نتایج جستجو برای: low efficiency of callus induction and green
تعداد نتایج: 24135046 فیلتر نتایج به سال:
the present investigation was conducted to study the effects of type and concentration of auxin and cytokinin on callus induction of three strawberry (kurdistan, parose and camarosa) cultivars. for this purpose, leaf blade, nodal, petiole, receptacle, stamen and flower bud explants were cultured on murashige and skoog (ms) medium at three separate experiments included 2, 4 dichlorophenoxyacetic...
in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...
optimization of callus induction and micropropagation of four varieties of grape (vitis vinifera l.)
background and objectives: grape has high nutritional value and it is an economically important horticultural plant in the world. iran has seventh producer grape rank in the world. today tissue culture is one of technique which can be used in grape propagation and breeding. material and method: in order to optimization of callus induction and micropropagation of grape in vitro condition, this i...
in the present study, an efficient protocol has been developed for callus induction and production of ra in callus culture of satureja khuzistanica for the first time. in vitro callus induction was achieved from young shoot tip explants cultured on ms and b5 media supplemented with different concentrations of iba (0.1, 1.0, 2.0 and 5.0 mgl-1) solely or in combination with cytokinins bap and kin...
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...
Stevia rebaudiana Bert (Asteraceae) is herbaceous plant with sweet leaves, which are the source of sweetener products. The present study focuses on effects of different combination of plant growth regulators on callus induction, callus cell growth and regeneration and volatile constituents from callus of stevia in tissue culture condition. The results of present study showed callus formation p...
Abstract—Stevia rebaudiana Bertoni (natural sweetener) belongs to Asteraceae family and can be used as substitute of artificial sweeteners for diabetic patients. Conventionally, it is cultivated by seeds or stem cutting, but seed viability rate is poor. A protocol for callus induction and multiplication was developed to produce large no. of calli in short period. Surface sterilized nodal, leaf ...
Optimization of regeneration methods in cotton is necessary to improve and Successful production of transgenic cotton cultivars by tissue culture technique. This study was conducted to determine the genotypic effect on callus induction in cotton using 3 genotypes (Coker349, 4-S-4 and C1211) and Coker 312 selected and a study was carried out in Cotton Research Institute of Gorgan using a factori...
Cumin (Cuminum cyminum L.) as a member of the Apiaceae family is one of the most important medicinal plants in Iran. The purpose of this study is to evaluate the effect of plant growth regulators and explant type on callus induction in cumin. For this purpose the cumin seeds (Kuhbanan accession) were disinfected with sodium hypochlorite and alcohol and cultured on MS basal medium. Leaf and hypo...
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