Effects of Plant Growth Regulators and Carbon Sources on Theanine Formation in Callus Cultures of Tea (Camellia sinensis)

1994 ◽  
Vol 58 (8) ◽  
pp. 1519-1521 ◽  
Author(s):  
Takanobu Takihara-Matsuura ◽  
Iwao Sakane ◽  
Takami Kakuda ◽  
Takuya Kitada ◽  
Tatsuyuki Kinoshita ◽  
...  
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Camellia Sinensis ◽  
Growth Regulators ◽  
Carbon Sources ◽  
Callus Cultures

The Effects of Plant Growth Regulators and Culture Conditions on the Growth and the Alkaloid Content of Callus Cultures of Cinchona pubescens

Planta Medica ◽  
1982 ◽  
Vol 46 (09) ◽  
pp. 15-18 ◽  
Author(s):  
Th. Mulder-Krieger ◽  
R. Verpoorte ◽  
Y. de Graaf ◽  
M. van der Kreek ◽  
A. Baerheim-Svendsen
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Callus Cultures ◽  
Culture Conditions ◽  
Alkaloid Content ◽  
Cinchona Pubescens

Production of Isoflavonoids in Callus Cultures of Pueraria candollei var. mirifica

2009 ◽  
Vol 64 (3-4) ◽  
pp. 239-243 ◽  
Author(s):  
Latiporn Udomsuk ◽  
Kanokwan Jarukamjorn ◽  
Hiroyuki Tanaka ◽  
Waraporn Putalun
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Callus Induction ◽  
Culture Medium ◽  
Callus Cultures ◽  
Stem Explants ◽  
Ms Medium ◽  
Shoot Induction ◽  
Pueraria Candollei

Pueraria candollei Wall. ex Benth. var. mirifica (Airy Shaw & Suvat.) Niyomdham was investigated for callus induction using Murashige and Skoog (MS) medium containing different plant growth regulators. After 8 weeks of culture, 66 - 100% of leaf or stem explants formed calli. Calli from stem explants cultured on MS medium supplemented with 0.5 mg/l thidiazuron (TDZ) gave the maximum of shoot induction (16%) and the highest level of total isoflavonoids [(50.39 ± 7.06) mg/g dry wt], which was 7-fold higher than that of the native tuber [(7.04 ± 0.29) mg/g dry wt]. These results suggest that addition of TDZ to the culture medium markedly enhances the production of isoflavonoids in calli induced from stem explants of P. candollei var. mirifica.

Compositional changes in cell wall polysaccharides from apple fruit callus cultures modulated by different plant growth regulators

Plant Science ◽  
2012 ◽  
Vol 185-186 ◽  
pp. 169-175 ◽  
Author(s):  
Paula Alayón-Luaces ◽  
Nora M.A. Ponce ◽  
Luis A. Mroginski ◽  
Carlos A. Stortz ◽  
Gabriel O. Sozzi
Keyword(s):  
Cell Wall ◽  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Callus Cultures ◽  
Apple Fruit ◽  
Cell Wall Polysaccharides ◽  
Compositional Changes

scholarly journals Assessment of Plant Growth Regulators and Carbon Sources on the Germination and Growth Process of Dandelion (Taraxacum officinale G.H. Weber ex Wiggers) under In Vitro Conditions

Horticulturae ◽  
2021 ◽  
Vol 7 (11) ◽  
pp. 486
Author(s):  
María Eugenia Martínez ◽  
Lorena Jorquera ◽  
Paola Poirrier ◽  
Katy Díaz ◽  
Rolando Chamy
Keyword(s):  
Seed Germination ◽  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Carbon Sources ◽  
Optimal Growth ◽  
Taraxacum Officinale ◽  
Naphthaleneacetic Acid ◽  
Low Carbon

There are several studies on the medicinal properties of dandelions (Taraxacum officinale), but few studies are aimed at understanding the in vitro germination process of this plant to improve its propagation. This research was focused on studying in vitro seed germination and development of seedlings under different carbon sources, glucose (GLU) or sucrose (SUC) and its concentrations (1.0–5.5%). Additionally, the effect of supplementation with plant growth regulators (PGRs) was studied, measuring the germination capacity, uncertainty and synchrony. Germination was promoted under low carbon source concentrations (≤2.3%), whereas higher concentrations (≥3.2%) had a detrimental effect on this process. GLU allowed the final germination percentages to be slightly better than SUC. Uniformity and synchrony values improved with the presence of PGRs. Results suggested that the best condition to assess T. officinale seed germination is in a medium containing GLU 2.3%, 0.5 mg/L 1-Naphthaleneacetic acid (NAA) and 0.5 mg/L 6-Benzylaminopurine acid (BAP). After germination, the best condition for optimal growth of T. officinale seedlings was 1.0% SUC supplemented with 0.225 mg/L of NAA and 3.0 mg/L of BAP for initial shoot development. The survival rate was 97% after greenhouse acclimatization. This new method of germination was implemented for the massive propagation of T. officinale for further medicinal studies.

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