scholarly journals Effect of Surface Sterilization time and Plant Bioregulators for Callus Formation in Hybrid Lilium Cv. Tresor

2017 ◽  
Vol 14 (2) ◽  
pp. 709-713
Author(s):  
Anchal Arpita Gochhayat ◽  
Sashikala Beura ◽  
Enketeswara Subudhi
Keyword(s):  
Callus Formation ◽  
In Vitro Regeneration ◽  
Cut Flowers ◽  
Surface Sterilization ◽  
Basal Media ◽  
Green Callus ◽  
And Control ◽  
Similar Combination ◽  
Effect Of Surface

ABSTRACT: An efficient protocol was standardized for calli mass formation from bulb scale explant of hybrid Lilium Cv. Tresor under in vitro conditions at Biotechnology-cum-Tissue Culture Centre, OUAT, Bhubaneswar. The bulb scale explants were treated with 0.1 % HgCl2 (3 min, 4min, 5min, 6 min, 7min, 8min and 9 min) and control (without treatment) were cultured on MS media, among the treatments, 5 minutes timing resulted in minimum contamination [fungal % (6.67), bacterial % (6.67)] and maximum survival % (83.33%). The best surface sterilization time was further taken into consideration for treatment of explants, sterilization and cultured in the MS Basal media supplemented with BAP (0.5, 1.0 mg/l) in combination with 2,4-D (0.5,1.0,1.5,2.0, and 2.5 mg/l) and 2,4-D (0.5,1.0,1.5,2.0, and 2.5 mg/l) alone along with control. Basal media supplemented with BAP (1.0 mg/l) and 2,4-D (1.50 mg/l) produced maximum callus % (90.00%) and spread, profuse green callus was also recorded in similar combination which opened prospects for developing an indirect means of in vitro regeneration of hybrid Lilium Cv. Tresor there by strengthening the way biotechnology which could be used for improvement and satiate the national and international demands of this cut flowers.

scholarly journals Sterilization procedure and callus regeneration in black turmeric (Curcuma caesia)

2019 ◽  
Vol 6 (49) ◽  
Author(s):  
A. S. Abubakar ◽  
R. N. Pudake
Keyword(s):  
Acetic Acid ◽  
Callus Induction ◽  
In Vitro Regeneration ◽  
Leaf Explants ◽  
Surface Sterilization ◽  
To Come ◽  
Dichlorophenoxy Acetic Acid ◽  
And Control ◽  
Rhizome Explants

Sterilization procedure, media composition, explants selection and control of physical environment are critical for successful cultures and callus induction with surface sterilization being very challenging in most plants. Five different sterilization methods were evaluated to come up with the best for subsequent use to establish an in vitro regeneration method for the induction of callus in Curcuma caesia using excised leaf and rhizome explants. Murashige and Skoog (MS) media supplemented with various concentration of 2,4-Dichlorophenoxy acetic acid (2,4-D)/Indole-3-acetic acid (IAA) (0.5- 5.0mg/L), singly or in combination with Benzyl aminopurine (BAP)/Kinetin (KIN) (0.1-5.0mg/L), 0.3% sucrose and 0.08% agar were used. The result of the sterilization procedures showed 15% NaHClO3 (5min) + 70% Ethanol (30s) + 0.1% HgCl2 (5min) to be the most effective in controlling contamination in C. caesia among all the treatments tested. The response to callus induction was found to depend on the type of explants used and growth regulators combination. Leaf explants gave the highest percentage of callus induction. Highest percentage of callus induction (66.70%) was obtained in the growth regulator combination of 2, 4-D (0.5mg/L) + BAP (0.1mg/L) and least (14.29%) in IAA (2.0mg/L) + BAP (0.5mg/L). Equal and higher concentration of 2, 4-D + BAP of 5.0mg/L each also provided better result (40.00%). No callus was obtained in all the single concentration of 2, 4-D used.

scholarly journals CLONAL PROPAGATION OF NEEM (Azadirachta indica A. Juss.) VIA DIRECT AND INDIRECT IN VITRO REGENERATION

2015 ◽  
Vol 39 (3) ◽  
pp. 439-445 ◽  
Author(s):  
Laureen Michelle Houllou ◽  
Robson Antônio de Souza ◽  
Elizabete Cristina Pacheco dos Santos ◽  
José Jackson Pereira da Silva ◽  
Marta Ribeiro Barbosa ◽  
...  
Keyword(s):  
Azadirachta Indica ◽  
Callus Formation ◽  
In Vitro Regeneration ◽  
Regenerative Process ◽  
Shoot Tips ◽  
Shoot Tip ◽  
Stem Base ◽  
Different Characteristics

ABSTRACTThe study was conducted with shoot tip explants of neem (Azadirachta indica A. Juss) to identify a viable regenerative process. Shoot tips were obtained from neem embryos cultured alternatingly in DKW medium supplemented with BAP and medium without hormones. Initial shoot development was influenced by cotyledon presence. Basal callus, excised from in vitro stem base, also presented organogenic potential. In some cases, plant lines, obtained from each seed, presented different characteristics. The most common characteristic observed in vitro was callus formation at the stem base. However, the rarest characteristics were stem callus formation and leaf senescence. The regenerated shoot tips were further subculture and rooted on a medium supplemented with IBA so that complete plants could be obtained. The rooted plants were transplanted to a greenhouse and successfully acclimatized. No significant differences in in vivo development were observed between neem plants from callus and from shoot tip propagation.

scholarly journals Comparative analyses of stevioside between fresh leaves and in-vitro derived callus tissue from Stevia rebaudiana Bert. using HPLC

2015 ◽  
Vol 49 (4) ◽  
pp. 199-204 ◽  
Author(s):  
S Mahmud ◽  
S Akter ◽  
IA Jahan ◽  
S Khan ◽  
A Khaleque ◽  
...  
Keyword(s):  
Retention Time ◽  
Callus Tissue ◽  
Callus Formation ◽  
Leaf Explants ◽  
Stevia Rebaudiana ◽  
Poor Performance ◽  
The Other ◽  
Ms Medium ◽  
Green Callus

A protocol was developed to produce large amount of callus in short a period of time from leaf explants of Stevia rebaudiana Bert. The highest amount of white callus was obtained on MS medium supplemented with 2.5 mg/l 2, 4-D and 0.5 mg/l BAP after 3 weeks of inoculating leaf segments. On the other hand, 0.5 mg/l BAP and 1.0 mg/l Kn exhibits poor performance towards callus formation while after using 1.0 mg/l Kn alone did not develop any callus. In this experiment, highest amount of green callus was obtained when MS medium supplemented with 2.5 mg/l NAA and 10% coconut water was used. An improved analytical method HPLC was applied to analyze stevioside extracted from the leaf and callus of Stevia rebaudiana. The stevioside in each sample were analyzed by comparing their retention times with those of the standards. The retention time (RT) of stevioside for leaves were found 14.96 and for callus 13.81 mins. The percentage of stevioside content from leaves and callus was 12.19% and 12.62% respectively DOI: http://dx.doi.org/10.3329/bjsir.v49i4.22621 Bangladesh J. Sci. Ind. Res. 49(4), 199-204, 2014

scholarly journals Essential factors for in vitro regeneration of rose and a protocol for plant regeneration from leaves 

2018 ◽  
Vol 45 (No. 2) ◽  
pp. 83-91
Author(s):  
Anber Mahmoud Ahmed Hassanein ◽  
Inas Mohamed Ali Mahmoud
Keyword(s):  
Indole Acetic Acid ◽  
Culture Medium ◽  
Callus Formation ◽  
In Vitro Regeneration ◽  
Shoot Elongation ◽  
Favorable Effect ◽  
Indole Butyric Acid ◽  
Leaf Discs ◽  
Better Than

In vitro propagation of Rosa hybrida, L. cv. ‘Eiffel Tower’ was improved by the addition of thidiazuron (TDZ) and silver nitrate (AgNo<sub>3</sub>) to the culture medium. The combination of auxin and cytokinins was indispensable for inducing response from leaf discs. Maintaining cultures under dark was better than light for callus formation and quality. The source of explants was vital in the regeneration process wherein situ explants produced callus while, in vitro explants regenerated somatic embryos and shoots. Gibberellic acid (GA<sub>3</sub>) had a favorable effect where in vitro explants showed somatic embryogenesis with no shoots on media containing TDZ however, 37% of explants regenerated shoots directly on medium containing GA<sub>3</sub>. The presence of benzyl adenine (BA) was essential for shoot elongation, and indole butyric acid (IBA) was better than indole acetic acid (IAA) for rooting. The optimum conditions produced rooted plants from leaf discs within ten weeks. The reported results clarify factors controlling in vitro regeneration of R. hybrida, and provide a rapid protocol allowing further improvements of rose. 

scholarly journals In Vitro Mutation of Capsicum annuum L.var. Kulai by Gamma Radiation

2019 ◽  
Vol 8 (4) ◽  
pp. 6934-6938
Keyword(s):  
Seed Germination ◽  
Gamma Radiation ◽  
Capsicum Annuum ◽  
Shoot Regeneration ◽  
Gamma Ray ◽  
Callus Formation ◽  
In Vitro Regeneration ◽  
Germination Rate ◽  
Ms Medium

The present work was carried out to investigate the effects of gamma radiation on regeneration of Capsicum annuum L. var Kulai via in vitro. Seeds of C. annuum were irradiated with various doses of gamma ray (0, 20, 40, 60, 80, 100, 200, 300, 400, 500, and 600 Gy) emitted from the Caesium-137 source at the rate of 4.31 Gy per minute. Irradiated seeds grown on MS medium without hormone for hypocotyl and cotyledon preparation as explant for in vitro regeneration. Seed germination rate revealed significant variation between treatments, and seeds started to germinate between 6 to 17 days. Irradiated seeds between 0-60 Gy were observed to germinate in less than 10 days. All explants including hypocotyl and cotyledon were cultured on MS medium with different concentrations of BAP in combination with AgNO3 to observe the response of these explants to different hormone concentrations. From the observation, calluses were induced in 90% of hypocotyl and cotyledon explants in all treatments. The characteristics of calluses were varied with greenish friable, greenish compact, yellowish watery, yellowish friable and yellowish compact. In other treatments, calluses were found in purple, bright yellow and yellowish orange. On the other hand, shoot regeneration was observed in treatment between 40-100 Gy. In conclusion, gamma radiation gave impact on seed germination, seedling growth performance, in vitro callus formation and shoot regeneration of Capsicum annuum var. Kulai

scholarly journals In vitro multiple shoot regeneration from corm bud explant in ghet kachu, typhonium trilobatum schott - a medicinal aroid

2012 ◽  
Vol 47 (2) ◽  
pp. 211-216
Author(s):  
KK Paul ◽  
MA Bari
Keyword(s):  
Shoot Regeneration ◽  
White Light ◽  
Callus Formation ◽  
In Vitro Regeneration ◽  
Multiple Shoot ◽  
Ms Medium ◽  
Multiple Shoot Regeneration ◽  
Regenerated Plantlets ◽  
Light Green

An efficient in vitro regeneration protocol was developed in medicinal aroid, Ghetkachu (Typhonium trilobatum Schott) using field grown corm bud explant. Highest percentage (75 %) of direct multiple shoot regeneration obtained in MS media supplemented with 5.0 mgL-1BAP + 1.5mg L-1NAA. Callus formation occur (80 %) in MS media containing 0.5mgL-1BAP + 2.0mgL-1NAA. The appearance of calli was white, creamy white light green in colour and the texture of calli were soft, friable and semi hard and compact. Shoot regeneration (85 %) obtained from calli in MS medium having 5.0mgL-1BAP +1.0mgL-1NAA. The regenerated plantlets were successfully acclimatized with loamy fertile soil and survived cent percentage in natural condition.   DOI: http://dx.doi.org/10.3329/bjsir.v47i2.11454   Bangladesh J. Sci. Ind. Res. 47(2), 211-216, 2012  

IN VITRO CULTURE OF WHEAT TISSUES. I. CALLUS FORMATION, ORGAN REDIFFERENTIATION AND SINGLE CELL CULTURE

1969 ◽  
Vol 11 (2) ◽  
pp. 294-304 ◽  
Author(s):  
T. Shimada ◽  
T. Sasakuma ◽  
K. Tsunewaki
Keyword(s):  
Cell Culture ◽  
Growth Factors ◽  
Single Cell ◽  
Common Wheat ◽  
Callus Formation ◽  
Casein Hydrolysate ◽  
Callus Growth ◽  
Callus Cell ◽  
Basal Media

Callus induction, organ formation from callus and single callus cell culture have been tried in wheat. Though kinetin showed no effects, supplements of 2,4-D (1~10mg/1) or IAA (50mg/1) to the basal media induced calluses from seedling roots of einkorn, emmer and common wheats, and from stem pieces of common wheat. The best callus growth was obtained when casein hydrolysate (1g/1) or coconut milk (1%) was added to the basal media. Callus growth was also vigorous when 2,4-D (0.5~2.0mg/1) was added. Root formation from callus took place in all kinds of tested media, except those containing no growth factors or supplemented with 2,4-D at high concentrations (1~5mg/1). Shoot formation occurred in six cases and no growth factors were found to be specifically effective on shoot differentiation. Two plants were restored and reached maturity. Calluses of common wheat consisted of eudiploid and aneuploid cells at almost the same frequencies. The great majority of aneuploid cells had 42 ± 3 chromosomes. The restored plants showed normal chromosome constitution. Single callus-cell suspensions were obtained by the liquid culture of seeds in a shaker. A filtrate of the single cell suspension was plated on a solid agar medium, and some colonies were formed. However, plating efficiency was very low and colony growth was slow.

scholarly journals AgNO3 Promotes Callus Production and Regeneration of Immature Buffalograss Inflorescence Culture

HortScience ◽  
1996 ◽  
Vol 31 (4) ◽  
pp. 631c-631
Author(s):  
Shuizhang Fei ◽  
Paul E. Read ◽  
Terrance P. Riordan
Keyword(s):  
Callus Formation ◽  
In Vitro Regeneration ◽  
Shoot Formation ◽  
Positive Effects ◽  
Friable Embryogenic Callus ◽  
Friable Callus ◽  
Promotive Effect ◽  
Callus Production ◽  
Regeneration Efficiency

The use of buffalograss [Buchloe dactyloides (Nutt.) Engelm] in home lawns and golf courses has been increasing because of its drought resistance and low growth habit. In vitro regeneration of buffalograss at a high frequency may provide an effective tool to introduce new variation for breeding use. The positive effects of AgNO3 on friable embryogenic callus production and regeneration efficiency is well documented in maize. In order to determine if AgNO3 has the same effect on buffalograss, two vegetatively propagated cultivars, a female `609' and a male `45-3' were tested at three different concentrations of AgNO3 at 5, 10, and 15 mg·L–1 using immature inflorescences as explants. Murashige and Skoog medium supplemented with 2 mg 2,4-D/L was employed as the control medium. Medium containing AgNO3 significantly promoted the production of friable callus for `45-3' with the highest percentage achieved at 10 mg AgNO3/L. AgNO3 medium led to production of significantly larger calli than found for the control. However, no difference was detected among 5, 10, and 15 mg AgNO3/L with regard to the callus formation ability and the size of callus initiated on these three treatments. Calli were then transferred to MS medium supplemented with BA at 0.1, 0.5 or 1.0 mg·L–1 to induce shoot formation. BA at 0.5 mg·L–1 gave the best differentiation response. Calli formed in the absence of AgNO3 produced more shoots per callus, but more calli were produced in the presence of AgNO3, and the overall regeneration efficiency was much higher with AgNO3 at 10 mg·L–1. In contrast, AgNO3 showed no promotive effect on callus production and regeneration for `609'.

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