نتایج جستجو برای: root weight

تعداد نتایج: 481435  

جعفری, عصمت, سودایی زاده, حمید, مصلح آرانی, اصغر, میر محمدی میبدی, سید علی محمد,

This study was conducted to evaluate the response of Nitraria schoberi under sand burial. Experiment conducted with two years old sapling with four treatments ( control, 33%, 50%,  66% burial and complete burial). Result showed that the highest concentration of proline (29 mg/gfw) observed in 50% and 66% burial treatment. The lowest concentration of proline (16 mg/gfw) observed in control....

Journal: :چغندرقند 0
نسرین یاوری مؤسسه تحقیقات چغندرقند سیدیعقوب صادقیان اعضاء هیئت علمی مؤسسه تحقیقات چغندرقند محمود مصباح اعضاء هیئت علمی مؤسسه تحقیقات چغندرقند

seeds of nine sugar beet lines: five drought tolerant, two susceptible, and two medium tolerant were washed, sterilised, dried, and sown in water agar medium for germination test. seedling growth characters such as cotyledon fresh weight (cfw), cotyledon dry weight (cdw), root fresh weight (rfw), root dry weight (rdw), and root length (rl) were determined after the end of 28 days period of expe...

An experiment was conducted to investigate the effects of jasmonic and humic acids on some seed germination characteristics of Roselle under the salt stress condition in a factorial experiment, adopting a completely randomized design with three replications. Treatments included four different levels of salinity stresses: 0, 70, 140 and 210 mM; four levels of Jasmonic Acid: 0, 50, 150 and 200 mM...

Journal: :بوم شناسی کشاورزی 0
صادق ملکی فیاض آقایاری محمد رضا اردکانی فرهاد رجالی

this study in order to evaluate the possibility of improving the root growth of lentil with use mycorrhiza symbiosis with cooperation azospirillum bacteria under rainfed conditions was conducted. a tri-factorial experiment was organized on the basis of randomized complete block design with four replicates, in which factor m was the mycorrhizal inoculums in three levels including (not use, use m...

Journal: :مدیریت خاک و تولید پایدار 0
حسین بشارتی هیات علمی صلاح الدین مرادی .

drought, high and low tempratures are the most important abiotic stresses in chickpea cultivation. improving plant root characteristics (root length and root volume) is one of the ways to increase drought tolerance in chickpea. mycorrhizal symbiosis increases drought resistance of host plants through different mechanisms. to study the effects of water stress and mycorrhizal fungi inoculation on...

2018
Kiflemariam Yehuala Belachew Kerstin A. Nagel Fabio Fiorani Frederick L. Stoddard

Background Soil moisture deficiency causes yield reduction and instability in faba bean (Vicia faba L.) production. The extent of sensitivity to drought stress varies across accessions originating from diverse moisture regimes of the world. Hence, we conducted successive greenhouse experiments in pots and rhizotrons to explore diversity in root responses to soil water deficit. Methods A set o...

The present study investigates the effects of Glomus mosseae and Glomus intraradices on the resistance of green basil plants to salinity stress. The findings suggested that there was an interaction of effects between mycorrhiza fungi inoculation and salt stress on the physiological characteristics of Ocimum basilicum L. On one hand, salinity decreased percentage of root colonization, root lengt...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2004
Rawia Zayed Michael Wink

Hairy root cultures of Brugmansia suaveolens were set up by infection of root tips with Agrobacterium rhizogenes. The successful transformation was confirmed by analysing rolC and virC genes using polymerase chain reaction (PCR). Hairy root cultures were employed to study the formation of tropane alkaloids, such as hyoscyamine. The transformed cultures were incubated with potential elicitors, s...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1393

مقدمه و هدف: یکی از مهمترین فاکتورهای موفقیت در درمان ریشه، آماده سازی مناسب کانال ریشه و تا حد امکان حفظ ناحیه پری آپیکال، بدون تغییر می باشد. تعیین طول کارکرد صحیح، فاکتوری ضروری برای رسیدن به به این هدف می باشد. رایج ترین تکنیکهای تعیین طول کارکرد، رادیوگرافی معمولی و آپکس لوکیتورهای الکترونیکی می باشند. هدف این مطالعه و c-shape آزمایشگاهی، ارزیابی دقت آپکس لوکیتور در اندازه گیری طول کار...

ژورنال: علوم آب و خاک 2009
اعتمادی, نعمت الله, بانی نسب, بهرام, حجتی, مریم,

This study was conducted to evaluate the effects of paclobatrazol and cycocel on some quantitative and qualitative traits of zinnia. Seedlings were transplanted on Horticulture Department Farm , College of Agriculture, Isfahan University of Technology. The experiment was carried out in the framework of randomized complete block with 3 replications. Triats which were studied included plant heigh...

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