نتایج جستجو برای: oxidative enzymes and to identify drought tolerant genotypes in tall fescue twenty

تعداد نتایج: 22618082  

2016
Dawid Perlikowski Sylwia Kierszniowska Aneta Sawikowska Paweł Krajewski Marcin Rapacz Änne Eckhardt Arkadiusz Kosmala

Drought tolerant plant genotypes are able to maintain stability and integrity of cellular membranes in unfavorable conditions, and to regenerate damaged membranes after stress cessation. The profiling of cellular glycerolipids during drought stress performed on model species such as Arabidopsis thaliana does not fully cover the picture of lipidome in monocots, including grasses. Herein, two clo...

Journal: :Indian journal of biochemistry & biophysics 2012
Rachana Devi Narinder Kaur Anil Kumar Gupta

In an effort to determine the biochemical markers for identifying genotypes before sowing for drought tolerance, changes in activities of antioxidant enzymes were determined in the seedlings of five drought-tolerant and five drought-sensitive wheat (Triticum aestivum L.) genotypes, each with different genetic background growing under normal and water deficit conditions induced by 6% mannitol. I...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده ادبیات و علوم انسانی 1392

an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...

دهشیری , امید, پاک نیت, حسن,

As other crops, oilseed rape (Brassica napus L.) is severely affected under drought conditions. The mechanisms which reduce damages caused by oxidative stress have important roles in resistance of plants to drought stress and antioxidant enzymes have primed importance in this regards. In this factorial experiment 9 oilseed rape genotypes were compared under 3 stress levels (FC, 75%FC, 50%FC) in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

Journal: :به زراعی کشاورزی 0
کامران امیری نسب کارشناس ارشد، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران هدایت زکی زاده استادیار، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران محمود قاسم نژاد دانشیار، گروه علوم باغبانی، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران محمد حسن بیگلویی استادیار، گروه مهندسی آب، دانشکدة علوم کشاورزی، دانشگاه گیلان، رشت، ایران

drought preconditioning (dp) is a method of irrigation with low frequency and longer duration, to extend the root system and suppress drought damage in plants. in the present study, the effect of dp for 30 days on increasing tolerance to drought stress in two turfgrass species, creeping bentgrass (agrostis stolonifera cv.palustris) and tall fescue (festuca arundinacea cv. greystone) was investi...

Journal: :علوم گیاهان زراعی ایران 0
سید حمزه حسینیان دانشجوی کارشناسی ارشد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران ناصر مجنون حسینی استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران

in order to evaluate and drought tolerance selection in cowpea genotypes and to identify the best indices for drought tolerance, an experiment was conducted at research field university of tehran in karaj during 2011-2012 growing season. in this study, 31 cowpea genotypes were evaluated in a randomized complete block design (rcbd) with three replications under normal irrigation (non- stress) an...

احسان زاده, پرویز, بانی نسب, بهرام, غلامی, مهدیه, قبادی, سیروس, مهری, حمیدرضا,

Water stress is one of the most important abiotic limiting factors that restricts growth, development and productivity of horticulrural crops. In vitro methods have been successfully used for evaluating water deficit stress in plants. In this regards, responses of four Iranian grapevine genotypes to drought stress induced by polyethylene glycol 6000 at -5, -5.24, -5.65, -6.24 and -7 bar were...

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