نتایج جستجو برای: essential oil percentage and tolerance indices. generally

تعداد نتایج: 16910376  

Journal: :علوم باغبانی ایران 0
جلال خورشیدی دانشجوی سابق دکتری فیزیولوژی و اصلاح گیاهان دارویی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج مجید شکرپور استادیار، گروه باغبانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج وحیده ناظری دانشیار گروه باغبانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

in order to study water deficit tolerance in thymus daenensis subsp. daenensis ecotypes, seeds of eight ecotypes were collected from different locations. seedling are produced in greenhouse, and then transferred to field as an experiment of split plot design based on rcbd with three replicates. three irrigation treatments (normal irrigation, prevention of irrigation at the start of flowering an...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

Journal: :علوم گیاهان زراعی ایران 0
محمدتقی درزی دانشیار، گروه زراعت دانشکدة کشاورزی دانشگاه آزاد اسلامی واحد رودهن رضا عطاپور دانشجوی کارشناسی ارشد، گروه زراعت دانشکدة کشاورزی دانشگاه آزاد اسلامی واحد رودهن محمدرضا حاج سید هادی دانشیار، گروه زراعت دانشکدة کشاورزی دانشگاه آزاد اسلامی واحد رودهن

application of organic fertilizers increases quality and yields in the sustainable crop production and considerably replaces or reduces chemical fertilizers. in order to study the effects of different manure and vermicompost rates on yield and essential oil contents of dragonhead, an experiment was conducted as a randomized complete blocks design with eight treatments and three replications in ...

ژورنال: علوم آب و خاک 2009
دهقانی, حمید, علیزاده, بهرام , ملک شاهی, فرنوش,

Canola (Brassica napus L.) as one of the oilseed crops has recently received lots of attention due to its suitable oil quality and high oil percentage. To evaluate the effect of water deficit stress on canola genotypes with regard to yield, drought tolerance quantitative indices and identify drought tolerant genotypes, an experiment was conducted in research farm of seed and plant improvement I...

دهقانی, حمید, علیزاده, بهرام , ملک شاهی, فرنوش,

Canola (Brassica napus L.) as one of the oilseed crops has recently received lots of attention due to its suitable oil quality and high oil percentage. To evaluate the effect of water deficit stress on canola genotypes with regard to yield, drought tolerance quantitative indices and identify drought tolerant genotypes, an experiment was conducted in research farm of seed and plant improvement I...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
f nikkhah 1- islamic azad university of science and research of tehran, tehran, iran v abdossi 2- department of horticulture, collage of agriculture and natural resources, science and research branch, islamic azad university, tehran, iran f sefidkon 3- research institute of forests and rangelands, tehran, iran e sharifi ashoorabadi 3- research institute of forests and rangelands, tehran, iran mr dehghani-mashkani institute of medicinal plants, acecr, karaj p.o.box: 33651/66591, iran tel: +98-26-34764010-9, fax: +98-26-34764021

background: thymus daenensis is on e of the endemic aromatic species in iran that its essential oil is used in food and pharmaceutical industries. objective: in this study, the effects of plant growth stages and distillation methods on essential oil content and thymol percentage of this species were evaluated. methods: the aerial parts of th. daenensis were collected in three stages of plant gr...

F Nikkhah, F Sefidkon, E Sharifi Ashoorabadi , MR Dehghani-Mashkani , V Abdossi ,

Background: Thymus daenensis is on e of the endemic aromatic species in Iran that its essential oil is used in food and pharmaceutical industries. Objective: In this study, the effects of plant growth stages and distillation methods on essential oil content and thymol percentage of this species were evaluated. Methods: The aerial parts of Th. daenensis were collected in three stages of plan...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :journal of medicinal plants and by-products 0

to study the effect of chemical and biological fertilizers on growth and essential oil content of lavender (lavandula angustifolia mill.), the present work was conducted in 2012-2013 at the experimental field of alborz research station of the research institute of forests and rangelands, karaj, iran. the experiment was conducted in factorial in the form of a randomized complete block design wit...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

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