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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01 Jan 2012
TL;DR: It was suggested that high zeatin and GA3 concentrations in pods could be detected as biochemical markers to determine resistance to ascochyta blight of chickpea genotypes since the genotypic effect was statistically significant only for zeatIn andGA3.
Abstract: Ascochyta blight, caused by Ascochyta rabiei (Pass.) Labr., is the most important foliar disease of chickpea (Cicer arietinum L.) in many countries. Many studies have been carried out on basis of population biology and host-plant resistance of A. rabiei, but the effect of endogenous plant hormone levels on resistance to ascochyta blight of chickpea has been studied rarely. Therefore, the study was designed to compare endogenous plant hormone levels in ascochyta blight susceptible and resistant chickpea genotypes under ascochyta blight infected conditions. ILC 263, (susceptible to ascochyta blight), FLIP 95-60C and FLIP 98-224C (resistant to ascochyta blight) were used to determine the level of plant hormones; indole-3-acetic acid (IAA), zeatin, gibberellic acid 3 (GA3), and abscisic acid (ABA). Concentrations of IAA, zeatin, GA3 and ABA were markedly increased in pods of resistant genotypes, FLIP 95-60C and FLIP 98-224C. It was suggested that high zeatin and GA3 concentrations in pods could be detected as biochemical markers to determine resistance to ascochyta blight of chickpea genotypes since the genotypic effect was statistically significant only for zeatin and GA3. Considering the statistically significant genotypic effects only for zeatin and GA3, these hormones may be used as biochemical markers to determine resistance to ascochyta blight of chickpea genotypes.
2 citations
TL;DR: In this paper , the authors used degradome sequencing to identify 81 target genes belonging to 22 families and 60 novel miRNAs were found to be differentially expressed in GL-3 apple cuttings.
2 citations
01 Jan 2008
TL;DR: The plant regeneration system from leaf explants of Diospyros lotus L. was developed successfully and established a foundation for transformation, and the rooting percentage, average roots number and length per shoot reached up to 100%, 5.4 and 3.7 centimeter respectively.
Abstract: 【Objective】This research aims at developing a plant regeneration system from leaf explants of Diospyros Lotus L. thereby establish a foundation for transformation.【Method】Used tissue culture technique, the conditions for plant regeneration from leaf explants of Diospyros Lotus L. such as leaf segment, inoculate method, basal medium, plant growth regulator and dark period were investigated.【Result】The low segment of leaf with the adaxial surface downwards inoculated on 1/2MS medium containing 0.01 mg·L-1 indole-3-butyric acid(IBA) and 5.0 mg·L-1 zeatin, dark incubated for the first 5 weeks and then transferred to light was the most optimum for shoot regeneration and the shoot percentage and average shoots number per explant were 85.3% and 2.8±0.6 respectively. Regenerated shoots were cut and transferred to 1/2MS medium without any plant growth regulator for rooting. After cultured for one month, the rooting percentage, average roots number and length per shoot reached up to 100%, 5.4 and 3.7 centimeter respectively. After rooting, the regenerated plants were transplant in pots where 98.5% plants survived after one month.【Conclusion】The plant regeneration system from leaf explants of Diospyros lotus L. was developed successfully.
2 citations
TL;DR: It is suggested that the ease with which cytokinins are lost or redistributed during centrifugation is tied to the localization of the particular compounds in the stem tissue.
2 citations
01 Jan 2000
2 citations