scholarly journals МОНГОЛ ОРНЫ ЭНДЕМИК УРГАМАЛ МОНГОЛ ДОГАР-CARYOPTERIS MONGOLICA BGE.-ИЙГ IN VITRO НӨХЦӨЛД ҮРЖҮҮЛСЭН ДҮНГЭЭС

2014 ◽  
Vol 52 (2) ◽  
pp. 23-28
Author(s):  
Д. Бямбасүх
Keyword(s):  
Acetic Acid ◽  
Basal Medium ◽  
Naphthalene Acetic Acid ◽  
Nodal Segment ◽  
Ms Medium ◽  
Endemic Plant ◽  
Shoot Height ◽  
Cotyledon Explants ◽  
Multiple Buds

Caryopteris mongolica Bge. буюу Монгол Догарын үрийг ариутгаад гиббереллиний хүчил(ГХ) 0.5мг/л, 1мг/л, 2мг/л тус тус агуулсан болон дан МС(хяналт) тэжээлт орчин дээр соёолуулсан. ГХ 2мг/л агуулсан хувилбар нь хяналттай харьцуулахад 20 хувиар үрийн соёололтыг нэмэгдүүлсэн. 28 хоногтой цухуйцаас хажуугийн нахиа бүхий ишний үе болон үрийн талын хэсгийг эксплант болгон сонгон авч Бензиламинопурин(БАП) 1мг/л, БАП 2мг/л ба Индол-3-цууны хүчил(ИЦХ) 0.3 мг/л, БАП 3мг/л концентрациар тус тус агуулсан, мөн Кинетин(КИН) 1мг/л, КИН 2мг/л ба α-нафталин цууны хүчил(НЦХ) 0.3мг/л, КИН 3мг/л ба НЦХ 0.4мг/л харьцаагаар тус тус агуулсан МС үндсэн тэжээлт орчинд өсгөвөрлөсөн. 21 хоногийн дараа найлзуур ургаж, нахиа олширсон байсан учир хэмжилт авч, 28 хоногийн дараа субкультур хийсэн. Нахиа үүсгэхэд хамгийн тохиромжтой орчны хувилбараар үрийн талын эксплант дээр 3 мг/л БАП, харин нахиа бүхий ишний үеийн эксплант дээр КИН=3мг/л, НЦХ=0.4мг/л өсөлтийн бодис агуулсан МС тэжээлт орчин байв. Үүссэн найлзууруудаа ямар нэг өсөлтийн бодис агуулаагүй ½ МС тэжээлт орчинд өсгөвөрлөхөд 7-10 хоногийн дараа үндэс үүсч эхэлж байсан бөгөөд 21-28 хоногт 95% нь үндэслэж байв.IN VITRO PROPAGATION THE MONGOLIAN ENDEMIC PLANT CARYOPTERIS MONGOLICA BGE.Caryopteris mongolica Bge. is rare and endemic plant of Mongolia, which used in traditional medicine of various diseases. We have initiated in vitro propagation the Caryopteris mongolica Bge. from seeds. Seeds were surface sterilized by immersing in 70% ethanol for 90 sec, 10% hydro peroxide for 10 minutes and 5% sodium hypochlorite for 20 minutes. Finally, rinsed with sterile distilled water for 4 times. Sterilized seeds were germinated on MS medium supplemented with 0.5, 1, 2 mg/l gibberillic acid, respectively. Nodal segment and cotyledon explants from 4 weeks old seedling were cultured on the MS basal medium supplemented with benzylaminopurine(BAP) 1 mg/l, BAP 2 mg/l and Indole acetic acid(IAA) 0.3 mg/l, BAP 3 mg/l, Kinetin(KIN) 1 mg/l, KIN 2 mg/l and Naphthalene acetic acid(NAA) 0.3 mg/l, KIN 3 mg/l and NAA 0.4 mg/l concentrations, respectively. After 3 weeks, measured of shoot height and bud number and 4 weeks later subcultured in a same medium. High frequency multiple buds were formed on MS medium supplemented with BAP 3mg/l, from cotyledon explants, but KIN 3 mg/l and NAA 0.4 mg/l was best version of nodal segment explants. All shoots were cultured in the ½ MS basal without any growth regulators for induction of root. After 7-10 days, initiation of root form and 21-28 days later 95% of cultured shoots were rooted.Key words: Caryopteris mongolica Bge., MS basal medium, Gibberillic acid, Benzylaminopurine, Kinetin, Indole-3-acetic acid, α-Naphthalene acetic acid, explants.DOI: http://dx.doi.org/10.5564/pmas.v52i2.356 Proceedings of the Mongolian Academy of Sciences Vol.52(2) 2012 p.23-28

scholarly journals Micropropagation and Conservation of Fig (Ficus Carica L.)

2019 ◽  
Vol 10 ◽  
pp. 1669-1679 ◽  
Author(s):  
Mohamad Shatnawi ◽  
Rida A. Shibli ◽  
Wesam G. Shahrour ◽  
Tamara S. Al-Qudah ◽  
Abu-Zahra Taleb
Keyword(s):  
Acetic Acid ◽  
Sucrose Concentration ◽  
Plant Root ◽  
Shoot Multiplication ◽  
Propagation Rate ◽  
Ficus Carica ◽  
Naphthalene Acetic Acid ◽  
Ms Medium ◽  
Shoot Height

An efficient protocol is outlined for rapid and mass micropropagation of Ficus carica L. (fig). Shoot tips (5 mm) were obtained from mother plants stock grown on half strength Murashige and Skoog (½ MS) medium with the addition of 30 g/L sucrose. For shoot multiplication Benzyl amino purine (BAP) and kinetin produced differences number of new shoot per plant and shoot height. BAP at 0.4 mg/L in combination with 0.2 mg/L indole-3-butyric-acid (IBA) produce maximum in vitro propagation rate, with 4.2 shoots per ex-plant. Root initiation was experimented on MS medium containing different concentrations of mg/L, IBA, IAA (Indole-3-acetic-acid) (IAA) or Naphthalene acetic acid (NAA). Highest number of root (4.3) was resulted when 1.5 mg/L IBA was used. After acclimatization in a mixture of (1 soil: 1 perlite: 1 peat) survival rate of 80% was achieved. For in vitro conservation of F. carica was experimented as microshoots were stored for 40 weeks on MS medium containing different sucrose concentration. Medium supplemented with 3% sucrose gave the highest regrowth (89%) at 24 ± 2 °C. Culture grew slowly when transferred to new fresh medium after the storage periods.

Morphological evaluation and antioxidant activity of in vitro- and in vivo-derived Echinacea purpurea plants

2012 ◽  
Vol 7 (4) ◽  
pp. 698-707 ◽  
Author(s):  
Ely Zayova ◽  
Ira Stancheva ◽  
Maria Geneva ◽  
Maria Petrova ◽  
Rumiana Vasilevska-Ivanova
Keyword(s):  
Acetic Acid ◽  
Basal Medium ◽  
Echinacea Purpurea ◽  
Water Soluble ◽  
Cultivated Plants ◽  
Naphthalene Acetic Acid ◽  
High Survival ◽  
Ms Medium

AbstractAn effective in vitro protocol for rapid clonal propagation of Echinacea purpurea (L.) Moench through tissue culture was described. The in vitro propagation procedure consisted of four stages: 1) an initial stage - obtaining seedlings on Murashige and Skoog (MS) basal medium with 0.1 mg L−1 6-benzylaminopurine, 0.1 mg L−1 α-naphthalene acetic acid and 0.2 mg L−1 gibberellic acid; 2) a propagation stage — shoot formation on MS medium supplemented with 1 mg L−1 6-benzylaminopurine alone resulted in 9.8 shoots per explant and in combination with 0.1 mg L−1 α-naphthalene acetic acid resulted in 16.2 shoots per explant; 3) rooting stage — shoot rooting on half strength MS medium with 0.1 mg L−1 indole-3-butyric acid resulted in 90% rooted microplants; 4) ex vitro acclimatization of plants. The mix of peat and perlite was the most suitable planting substrate for hardening and ensured high survival frequency of propagated plants. Significant higher levels were observed regarding water-soluble and lipid-soluble antioxidant capacities (expressed as equivalents of ascorbate and α-tocopherol) and total pnenols content in extracts of Echinaceae flowers derived from in vitro propagated plants and adapted to field conditions in comparison with traditionally cultivated plants.

scholarly journals In vitro callus and shoot regeneration in Enterolobium cyclocarpum (Jacq.) Grised. - a fast timber yielding species

2020 ◽  
Vol 12 (1) ◽  
pp. 74-89
Author(s):  
Michael S. AKINROPO ◽  
Benjamin E. AYISIRE ◽  
Ejeoghene R. OGBIMI
Keyword(s):  
Shoot Regeneration ◽  
Leaf Explants ◽  
Basal Medium ◽  
Multiple Shoots ◽  
Nodal Explants ◽  
Naphthalene Acetic Acid ◽  
Ms Medium ◽  
Cotyledon Explants ◽  
Enterolobium Cyclocarpum

This study was conducted to investigate the in vitro callus induction and rapid shoot regeneration potential in Enterolobium cyclocarpum, a plant native to central Mexico but widely introduced into Africa. The leaf, stem and nodal explants of E. cyclocarpum were cultured on full strength Murashige and Skoog (MS) medium supplemented with different concentrations of Cytokinins - Benzyladenine (BA) and/or Kinetin and Auxins - Naphthalene acetic acid (NAA) and/or 2,4-Dichlorophenoxylacetic acid (2,4-D) each alone and in combination.  The leaf explants did not respond to these treatments.  The Nodal explants were best for caulogenesis, while the explant responses were in the order- nodal > stem > cotyledon for callogenesis in MS medium supplemented with BA and/or Kin combined with NAA and/or 2,4-D. The varied combinations induced white compact callus.  The highest callus production was observed on MS medium supplemented with 2.7 µM NAA + 2.2 µM BA and 5.4 µM NAA alone.  Nodal and cotyledon explants developed callus and multiple shoots on MS supplemented with a combination of cytokinin (BA and/or Kin.) and auxin (NAA and/or 2,4-D). The maximum number of 3.98 ± 0.37 and 2.1±0.11 shoots/explants were recorded for nodal and cotyledon explants on MS medium supplemented with a combination of 8.8 µM BA+2.7 µM NAA and 2.2µM BA+2.7 µM NAA respectively.  On the basal medium, 10% of the excised shoots rooted successfully. Thus, this in vitro method can be exploited for conservation and mass propagation of this fast timber yielding tree and also utilized for embryogenesis studies.

scholarly journals Influence of growth regulators and explants on shoot regeneration in carnation

2009 ◽  
Vol 36 (No. 4) ◽  
pp. 140-146 ◽  
Author(s):  
J.K. Kanwar ◽  
S. Kumar
Keyword(s):  
Acetic Acid ◽  
Shoot Regeneration ◽  
Growth Regulators ◽  
Dianthus Caryophyllus ◽  
Naphthalene Acetic Acid ◽  
Ms Medium ◽  
Shoot Bud ◽  
Dichlorophenoxy Acetic Acid ◽  
Number Of Shoots

The influence of growth regulators, explants and their interactions on in vitro shoot bud formation from callus was studied in <I>Dianthus caryophyllus</I> L. The leaf and internode explants were cultured on Murashige and Skoog (MS) medium containing different concentrations of growth regulators. The highest callus induction was observed with 2 mg/l 2,4-dichlorophenoxy acetic acid (2,4-D) and 1 mg/l benzyl adenine (BA). Out of twenty seven shoot regeneration media tested, only 2 mg/l thidiazuron (TDZ) and zeatin alone or in combination with naphthalene acetic acid (NAA) and/or indole acetic acid (IAA) could differentiate calli. The highest average number of shoots was observed with 2 mg/l TDZ and 1 mg/l IAA. Significant differences were observed in calli producing shoots and number of shoots per callus in the explants of leaf and internode. The shoots were elongated and multiplied on MS medium supplemented with 1 mg/l BA and solidified with 1% agar. The shoots were rooted and hardened with 76% survival success in pots after six weeks of transfer to the pots.

scholarly journals In Vitro Propagation of Digitalis trojana Ivanina., an Endemic Medicinal Plant of Turkey

2020 ◽  
Author(s):  
Nurşen Çördük ◽  
Cüneyt Aki
Keyword(s):  
Acetic Acid ◽  
Medicinal Plant ◽  
In Vitro Propagation ◽  
Leaf Explants ◽  
Naphthalene Acetic Acid ◽  
Ms Medium ◽  
Northwestern Turkey ◽  
Helen Of Troy ◽  
Endemic Medicinal Plant

Digitalis trojana Ivanina is a member of the Plantaginaceae family and known by its common name, Helen of Troy foxglove. It is perennial endemic to Çanakkale and Balıkesir, northwestern Turkey. In order to develop an efficient shoot regeneration protocol, the leaf explants of D. trojana were cultured on Murashige and Skoog (MS) medium containing 6-benzyl adenine (0.1, 0.5, 1.0, 3.0, 5.0 mg/L) and α-naphthalene acetic acid (0.1, 0.5, 1.0 mg/L), 3% (w/v) sucrose and 0.8% (w/v) agar. The highest number of regenerated shoots was obtained from leaf explants that were cultured on MS medium with 3.0 mg/L BA+0.1 mg/L NAA. Regenerated shoots were rooted on MS medium without plant growth regulators. Rooted plants (2–3 cm) were separately transferred to pots containing a mixture of peat and perlite (2:1 v/v) and acclimatized successfully in a growth chamber.

scholarly journals In vitro callus induction of gerbera from leaf explant

2020 ◽  
Vol 8 (1) ◽  
pp. 1
Author(s):  
Sadia Afrin Jui ◽  
Md. Mijanur Rahman Rajib ◽  
M. Mofazzal Hossain ◽  
Sharmila Rani Mallik ◽  
Iffat Jahan Nur ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Growth Regulators ◽  
Callus Induction ◽  
Leaf Explants ◽  
Leaf Explant ◽  
Naphthalene Acetic Acid ◽  
Dichlorophenoxyacetic Acid ◽  
Ms Medium ◽  
Indole 3 Acetic Acid

The experiment was designed to evaluate the effect of growth regulators on leaf explant of Gerbera for callus induction. Various kinds of plant growth regulators such as 6-Benzylaminopurine (BAP), α-Naphthalene acetic acid (NAA), 2, 4-Dichlorophenoxyacetic acid (2, 4-D), Indole-3-acetic acid (IAA) were used to initiate cultures. These were added to Murashige and Skoog medium in different combinations and concentrations. Leaf explants cultured on MS medium supplemented with BAP+ 2, 4-D+ IAA in T4 treatment & BAP+ 2,4-D in T5 treatment showed the best results for callus induction. On the other hand callus was induced early in the combination of BA+ 2,4-D + IAA hormone in T5, T9 & T8 treatment respectively. The rate of callus induction was very low in BA + NAA combinations but it was much earlier.   

scholarly journals In vitro seed germination and seedling development of Phaius tancarvilleae (L’Her.) Blume.

1970 ◽  
Vol 9 (9) ◽  
pp. 50-52 ◽  
Author(s):  
Bijaya Pant ◽  
Sumitra Shrestha ◽  
Shreeti Pradhan
Keyword(s):  
Acetic Acid ◽  
Seed Germination ◽  
Seedling Development ◽  
Naphthalene Acetic Acid ◽  
Ideal Condition ◽  
Ms Medium ◽  
Mass Propagation ◽  
Asymbiotic Seed Germination ◽  
Protocorm Formation

In vitro seed germination and seedling development of Phaius tancarvilleae (L’Her.) Blume. was carried out on 0.8%(w/v) agar solidified MS Medium (Murashige and Skoog, 1962) without hormones or supplemented with different concentration and combination of Naphthalene acetic acid (NAA) and 6-benzylaminopurine (BAP). MS medium supplemented with 0.5 mg/l of BAP was the most ideal condition for early seed germination, protocorm formation and development of seedlings. Germination started after 7 weeks of culture and complete seedlings were obtained after 24 weeks of culture. This protocol might be helpful for mass propagation of orchids by asymbiotic seed germination. Keywords: Orchid; Invitro; Protocorm; Media DOI: http://dx.doi.org/10.3126/sw.v9i9.5518 SW 2011; 9(9): 50-52

In vitro propagation, genetic and phytochemical assessment of Thymus persicus — a medicinally important source of pentacyclic triterpenoids

Biologia ◽  
2014 ◽  
Vol 69 (5) ◽  
Author(s):  
Ziba Bakhtiar ◽  
Mohammad Mirjalili ◽  
Ali Sonboli ◽  
Mahdi Farimani ◽  
Mahdi Ayyari
Keyword(s):  
Acetic Acid ◽  
High Performance ◽  
In Vitro Propagation ◽  
Random Amplified Polymorphic Dna ◽  
Direct Organogenesis ◽  
Naphthalene Acetic Acid ◽  
Ms Medium ◽  
Pentacyclic Triterpenoids ◽  
Thymus Persicus

AbstractThymus persicus (Ronniger ex Rech. f.) Jalas is a valuable and endangered natural source of antitumor pentacyclic triterpenoids, i.e., betulinic acid, oleanolic acid and ursolic acid, which grows in northwest Iran. As the plant has a low propagation rate in nature, a suitable method for in vitro-propagation is needed. With the aim of identifying a suitable system for regenerating T. persicus via direct organogenesis, Murashige & Skoog (MS) medium supplemented with different plant growth regulators (PGRs) was tested. In vitro-grown shoot tips were exposed to the cytokinins 6-benzylaminopurine (BAP), kinetin (KN), and thidiazuron (TDZ), alone or in combination with the auxins 1-naphthalene-acetic acid (NAA), 2,4-dichlorophenoxyacetic (2,4-D), indole-3-butyric acid (IBA) and indole-3-acetic acid (IAA). The highest shoot formation (7.1 ± 0.9) was obtained with a medium fortified with 8.9 μM BAP plus 2.7 μM NAA. Regenerated shoots were easily rooted on the different tested media, with the most abundant (16.6 ± 1.4) and strongest roots obtained on half-strength MS medium containing 2.5 μM IBA. The rooted plantlets were successfully acclimatized (76.6%) in a greenhouse before transference to natural conditions. Homogeneity and phytochemical productivity of the in vitro regenerated plantlets were confirmed by random amplified polymorphic DNA (RAPD) profiles and high performance liquid chromatography (HPLC), respectively.

scholarly journals Multiplikasi Eksplan Tunas Anggrek Hitam (Coelogyne pandurata Lindl.) dengan Penambahan NAA (Naphthalene Acetic Acid) dan Ekstrak Biji Jagung (Zea mays) Secara In Vitro

2021 ◽  
Vol 11 (2) ◽  
pp. 114
Author(s):  
Nurkapita Nurkapita ◽  
Riza Linda ◽  
Zulfa Zakiah
Keyword(s):  
Tissue Culture ◽  
Zea Mays ◽  
Acetic Acid ◽  
Seed Extract ◽  
Naphthalene Acetic Acid ◽  
Shoot Height ◽  
Culture Techniques ◽  
Corn Seed ◽  
Randomized Design

(Article History: Received February 18, 2021; Revised April 27, 2021; Accepted May 19, 2021) ABSTRAKPerkembangbiakan anggrek secara generatif alami membutuhkan bantuan jamur mikoriza untuk perkecambahan biji, sedangkan usaha perbanyakan konvensional memerlukan waktu lama untuk memperoleh tanaman dalam jumlah banyak. Salah satu alternatif untuk perbanyakan anggrek hitam (Coelogyne pandurata Lindl.) adalah melalui multiplikasi tunas anggrek secara in vitro. Tujuan penelitian adalah untuk membuktikan pengaruh pemberian NAA (Naphthalene Acetic Acid) dan ekstrak biji jagung (Zea mays) terhadap multiplikasi tunas anggrek hitam. Penelitian dilakukan di Laboratorium Kultur Jaringan Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Tanjungpura Pontianak. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) pola faktorial dengan dua faktor perlakuan. Faktor pertama adalah NAA terdiri dari 5 taraf konsentrasi yaitu A0 (0 M/ kontrol) A1 (10-7 M), A2 (10-6 M), A3 (5x10-7 M) dan A4 (5x10-6 M ) dan faktor ekstrak biji jagung (B) dengan 5 taraf konsentrasi yaitu B0 (0%), B1 (2,5%), B2 (5%); B3 (7,5%) dan B4 (10%). Pemberian kombinasi NAA dan ekstrak biji jagung berpengaruh nyata terhadap semua parameter yaitu jumlah tunas, jumlah daun, dan tinggi tunas. Hasil terbaik rerata jumlah tunas pada perlakuan A4+B4 yaitu 5x10-6M NAA+10% ekstrak biji jagung. Hasil terbaik pada rerata jumlah daun pada perlakuan A2+B2 yaitu 5x10-7M NAA+5% ekstrak biji jagung dan hasil terbaik pada rerata tinggi tunas pada perlakuan A1+B1 yaitu 10-7M NAA+2,5% ekstrak biji jagung.Kata Kunci: multiplikasi; tunas anggrek hitam; ekstrak biji jagung; NAA. ABSTRACTGenerative reproduction of orchid plants it takes a requires the help of mycorriza mushrooms for seed germination, whereas conventional propagation business takes a long time to obtain large quantities of plants. One alternative to the propagation black orchids (Coelogyne pandurata Lindl.) is required through tissue culture techniques. The purpose of this study is to find the influence and concentration corn seed extract (Zea mays) and NAA (Naphthalene Acetic Acid) on the multiplication black orchids. This research was conducted in the tissue culture laboratory Biology Department Faculty of Mathematics and Natural Sciences Tanjungpura University Pontianak. The study used a Complete Randomized Design (RAL) of factorial patterns with two treatment factors. The first factor is that the NAA consists of 5 concentration levels  A0 (0 M) A1 (10-7 M), A2 (10-6 M), A3 (5x10-7 M) and A4 (5x10-6 M ) and the second factor is that corn seed extract of 5 levels concentratio B0(0%), B1 (2,5%), B2 (5%); B3 (7,5%) and B4 (10%). The administration NAA and corn seed extract in combination has a real effect on all parameters namely the number shoots, the number leaves, and the height shoots. The best results where the average number of shoots in the treatment of A2+B2 namely 5x10-6M NAA + 10% corn seed extract. The best results average number of leaves in the treatment  A2+B2 namely 5x10-7M NAA + 5% corn seed extract and in the best results for shoot height in the treatment of A1+B1 namely 10-7M NAA + 2.5% corn seed extract.Keywords: Multiplication; black orchid’s shoot; corn  seed extract; NAA

scholarly journals In vitro Micro Propagation of Soybean (Glycine max) BARI-5 Variety

2019 ◽  
Vol 13 (1) ◽  
pp. 177-187 ◽  
Author(s):  
Nadira Begum ◽  
Elina A. Zenat ◽  
Mohammad K.I. Sarkar ◽  
Chapol K. Roy ◽  
John L. Munshi ◽  
...  
Keyword(s):  
Glycine Max ◽  
Seed Germination ◽  
Agricultural Research ◽  
Average Length ◽  
Research Work ◽  
Naphthalene Acetic Acid ◽  
Nodal Segment ◽  
Root Induction ◽  
Ms Medium

Introduction: The present research work was undertaken with a view to developing a suitable protocol for in vitro plant regeneration of economically important plant (Glycine max) (Bangladesh Agricultural Research Institute BARI- 5) variety, via both direct and indirect organogenesis from in vitro grown seedlings. Methods: For micropropagation explants were cultured on MS and half strength Murashige and Skoog (MS) medium supplemented with various plant growth regulators (cytokinins and auxins). In the present study for inducting of callus, among 3 different hormone combinations, the suitable medium was 3.32 mg/L 2, 4-D containing MS medium and the callus was deep green in color. Different type of media like MS, 1/2 MS and MS with different (6-Benzyl Amino Purine) BAP concentration was used for seed germination of Glycine max. 100% of seed germination was observed in MS +1 mg/L BAP containing the medium. Results: In the present investigation, different concentration of cytokinins and auxins{BAP, 2, 4-D, and Naphthalene Acetic Acid (NAA)} were used individually or in combinations with MS medium to observe their effect on multiple shoot regeneration from the cotyledonary nodal segment. 100% shoot formation from cotyledonary nodal segment was recorded in 1.5 mg/L BAP and 0.15 mg/L BAP + 0.025 mg/L NAA containing MS medium, the best number of shoot was 10.9±2.0 found in MS + 1.5 mg/L BAP containing medium and highest length of shoot was 2 cm recorded in 1.5 mg/L BAP + 0.3 mg/L (different concentrations of Giberrellic acid) GA3 containing MS medium. In addition, for root induction in vitro raised well developed and elongated shoots were excised and cultured on MS and 1/2 MS medium supplemented with various concentration of Indole-3-Butyric acid (IBA). It was observed that MS medium containing 0.1 mg/L IBA and 1/2 MS medium containing 0.25 mg/L IBA was optimal for root induction. In which 100% shoots rooted well within 13 days of culture. The highest average number of roots per shoot was 6 recorded in MS +0.5 mg/L IBA containing the medium and highest average length of root was 8 cm recorded in 0.1 mg/L IBA containing MS medium. Conclusion: The most effective surface sterilization treatment for explants of Glycine max has been found in 0.1% HgCl2 solution for 15 minutes.

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