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.
Papers published on a yearly basis
Papers
More filters
TL;DR: Six varieties of Vigna mungo and V. radiata have been tested for their morphogenic potential on media containing a range of hormonal combinations including benzyladenine, kinetin, thidiazuron (TDZ), and zeatin to find the most responsive varieties for shoot regneration.
Abstract: Cotyledonary nodes, excised cotyledons, and hypocotyl segments of six varieties ofVigna mungo andV. radiata have been tested for their morphogenic potential on media containing a range of hormonal combinations including benzyladenine, kinetin, thidiazuron (TDZ), and zeatin. Multiple shoots developed on cotyledonary node explants in all varieties tested on basal medium containing cytokinin. Presence of both the cotyledons, either full or half, resulted in a maximum number of shoots produced. Shoot bud regeneration was achieved via meristem formation on excised cotyledons on Murashige-skoog basal medium with B5 vitamins supplemented with TDZ. Mature plants had normal phenotypes.V. mungo var. PS1 andV. radiata var. Pusa 105 were found to be the most responsive varieties for shoot regneration. The histology ofin vitro organogenesis was studied.
34 citations
TL;DR: An efficient and rapid micropropagation system was developed for a food and medicinally important endangered shrub, Decalepis hamiltonii, through shoot multiplication through the influence of zeatin and kinetin and in combination with indole-3-acetic acid, which stimulated in vitro rooting of shoots.
Abstract: An efficient and rapid micropropagation system was developed for a food and medicinally important endangered shrub, Decalepis hamiltonii (‘swallow root’), through shoot multiplication. The influence of 2.5–7.5 μM isopentenyladenine (2iP), 4.4–17.7 μM 6-benzyladenine, 2.3–4.7 μM kinetin, 2.8–6.8 μM thidiazuron, and 2.3–11.4 μM zeatin alone and in combination with 0.3–0.9 μM indole-3-acetic acid (IAA) on in vitro multiple shoot production was studied. The maximum number of multiple shoots (6.5±0.4) was induced from shoot tips cultured on agar-based Murashige and Skoog (MS) medium containing 4.9 μM 2iP. But, both zeatin (9.1 μM) and kinetin (4.7 μM) in combination with IAA (0.6 μM) were able to produce a maximum of 5.0±0.4 and 5.1±0.4 multiple shoots, respectively. Further elongation of shoots and adventitious shoot formation was obtained on medium containing 2.5 μM 2iP and 0.3 μM gibberellic acid. Elongated shoots were separated and rooted on MS medium supplemented with 9.8μM indole-3-butyric acid (IBA) and various phenolic compounds within 5–6 wk. Phloroglucinol and salicylic acid interaction with IBA stimulated in vitro rooting of shoots. Successful field transfer was achieved in rooted plantlets.
34 citations
TL;DR: The results suggest that, under drought stress, seed germination in walnuts can benefit from the accumulation of free Spd in seeds during the phases of germination, however, the collection of free Put appeared to be an inhibitory factor which suppressed the germination of walnut seeds.
34 citations
TL;DR: The range of zeatin glycosides found in crown gall tissue of Vinca rosea L. has been quantified using a mass spectrometric isotope dilution procedure and problems in the quantitative analysis of cytokinins in plant extracts are discussed.
Abstract: The range of zeatin glycosides found in crown gall tissue of Vinca rosea L. has been quantified using a mass spectrometric isotope dilution procedure. Problems in the quantitative analysis of cytokinins in plant extracts are discussed.
34 citations
TL;DR: High yields of mesophyll protoplasts were obtained after treatment of leaves of Trigonella foenumgraecum, a forage legume, with purified cellulase and addition of glutamine and asparagine to the medium was found essential for rapid cell division, callus growth and differentiation.
Abstract: High yields of mesophyll protoplasts were obtained after treatment of leaves of Trigonella foenumgraecum, a forage legume, with purified cellulase. Under appropriate conditions of culture up to 70% plating efficiency could be obtained. The protoplast-derived colonies developed into rapidly growing green calli and produced leafy shoots on a medium containing 0.1 mg/l each of benzylaminopurine (BAP) and zeatin. Addition of glutamine and asparagine to the medium was found essential for rapid cell division, callus growth and differentiation.
34 citations