نتایج جستجو برای: as main factor and inoculation with glomus intraradices

تعداد نتایج: 18908696  

A. Ronaghi M. Zarei Z. Paymaneh

ABSTRACT-Water stress is the main cause for crop yield reduction in the majority of agricultural regions of the world because it affects almost all plant functions. The effects of Glomus mosseae on growth, nutrients uptake, and antioxidant enzymes of sour orange (Citrus aurantium) and rough lemon) Citrus jambheri) rootstocks were assessed in sterilized soil under greenhouse conditions.  A three...

Journal: :Fungal genetics and biology : FG & B 2004
Mohamed Hijri Ian R Sanders

The genome size, complexity, and ploidy of the arbuscular mycorrhizal fungus (AMF) Glomus intraradices was determined using flow cytometry, reassociation kinetics, and genomic reconstruction. Nuclei of G. intraradices from in vitro culture, were analyzed by flow cytometry. The estimated average length of DNA per nucleus was 14.07+/-3.52 Mb. Reassociation kinetics on G. intraradices DNA indicate...

Journal: :زیست شناسی خاک 0
فرهاد رجالی دانشیار موسسه تحقیقات خاک و آب کشور اشرف اسمعیلی زاد کارشناس ارشد موسسه تحقیقات خاک و آب کشور علی محمدی ترکاشوند استادیار دانشگاه آزاد اسلامی واحد رشت

the most important limiting factor for mass production of mycorrhizal fungi inoculums and subsequently their use in arable soil is obligate nature of this symbiosis. to overcome this problem, several methods such as hydroponic ,aeroponic, and root organ culture have been proposed for spore production of these fungi. each of these methods has several capabilities and limiting factors.  the goal ...

Journal: :journal of agricultural science and technology 2011
m. h. shamshiri v. mozafari e. sedaghati v. bagheri

in order to assess drought tolerance of mycorrhizal petunia plants (petunia hybrida cv. mix), a greenhouse experiment was carried out with two different mycorrhizae species (glomus mosseae and glomus intraradices) applied singly or in combination at two phosphorous (p) levels (0 and 100 mg kg-1 dry soil) and three irrigation regimes (100% field capacity (fc) as control, 75% fc producing moderat...

Journal: :بوم شناسی کشاورزی 0
محمد یزدانی مهرداد یارنیا همت اله پیردشتی ورهرام رشیدی محمد علی بهمنیار

abstract in low-input cropping systems, the natural roles of microorganisms in maintaining soil fertility may be more important than conventional system. in order to investigate the effects of plant growth promoting fungi on improvement of growth and development in soybean (cv: jk) an experiment was conducted at the research farm of sari agricultural sciences and natural resources university du...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract a fundamental study of “historio-graphic metafiction” and “literary genres”, as introduced in “new historical philosophy”, and tracing them in the works of julian barnes having studied the two novels, the porcupine and arthur & george, by julian barnes, the researcher has applied linda hutcheon’s historio-graphic metafictional theories to them. the thesis is divided into five cha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده ادبیات و علوم انسانی 1391

nowadays enhancing critical thinking in learners is considered one of the foreign language teachers’ tasks due to its high position in foreign language classrooms. when it comes to selecting materials for language classrooms, there are obviously some criteria that teachers should apply. the present study aimed at a critical thinking based analysis of ten picture story books and ten folktales th...

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

target tracking is the tracking of an object in an image sequence. target tracking in image sequence consists of two different parts: 1- moving target detection 2- tracking of moving target. in some of the tracking algorithms these two parts are combined as a single algorithm. the main goal in this thesis is to provide a new framework for effective tracking of different kinds of moving target...

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