the influence of the parasite Viscum cruciatum on the host Crataegus monogyna. The study was carried out with two samples and consisted of hexane extracts of the Viscum cruciatum parasitizing on Crataegus monogyna and C monogyna. In these samples ursolic acid, beta-sito...

2013
Yamina Benmalek Ouahiba Ait Yahia Aicha Belkebir Marie-Laure Fardeau

Illicium verum (badiane or star anise), Crataegus oxyacantha ssp monogyna (hawthorn) and Allium cepa (onion), have traditionnally been used as medicinal plants in Algeria. This study showed that the outer layer of onion is rich in flavonols with contents of 103 ± 7.90 µg/g DW (red variety) and 17.3 ± 0.69 µg/gDW (white variety). We also determined flavonols contents of 14.3 ± 0.21 µg/g 1.65 ± 0...

2018
V Hadjimitova T Traykov P Hadjieva P Traldi

Investigations on procyanidin profile on Bulgarian Crataegus oxycantha fruits extract has been carried out by different analytical approaches based on chromatographic methods. We retained of interest to test the validity of direct infusion of Crataegus extract in ESI conditions to achieve an immediate fingerprinting of the procyanidins therein contained. The results are compared with those obta...

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