scholarly journals In vitro study of Tinospora cordifolia (Willd.) Miers (Menispermaceae)

2010 ◽  
Vol 6 ◽  
pp. 103-105 ◽  
Author(s):  
Aditi Singh ◽  
Saroj K Sah ◽  
Aunji Pradhan ◽  
Sabari Rajbahak ◽  
Niran Maharajan

In vitro study was carried out in an important medicinal plant Tinospora cordifolia (Willd.) Miers belonging to the family: Menispermaceae. Vegetative parts such as stem, leaf and nodal explants were excised from an elite in vivo grown mature plant and thereafter cultured on Murashige-Skoog (MS) medium supplemented with different hormonal concentrations for callus induction and organogenesis. Callus formation occurred from nodal segments, leaf and inter-node explants when planted on different combinations of hormones. Tinospora cordifolia showed response for in vitro shoot growth from the nodal segment. The best shoot growth was observed on MS medium supplemented with kinetin (1.5 mg/l). Similarly, the best result for root induction was obtained on MS medium supplemented with 6-benzylaminopurine (1.0 mg/l) and naphthaleneacetic acid (2.5 mg/l). Key-words: callus induction; explants; medicinal plant; MS medium; tissue culture.DOI: 10.3126/botor.v6i0.2918 Botanica Orientalis - Journal of Plant Science (2009) 6: 103-105

Author(s):  
Mohsina Syedy ◽  
Krishnendra Singh Nama

Objective: The objective of this research was to establish and develop a protocol for the mass multiplication and callus induction of an anti-Diabetic plant-G. sylvestre R. Br.Methods: Sterilized explants (Nodal segment and leaf) were used for the initiation of culture. They were cultured on MS medium supplemented with a variety of PGRs (BAP, Kn, IBA, 2,4-D) individually or in combinations.Results: The induction of multiple shoots from nodal segments were highest in MS medium supplemented with 2.0 mg/l Kn and in BAP Maximum shoots were obtained on MS medium fortified with 1 mg/l BAP. For rooting different concentration of IBA were used and highest rooting was recorded on MS medium supplemented with 2.0 mg/l IBA. The rooted Plantlets were hardened initially in culture room conditions and then transferred to mist house. Leaf petiole explants were used for the purpose of callus induction. Best growth was observed in MS medium supplemented with 2,4-D. 1.0 mg/l 2,4-D+0.5 mg/l BAP, 1.0 mg/l 2,4-D+1.5 mg/l Kn.Conclusion: The results obtained in this research work clearly indicated that Kn is a better choice than BAP for the culture initiation. 2 mg/l IBA was proved best for root induction. For callus induction, 1 mg/l 2,4-D gave good results and when callus was sub-cultured on 2,4-D with BAP or Kn then 1.0 mg/l 2, 4-D+1.5 mg/l Kn proved best for mass propagation of callus.


1970 ◽  
Vol 44 (4) ◽  
pp. 415-420 ◽  
Author(s):  
Ranjoy Das ◽  
M Faruk Hasan ◽  
Harunar Rashid ◽  
Motiur Rahman

This study reports on an improved protocol for callus induction and subsequent regeneration from nodal segment of wood apple (Aegle marmelos L.) Creamish friable competent callus was achieved from nodal segments on MS medium augmented with 4.0 mg1-1 2,4-D within two weeks of inoculation. The callus produced large number of shoots when cultured on MS medium fortified with 2.0 mgl-1 BAP+0.1 mgl-1 NAA within ten days of culture. In vitro raised shoots were rooted on half strength MS medium enriched with 1.0 mgl-1 IBA within fifteen days of culture. The rooted plantlets were successfully established with 80% survival. Key words: Plant regeneration; Callus induction; Nodal explant; Aegle marmelos. DOI: 10.3329/bjsir.v44i4.4590 Bangladesh J. Sci. Ind. Res. 44(4), 415-420, 2009


2021 ◽  
Vol 12 ◽  
Author(s):  
Denis Okello ◽  
Sungyu Yang ◽  
Richard Komakech ◽  
Yuseong Chung ◽  
Endang Rahmat ◽  
...  

The medicinal plant, Aspilia africana, has been traditionally used in several African countries to treat many diseases such as tuberculosis, cough, inflammation, malaria, osteoporosis, and diabetes. In this study, we developed a protocol for in vitro propagation of A. africana using indirect shoot organogenesis from leaf and root explants of in vitro-grown seedlings and assessed the tissues at different developmental stages. The highest callus induction (91.9 ± 2.96%) from leaf explants was in the Murashige and Skoog (MS) medium augmented with 1.0 mg/L 6-Benzylaminopurine (BAP) and 1.0 mg/L 2,4-dichlorophenoxyacetic acid (2,4-D) while from root explants, the highest callus induction (92.6 ± 2.80%) was in the same plant tissue culture medium augmented with 0.5 mg/L BAP and 1.0 mg/L 2,4-D. The best shoot regeneration capacity from leaf-derived calli (i.e., 80.0 ± 6.23% regeneration percentage and 12.0 ± 6.23 shoots per callus) was obtained in medium augmented with 1.0 mg/L BAP and 0.05 mg/L α-Naphthaleneacetic acid (NAA); the best regeneration capacity for root-derived calli (i.e., 86.7 ± 6.24% shoot regeneration percentage and 14.7 ± 1.11 shoots per callus) was obtained in the MS medium augmented with 1.0 mg/L BAP, 0.05 mg/L NAA, and 0.1 mg/L Thidiazuron (TDZ). Regenerated plantlets developed a robust root system in 1/2 MS medium augmented with 0.1 mg/L NAA and had a survival rate of 93.6% at acclimatization. The in vitro regenerated stem tissue was fully differentiated, while the young leaf tissue consisted of largely unorganized and poorly differentiated cells with large intercellular airspaces typical of in vitro leaf tissues. Our study established a protocol for the indirect regeneration of A. africana and offers a basis for its domestication, large-scale multiplication, and germplasm preservation. To the best of our knowledge, this is the first study to develop an indirect regeneration protocol for A. africana and conduct anatomical assessment through the different stages of development from callus to a fully developed plantlet.


1970 ◽  
Vol 18 ◽  
pp. 140-145 ◽  
Author(s):  
Md Abu Hena Mostofa Jamal ◽  
ANM Rubaiyath-Bin Rahman ◽  
Dipak Kumar Paul ◽  
Md Rezuanul Islam

Context: It is necessary to focus on the importance of adopting micropropagation technique for mass propagation of the plantlets in commercial scale as well as conservation and distribution of germplasm. Objective: The present investigation has been designed with a view to establishing protocol of in vitro regeneration of medicinal plant species i,e., Vitex nigundo L (Verbenaceae). Materials and Methods: Shoot tips and nodal segments were used for multiple shoot induction. All explants were cultured on MS medium supplemented with various plant growth regulators. HgCl2 was used as surface sterilizing agent. For in vitro rooting, individual shoots (3-4 cm) were cut from the proliferated shoot cultures and implanted on half and full strength of MS with different concentrations and combinations of NAA and IAA. The cultures were incubated for 16 h photoperiod at 25 ± 2ºC under a fluorescent light. Visual observation of culture was made every week. Data on shoot induction and proliferation and root induction were recorded after three weeks of inoculation and used for calculation. For each treatment 15 explants were used and all the treatments were repeated thrice. Established plantlets were transplanted in earthen pots under natural conditions and the survival rate was recorded. Results: The most effective surface sterilization treatment has been found 0.1 % HgCl2 for 7 minutes. Highest number of shoot was observed in MS medium supplemented with 3.0 mg/ BAP. It was rooted well in full MS containing 2.0 mg/l IAA. The survival rate was 85 % and propagated plantlets were successfully acclimatized in soil. Conclusion: It was observed that shoot tips are more responsive for micropropagation of Vitex nigundo L . Thus the fruitful utilization of rapid clonal propagation, germplasm conservation and distribution of Vitex nigundo, important medicinal plant of Bangladesh, is possible. Keywords: Vitex nigundo; Medicinal plant; Shoot induction; Micropropagation; Regeneration. DOI: http://dx.doi.org/10.3329/jbs.v18i0.8790 JBS 2010; 18(0): 140-145


Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3229
Author(s):  
Mat Yunus Najhah ◽  
Hawa Z. E. Jaafar ◽  
Jaafar Juju Nakasha ◽  
Mansor Hakiman

This study aims to investigate whether the in vitro-cultured L. pumila var. alata has higher antioxidant activity than its wild plant. An 8-week-old L. pumila var. alata nodal segment and leaf explants were cultured onto Murashige and Skoog (MS) medium supplemented with various cytokinins (zeatin, kinetin, and 6-benzylaminopurine (BAP)) for shoot multiplication and auxins (2,4-dichlorophenoxyacetic acid (2,4-D) and picloram) for callus induction, respectively. The results showed that 2 mg/L zeatin produced the optimal results for shoot and leaf development, and 0.5 mg/L 2,4-D produced the highest callus induction results (60%). After this, 0.5 mg/L 2,4-D was combined with 0.25 mg/L cytokinins and supplemented to the MS medium. The optimal results for callus induction (100%) with yellowish to greenish and compact texture were obtained using 0.5 mg/L 2,4-D combined with 0.25 mg/L zeatin. Leaves obtained from in vitro plantlets and wild plants as well as callus were extracted and analyzed for their antioxidant activities (DPPH and FRAP methods) and polyphenolic properties (total flavonoid and total phenolic content). When compared with leaf extracts of in vitro plantlets and wild plants of L. pumila var. alata, the callus extract displayed significantly higher antioxidant activities and total phenolic and flavonoid content. Hence, callus culture potentially can be adapted for antioxidant and polyphenolic production to satisfy pharmaceutical and nutraceutical needs while conserving wild L. pumila var. alata.


2018 ◽  
Vol 77 (1) ◽  
pp. 80-87 ◽  
Author(s):  
Mahipal S. Shekhawat ◽  
M. Manokari

AbstractHybanthus enneaspermusis a rare medicinal plant. We defined a protocol for micropropagation,ex vitrorooting of cloned shoots and their acclimatization. Surface-sterilized nodal segments were cultured on Murashige and Skoog (MS) medium with different concentrations of 6-benzylaminopurine (BAP) and kinetin (Kin). Medium supplemented with 1.5 mg L−1BAP was found optimum for shoot induction from the explants and 6.4±0.69 shoots were regenerated from each node with 97% response. Shoots were further proliferated maximally (228±10.3 shoots per culture bottle with 7.5±0.43 cm length) on MS medium augmented with 1.0 mg L−1each of BAP and Kin within 4–5 weeks. The shoots were rootedin vitroon half strength MS medium containing 2.0 mg L−1indole-3 butyric acid (IBA). The cloned shoots were pulse-treated with 300 mg L–1 of IBA and cultured on soilrite® in a greenhouse. About 96% of the IBA-pulsed shoots rootedex vitroin soilrite®, each shoot producing 12.5±0.54 roots with 5.1±0.62 cm length. Theex vitrorooted plantlets showed a better rate of survival (92%) in a field study thanin vitrorooted plantlets (86%). A comparative foliar micromorphological study ofH. enneaspermuswas conducted to understand the micromorphological changes during plant developmental processes fromin vitrotoin vivoconditions in terms of variations in stomata, vein structures and spacing, and trichomes. This is the first report onex vitrorooting inH. enneaspermusand the protocol can be exploited for conservation and large-scale propagation of this rare and medicinally important plant.


2018 ◽  
Vol 53 (2) ◽  
pp. 133-138 ◽  
Author(s):  
S Khan ◽  
TA Banu ◽  
S Akter ◽  
B Goswami ◽  
M Islam ◽  
...  

An efficient in vitro regeneration system was developed for Rauvolfia serpentina L. through direct and indirect organogenesis from nodal and leaf explants. Among the different growth regulators, MS medium supplemented with 2.0 mg/l BAP, 0.5mg/l IAA and 0.02mg/l NAA found best for the multiple shoot formation from nodal segments. In this combination 98% explants produced multiple shoots and the average number of shoots per explants is 13∙4. The frequency of callus induction and multiple shoot induction from leaves was highest 88% in MS medium supplemented with 2.0 mg/l BAP, where mean number of shoots/explants was 12.5. The highest frequency of root induction (80%) and mean number of roots/plantlets (10) were obtained on half strength of MS medium containing 0.2 mg/l IBA. The rooted plantlets were transferred for hardening following acclimatization and finally were successfully established in the field.Bangladesh J. Sci. Ind. Res.53(2), 133-138, 2018


2003 ◽  
Vol 30 (2) ◽  
pp. 75-79 ◽  
Author(s):  
H. Y. Rey ◽  
L. A. Mroginski

Abstract The in vitro regeneration potential of shoot apical tips (2 to 3 mm in length), meristems (0.3 to 0.5 mm in length), and nodal segments (4 to 7 mm long with an axillary bud) of diploid (2n = 2x = 20) and triploid (2n = 3x = 30) cytotypes of Arachis pintoi was evaluated. Explants were cultured on MS medium supplemented with different concentrations and combinations of naphthaleneacetic acid (NAA) and benzyladenine (BA). In one experiment the effect of gibberellic acid was tested. The cultures were done in liquid and solid media. Plant regeneration can be readily achieved from all explants in one step of 30 d culture on MS + 0.01 mg/L each of NAA and BA or two steps consisting of 1) shoots regeneration through culture of explants on MS + 0.01 mg/L each of NAA and BA, and 2) induction of rooting in regenerated shoots by reculture on MS + 0.01 mg/L NAA. The plantlets were successfully transferred to pots in a greenhouse.


HortScience ◽  
2017 ◽  
Vol 52 (9) ◽  
pp. 1278-1282 ◽  
Author(s):  
Boling Liu ◽  
Hongzhou Fang ◽  
Chaorong Meng ◽  
Ming Chen ◽  
Qingdong Chai ◽  
...  

In the present study, the effect of plant growth regulators (PGRs) on callus regeneration, adventitious shoot differentiation, and root formation of Haworthia turgida Haw. was investigated. The greatest callus induction percentage (95.6%) was achieved with leaf explants inoculated on Murashige and Skoog (MS) medium with 1.0 mg·L−1 6-benzyladenine (BA) and 0.1 mg·L−1 1-naphthaleneacetic acid (NAA), and this callus induction medium supplemented with 2.5 mg·L−1 thidiazuron (TDZ) was optimal for callus proliferation. The maximum number of shoots (25.7) was obtained when the callus was cultured on MS medium supplemented with 1.0 mg·L−1 BA and 0.2 mg·L−1 2,4-dichlorophenoxyacetic acid (2,4-D). The highest number of roots per shoot (6.2) and highest rooting frequency (82.0%) were obtained when adventitious shoots were inoculated on MS medium with 0.05 mg·L−1 NAA. Regenerated plantlets were transferred to a mixture of vermiculite and soil and acclimated in a greenhouse. The survival rate of the transplanted plantlets was about 91.6%. The rate of ex vitro rooting was 83.3%, indicating that this technique is effective for root induction in H. turgida. This study has established a rapid and efficient micropropagation system that can be beneficial for commercial cultivation and germplasm conservation of H. turgida.


1970 ◽  
Vol 34 (4) ◽  
pp. 693-703 ◽  
Author(s):  
MA Alam ◽  
MA Haque ◽  
MR Hossain ◽  
SC Sarker ◽  
R Afroz

Anther of five varieties of Brassica species, namely BARI Shariaha-7, Tori-7, Agrani, Daulat and Safal were cultured in vitro to observe their regeneration potentiality. Different concentrations and combinations of growth regulators were supplemented in MS medium. The range of callus induction was 12.50-87.50 %. Maximum callus induction (75.00%) was observed on MS +4 mg/L 2, 4-D + 1.0 mg/L BAP. Among the genotypes, BARI Sharisha-7 showed the highest percentage of callus induction (60.42%). Among the treatments, highest percentage of shoot regeneration (75.00%) was observed on MS + 4 mg/L BAP + 1.0 mg/L NAA. BARI Sharisha-7 also showed the highest rate of plant regeneration (66.67%). Root induction was highest (75%) on half strength MS medium supplemented with 1.0 mg/L IBA and 0.5 mg/L NAA. The plantlets with sufficient roots thus obtained were transferred successfully to plastic pots and subsequently to the field. BARI Sharisha-7 and Tori-7 survived easily in the pots as well as in the field but Safal was very poor in survivability both in the pots and in the field. Key Words: Brassica; haploid; anther culture; in vitro regeneration.DOI: 10.3329/bjar.v34i4.5844Bangladesh J. Agril. Res. 34(4) : 693-703, December 2009 


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