نتایج جستجو برای: shoot apex explants were prepared from 4
تعداد نتایج: 7600187 فیلتر نتایج به سال:
the growing demand for animal products has made importance of the utilization of biotechnological techniques in improvement of forage crops such as sainfoin. in this research, the effects of different levels of auxin (naa and iba) and cytokinin (bap, zeatin and tdz) on in vitro growth response of shoot apex explants of shahrkord and khansar cultivars of sainfoin were investigated. for this, sho...
Agrobacterium-mediated transformation of indica rice has been established in only a limited number of cultivars because the regeneration of plants from transformed embryogenic calli is highly cultivar-specific. Establishment of a highly efficient plant regeneration system from shoot apex explants applicable to many cultivars of indica rice will accelerate the application of transformation techn...
the influence of explant nodal positions on the in vitro shoot growth and proliferation were studied in the two rose cvs. ‘bianca’ and ‘el torro’. third, fourth and fifth nodal explants were cultured on the modified ms medium supplemented with 1.0 and 5.0 mg/l ba. in both the cultivars, higher rate of proliferation (‘bianca’ 3.75; ‘el torro’ 2.65) were obtained from the explants distal to the a...
The influence of explant nodal positions on the in vitro shoot growth and proliferation were studied in the two rose cvs. ‘Bianca’ and ‘El Torro’. Third, fourth and fifth nodal explants were cultured on the modified MS medium supplemented with 1.0 and 5.0 mg/l BA. In both the cultivars, higher rate of proliferation (‘Bianca’ 3.75; ‘El Torro’ 2.65) were obtained from the explants distal to the a...
Ultrasound has multiple industrial, medical and biotechnological applications. Ultrasound increases membrane permeability and causes several biological effects in plant cells. In this research, the effects of ultrasound on survival and growth of the sainfoin shoot apex explants were investigated. For this, shoot apex explants were exposed to ultrasonic waves (Frequency 37 kHz) for 0, 20, 30, 40...
Optimizing regeneration of cotton plant in two variety (Sahel and Varamin) via shoot apex was done in order to Agrobacterium-mediated transformation. In this reaserch shoot apexes of two varieties were isolated from four or five day seedling and were placed on a special medium of shooting (modified MS without hormon).In order to select the best rooting media, The Statistical Analysis explants t...
Optimizing regeneration of cotton plant in two variety (Sahel and Varamin) via shoot apex was done in order to Agrobacterium-mediated transformation. In this reaserch shoot apexes of two varieties were isolated from four or five day seedling and were placed on a special medium of shooting (modified MS without hormon).In order to select the best rooting media, The Statistical Analysis explants t...
Effects of different concentrations of IAA (0, 0.3, 0.6 mg/l) and 2ip (0, 0.3, 0.6, 0.9, 1.2 mg/l) and their combinations on callus induction and shoot regeneration of hypocotyl and its thin cell layer (TCL) explants in tomato was studied. Explants were prepared from hypocotyls of seedlings in the aseptic condition. Hypocotyl segments were more efficient than TCL explants for callus induction a...
Cotton (Gossypium spp.) belonging to the genus Gossypium in the family Malvaceae. Cotton is an important fibre crop of global importance. It is grown in tropical and subtropical regions of more than 80 countries with an annual production of 20 million tonnes. It is an important source of oil and high quality protein meal and plays a significant role in the national economy. Among the cotton pro...
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