Topic
Zeatin
About: Zeatin is a research topic. Over the lifetime, 2467 publications have been published within this topic receiving 64092 citations. The topic is also known as: Zeatin & (E/Z)-zeatin.
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TL;DR: Hypocotyl and cotyledon expiants of four cultivars of leaf-mustard cabbage were cultured in vitro on Murashige and Skoog medium and complete plantlet formation was obtained after 20–30 days of culturing on media supplemented with combinations of NAA and Kinetin.
12 citations
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TL;DR: Zeatin at the lowest concentration provided the best results for shoot proliferation of all 26 treatments and can be recommended for micropropagation of D. intermedia.
Abstract: This study was aimed to optimize in vitro propagation of Drosera intermedia for commercial and conservation purposes. The effect of concentration of MS nutrients (⅛ MS, ¼ MS, ½ MS and, MS), various pH (3.7-7.7), sucrose concentration (10-40 g l -1 ) and cytokinins (0.1-3 mg l -1 ), namely BA (N6-benzyladenine), kinetin and zeatin were evaluated. After 60 days of shoot cultivation, growth and developmental characteristics (plant height, number of shoots per explant, diameter of rosette, number of roots per explant, length of roots) were recorded. No significant differences were found for various levels of pH and sucrose. On the contrary, plant height was negatively influenced by an increase of nutrients in the medium. The plants on 1/8 MS medium were significantly taller, and displayed higher proliferation capacity compared with those cultivated on full-strength MS medium. Shoot multiplication and growth was suppressed by supplementation of BA and kinetin, regardless of concentration used. Zeatin at the lowest concentration (0.1 mg l -1 ) provided the best results for shoot proliferation of all 26 treatments and can be recommended for micropropagation of D. intermedia.
12 citations
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TL;DR: Using this system it was possible to propagate different larchspecies (Larix decidua, L. gmelinii and L. sukaczewii f. multiramosus) continuously.
Abstract: A continuous propagation of juvenile larch in vitro was based on adventitious bud formation and different cytokinin combinations were tested concerning their effectiveness to induce elongation of adventitious buds. Zeatin (1.5 mg dm-3) combined with kinetin (0.15 mg dm-3) was found to be the best. Development and elongation of buds was achieved on a modified LP-medium. Using this system it was possible to propagate different larchspecies (Larix decidua, L. gmelinii and L. sukaczewii f. multiramosus) continuously. Shoots were successfully rooted and transferred to the soil.
12 citations
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TL;DR: The overall effect of the chemicals in retarding the induced senescence of the leaves was benzyladenine>kinetin= benzimidazole>zeatin.
12 citations
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TL;DR: Purified extracts of developing fruits of “Shamouti’ orange, derived from leafy and leafless inflorescences, showed two paper chromatographic zones of cytokinin activity by the Amaranthus bioassay, which appeared to be relatively higher in fruit from the leafy than in Fruit from the Leafless inflorescence type.
12 citations