نتایج جستجو برای: number of shoots
تعداد نتایج: 21178113 فیلتر نتایج به سال:
greenhouse studies showed in the transplant of tomato that two weeks before infection with nematodes with two species of mycorrhizal g. mosseae and g. intraradices had been inoculated, were significantly offseted the reduction of growth that had been done by nematodes. it should be noted that the percentage of root colonization with two species 66.3% and 62.2% respectively and based on this stu...
basil (ocimum basilicum) is an herb belongs to lamiaceae family. the essential oil of basil is widely utilized as an aromatic agent in the food, pharmaceutical and perfumery industries. basil essential oil possesses antimicrobial property. due to high economical value and high demand, basil production in greenhouse for permanent market selling is expanding. in order to the investigation of the ...
an in vitro plant regeneration protocol was successfully established in aphyllorchis montana , a saprophytic achlorophyllous orchid by culturing immature seeds. among the six basal media evaluated for seed germination, bm-tm medium was found to be the best followed by kc medium. after 40 days, all the media turned brown and the growths of the protocorms were arrested. activated charcoal, 1 g/l ...
The influence of two carbon sources, sorbitol and sucrose on In vitro shoot proliferation and rooting of peach rootstock GF 677 was compared at 15, 30, 45 and 60 g l concentrations. The highest number of shoots per proliferated explant, usable shoots and shoots having maximum fresh weight were obtained on sorbitol at 30 g l. GF 677 does not seem to be an efficient utilizer of sucrose for In vit...
background & aim: effects of ultra violet spectrum on plants due to their obligatory requirement for sunlight for survival are unavoidable. direct effects of uv on plant growth and development are generally negative and usually they use many different defense mechanisms to acclimate and protect themselves. material & methods: the present research for the first time was conducted to inv...
An efficient in vitro plant regeneration protocol was developed for Chrysanthemum morifolium, an ornamental plant. Nodal segments were used as explants in the present experiment. The explants were cultured onto Murashige & Skoog’s (MS) nutrient medium containing plant growth regulators (cytokinins or auxins) with various combinations and concentrations for the study. Maximum percentage (93.33%)...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
Effects of relative shoot height and irradiance on shoot and leaf properties of Quercus serrata Thunb. saplings growing in the understory and in gaps were investigated. Photosynthetic photon flux (PPF) at the location of the shoot relative to that in the open (relative PPF; rPPF) and the height of the shoot base relative to tree height (relative height; rHeight) were measured for all current-ye...
A protocol for rapid multiplication of Adhatoda vasica has been developed through nodal explants from field grown mature plants. The maximum number of shoots, i.e., 7.75 +/- 0.392 differentiated from split nodal halves on MS medium supplemented with BA (10.0 mg/l) during 4 weeks of culture. Maximum number of shoots formed per explant increased to ca. 30 within 6 weeks of subculture on medium co...
In vitro budinduction and shoot regeneration of Lantana camara L. was investigated using axillary nodal explants. Multiple shoot buds were induced on Murashige and Skoog (MS) media supplemented with 0, 2, 4 and 8 mg/l of 6-benzylaminopurine (BAP) or thidiazuron (TDZ) for proliferation and 0, 0.25 and 0.5 mg/l indole-3 butyric acid (IBA) for rooting. After 4 weeks, a maximum number of shoot buds...
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