نتایج جستجو برای: the percentage of callus induction

تعداد نتایج: 22799802  

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

the aim of the current study was to investigate the relationship among efl learners learning style preferences, use of language learning strategies, and autonomy. a total of 148 male and female learners, between the ages of 18 and 30, majoring in english literature and english translation at islamic azad university, central tehran were randomly selected. a package of three questionnaires was ad...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده ادبیات 1394

abstract the purpose of this study was to find out the effect of applying the principles of group-dynamic assessment (g-da) on learning of conditional structures in english by iranian efl learners at the intermediate level, which according to the formal educational system in iran, includes students who are in their second year of studying in high schools of koohdasht city. this study was a qua...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده برق و کامپیوتر 1390

one of the most important goals for increasing recognition and treatment revenue is transmitting vital data to medical care team, more quickly. nowadays, use of new technologies for transmitting data will deploy more and more daily. in this article, for transmitting electrocardiogram, first we code the signal into a suite of codes, then we will use bluetooth technology to transmit data from off...

حاتمی, روح الله, رنجبر, غلامعلی, کاظمی تبار, سید کمال ,

In present experiment callus induction and plantlet regeneration of four sesame varieties (Oltan, Yekta, Varamin and Single Branch Naz) have been considered in different environments with different hormone combinations. In order to evaluate callus induction, after surface sterilization of seeds, diploid embryos were isolated and cultured on related media enriched with 1.5, 2, 2.5 and 3 mg l-1 2...

Satureja bachtiarica L, an important medicinal plant from Lamiaceae family is valuable because of its medical compounds. Optimization of in vitro culture through callogenesis is proposed to be an alternative for vegetative propagation. In present study, an efficient protocol has been developed for callus induction of S. bachtiarica using different explants and concentrations of plant growth reg...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1389

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

Journal: :علوم گیاهان زراعی ایران 0
علی اشرف مهرابی دانشکده کشاورزی، دانشگاه ایلام منصور امیدی پردیس کشاورزی و منابع طبیعی دانشگاه تهران بهمن فاضلی نسب دانشکده کشاورزی، دانشگاه ایلام

in this study, responses of four canola genotypes to salt stress in germination test and callus culture stages were investigated. the response of genotypes under salinity levels was significantly different. higher salinity resulted in less germination and growth of seedling. after callus culturing on liquid saline media, callus fresh weight and callus induction efficiency were significantly dif...

Journal: :کشاورزی (منتشر نمی شود) 0
مریم حسینی عضو هیات علمی موسسه تحقیقات برنج کشور، رشت علی اکبر عبادی عضو هیات علمی موسسه تحقیقات برنج کشور، رشت حمید شفیعی ثابت کارشناس موسسه تحقیقات برنج کشور، رشت

low efficiency of callus induction and green-plant regeneration have limited the application of anther culture in breeding programs. this study was conducted to determine the inheritance of callus induction and plant regeneration in rice (oryza sativa) anther culture. ten genotypes drived from a five-parent diallel mating set contain khazar, sepidrood, hashemi, alikazemi and nematt were evaluat...

ژورنال: علوم آب و خاک 2009
ترابی, آذرخش, جوهرعلی, ابوبکر, سلوکی, محمود, عبادی, علی اکبر, علی زاده یلوجه, خدیجه,

This study was set up in the research station of Rice Research Institute of Iran (RRII) to determine the response of three hetrotic Indica × Indica rice hybrids (Bahar1, IR75221H and IR69688H) to anther culture on four induction media (N6, modified N6, chu and modified chu). To evaluate hybrids, the percentage of calluses which had been made from anthers in early uni- to mid- uninucleate stage ...

ترابی, آذرخش, جوهرعلی, ابوبکر, سلوکی, محمود, عبادی, علی اکبر, علی زاده یلوجه, خدیجه,

This study was set up in the research station of Rice Research Institute of Iran (RRII) to determine the response of three hetrotic Indica × Indica rice hybrids (Bahar1, IR75221H and IR69688H) to anther culture on four induction media (N6, modified N6, chu and modified chu). To evaluate hybrids, the percentage of calluses which had been made from anthers in early uni- to mid- uninucleate stage ...

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