نتایج جستجو برای: three concentrations of different cytokinins tdz
تعداد نتایج: 21252935 فیلتر نتایج به سال:
postharvest senescence is a major factor, limiting the marketing of many species of cut flowers, including roses. considerable efforts have been devoted to developing postharvest treatments to lengthen the extend of the marketing period. the purpose of this study was to determine the most suitable nitric oxide, and thidiazuron concentrations to increase the antioxidant activity as well as prote...
the main purpose of this study was to investigate any relationship between high school efl teachers metaphorical understandings of their role in class and their self-efficacy beliefs. teachers metaphors were elicited through two different prompts: one picturing what they believed a language teacher should be like in class, and the other demonstrating what they are actually like in class; such...
increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...
this thesis is an evaluation of poetry of sylvia plath (1932- 1963) and forough farrokhzad (1935-1967) using feminist approach and finds the positive concepts of hope, reason and strength through feminine images in their poetry. plath and farrokhzad are from different cultures and different countries but they share the same concepts and themes in their poetry. by applying feminist theory to the...
the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...
lilium ledebourii (baker) boiss. (liliaceae) is a critically endangered lily species native tonorthern iran, where it is protected by law. in order to develop a cost effective method for largescalepropagation, the effects of three culture systems (solid, liquid and temporary immersion)and two types of cytokinins [6-benzyladenine (ba) and thidiazuron (tdz)] were studied onthe in vitro plant rege...
abstract: postmethod is a newly developed pedagogy which as an alternative to method rejects the notion of good or bad methods and the concept of best method that can be generalized and appropriate for all contexts. instead, it treats each context as unique and one of a kind which cant be compared with other cases. this study is a postmethod-oriented one which investigates whether and how far t...
Apical meristems, first, second and third-fourth axillary buds of Ludwigia repens were cultured on Murashige and Skoog (MS) medium containing various concentrations of 6-benzylaminopurine (BAP), thidiazuron (TDZ) and αnaphthaleneacetic acid (NAA) for micropropagation. Micropropagation was best achieved from apical meristem on MS medium containing 0.05 mg dm TDZ and 0.1 mg dm NAA. It was noted t...
This study was conducted to investigate the effect of treatment conditions plant growth regulators on marketability ‘Red Dream’, a triploid grape. In order achieve purpose this study, gibberellic acid 3 (GA3) 100 ppm single use group set as control group. addition, fruit characteristics expressed when cytokinins such thidiazuron (TDZ) or forchlorfenuron (CPPU) 2.5 5.0 mixed with GA3 were compar...
Melia volkensii Gurke is a drought-tolerant tree native to East Africa's arid and semiarid lands (ASALs), with vast but underutilized potential for agroforestry and sustainable livelihoods in the ASALs. Its cultivation is limited by difficulties in propagation via conventional means. Full exploitation of the ability of thidiazuron (TDZ) to elicit regeneration in plant tissue cultures, as sole p...
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