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Haque, Muhammad Shahidul; Wada, Tomikichi; Hattori, Katsumi

doi:10.1023/a:1005973929862

Cited by 34 publications

(3 citation statements)

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“…In line with the reports of Haque et al (1997) and Zheng et al (1998), we observed that 2,4-D was more effective than picloram in callus induction and plant regeneration regardless of explant type. These results confirmed previous results obtained from a preliminary experiment with cultivars Españ ol Selecció n Ascasubi and I50, where the best callus induction was obtained in BDS medium with 0.45 lM 2,4-D and 4.43 lM BAP (data not shown).…”

supporting

confidence: 93%

“…According to these reports, the most important factors affecting plant regeneration are the explant type, the physiological condition of the explant, the genotype and the growth regulator combination used in the culture medium. In this sense, for Allium species with asexual seed formation like garlic, immature umbels, bulblets and root fragments or root-tips are used with the objective of preserving parental genotypes for further use in breeding programs (Phillips and Hubstenberger 1987;Shahin and Kaneko 1986;Haque et al 1997;Myers and Simon 1998;Barandian et al, 1999a, b, c;Robledo-Paz et al 2000). Besides, callus differentiation and plant development are determined by growth regulators.…”

mentioning

confidence: 99%

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Effects of explants and growth regulators in garlic callus formation and plant regeneration

Luciani

Mary

Pellegrini

et al. 2006

Plant Cell Tiss Organ Cult

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We intended to evaluate the effects of different explants and growth regulators on callus induction and plant regeneration in garlic (Allium sativum L.). Furthermore, we intended to differentiate among different morphological types of callus by light microscopy and to relate them with their abilities to regenerate plants in the redgarlic cultivar 069. A factorial design with BDS-basal Dunstan and Short (1977)-medium, as a control and supplemented with 0.042, 0.42 and 4.24 lM picloram or with 0.045, 0.45 and 4.5 lM 2,4-D, in both cases with and without 4.43 lM N 6 -benzylaminopurine (BAP), was used. The cultures were grown in darkness at 25 ± 2°C and they were subcultured over a 6-month period. Basal plates and meristems were highly responsive explants, while immature umbels and roottips were less responsive ones, as indicated by percentage of induced callus, growing callus and regenerating callus. The best response was 41% regenerating callus with 0.045 lM 2,4-D and BAP

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supporting

confidence: 93%

mentioning

confidence: 99%

Effects of explants and growth regulators in garlic callus formation and plant regeneration

Luciani

Mary

Pellegrini

et al. 2006

Plant Cell Tiss Organ Cult

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“…This result can be explained by the large amount of lateral roots produced, which increased the weight of the fresh mass, however it restricted the elongation of the roots. The result of the present study was similar to that found by Gatita and Almeida (2003) and by Haque et al (1997), which promoted the development of root length in tomato and garlic seedlings respectively.…”

Section: Plant Developmentsupporting

confidence: 92%

Plant Growth Regulators in the in Vitro Cultivation of Acmella oleracea (L.)

Lima

Silva

Cruz

et al. 2020

JAS

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Acmella oleracea is a tropical plant, typical of the northern region of Brazil. The species belongs to the Asteraceae family and has great therapeutic, pharmacological and industrial potential. A limiting factor for the production of this species on a large scale is the short life cycle. The tissue culture programs use synthetic hormones based on cytokinins, such as kinetin and benzylaminopurine (BAP) and auxins such as naphthalene acetic acid (ANA). The objective of this research was to evaluate the effect of growth regulators on the production of Acmella oleracea "in vitro". The experimental test was carried out with control (C), without the addition of growth regulators and five treatments, composed of: (T1) 0.1; (T2) 0.3; (T3) 0.5 mg L-1 kinetin; (T4) 0.1 mg L-1 of BAP and ANA; (T5) 0.5 mg L-1 of BAP and ANA. The experimental design was a completely randomized block in a factorial arrangement with six treatments, three blocks and twenty-five repetitions per block. The evaluated parameters were: germination, root formation, aerial part length, root length, aerial part fresh mass and root fresh mass, aerial part dry mass and root dry mass. The data obtained were subjected to analysis of variance (p <0.05) and compared using the Tukey test. The results showed that kinetin positively contributed to seed germination and aerial part dry mass development. Treatment 1 had the best results for the parameters root length, shoot length and root dry mass.

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Morphoregulatory effect of plant growth regulators on Hypericum perforatum L. Seedlings

Čellárová

Kimáková

1999

Acta Biotechnologica

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The morphogenetic response of Hypericum perforaturn seedlings to different auxin and cytokinin concentrations was studied. A stimulation of the concentration-dependent rooting ability was observed under the influence of indole-3-acetic acid and indole-3-butyric acid. Rooting was not enhanced by the effects of 2,4-dichlorophenoxyacetic acid and 1 -naphtaleneacetic acid. Differentiated roots were isolated and cultured in liquid media with the same combination of growth-promoting auxins. Chromosome counts in root tip cells after long-term cultivation indicated a high degree of chromosomal instability. Multiple shoot formation occurred under the influence of 6-benzylaminopurine and kinetin. Adenine and 6-(y,y-dimethylallylamino)-purine did not stimulate shoot differentiation. No differences in the morphogenetic response to auxins and cytokinins were detected between diploid and tetraploid plants.

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Cited by 34 publications

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Effects of explants and growth regulators in garlic callus formation and plant regeneration

Effects of explants and growth regulators in garlic callus formation and plant regeneration

Plant Growth Regulators in the in Vitro Cultivation of Acmella oleracea (L.)

Morphoregulatory effect of plant growth regulators on Hypericum perforatum L. Seedlings

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