scholarly journals STUDY THE EFFECT OF CYTOKININS AND AUXINS IN THE COMPOSITION AND PRODUCTION OF IN VITRO PLANTLETS HIPPEASTRUM HYBRIDUM

2016 ◽  
Vol 47 (6) ◽  
Author(s):  
Al-Amery & Salman

The First Part of this study was conducted in the Plant Tissue Culture Lab at the College of Science, University of Nahrain from October 2014 to February,2015. The experiment was then completed in the Plant Tissue Culture Lab at the College of Agriculture, University of Baghdad From February 2015 to September 2015. Examine the possibility of using the tissue culture technique in the propagation of Hippeastrum  hybridum. Explants (Bulbs, Leaves) had been sterilized using four different NaOCL concentrations: % 4.0, 2.0, 1.0, 0.0. After sterilization, explants were cultured on MS media supplemented with BA at four concentrations (2.0, 1.0, 0.5, 0.0 mg.liter-1) and NAA at four concentrations (0.5, 0.3, 0.1, 0. 0 mg.liter-1) to obtain plantlets. Afterwards, plantlets were moved to new MS media supplemented with BA (2.0, 1.0, 0.5, 0.0 mg.liter-1) and with or without four concentrations of NAA (0.5, 0.3, 0.1, 0.0 mg.liter-1) to enhance shoot proliferation. The resulted shoots from the best proliferation-enhance media were divided into two parts the first part was transferred to root-promoting media which also included two experiments where the first experiment was by transferring the shoots to MS media (half and full strength) supplemented with NAA at four concentrations (0.5, 0.3, 0.1, and 0.0  mg.liter-1). The second experiment included the best resulted shoots from the first experiment in addition to (0 and 2 mg.liter-1) actived charcoal to increase root percentage, root count, and root length.The resulted plants were acclimatized using peatmoss/soli mixture at the ratio of 1:1, 2:1, and 1:2 to obtain high surviving ratio. Results showed that the best explant(Bulbs, Leaves) was soaking in 3% NaOCl for 10 min. the results also showed that the leaves gave best response 90% when using MS media supplemented with 1.0 mg.liter-1  BA and 0.3 mg.liter-1 NAA when compared with the bulbs that showed low response profile. Furthermore, the best shoot proliferation media was MS supplemented with 1.0 mg.liter-1 BA and 0.3 mg.liter-1 NAA which resulted in 8.30 shoots.plant-1. The best rooting percentage was obtained when culturing the shoots in half strength MS media supplemented with 0.5 mg.liter-1 NAA with the existence of activated charcoal. The surviving percentage reached 95% when using the previously mentionedpeatmoss-soil/mixtures.  

2016 ◽  
Vol 47 (6) ◽  
Author(s):  
Al-Amery & Salman

The First Part of this study was conducted at the Plant Tissue Culture Lab at the College of Science, University of Nahrain from October 2014 to February,2015. and completed at the Plant Tissue Culture Lab at the College of Agriculture, University of Baghdad From February 2015 to September 2015. Examine the possibility of using the tissue culture technique in the propagation of Hippeastrum  hybridum.plantlets were resulted from leaves induced plant lets moved to new MS media supplemented with BA and Kin at 2.0, 1.0, 0.5, 0.0 mg.liter-1 individually or in combination and with or without NAA at 0.5, 0.3, 0.1, 0.0 mg.liter-1 to enhance shoot proliferation. Transferred shoot  from the best proliferation- enhance to stage bulbs formation, MS media supplemented with BA at 6.0, 3.0, 1.5, 0.0 0  mg.liter-1 in addition to sucrose at  90, 60, 300 g.liter-1 with the present of NAA at 0.1 mg.liter-1 to increase bulbs formation, weight, and diameter .Result showed that the best  shoot proliferation media was MS supplemented with 1.0 mg.liter-1 BA and 0.3 mg.liter-1 NAA which resulted in 8.30 shoots.plant-1. As for bulbs formation, the results exhibited that MS media supplemented with  6.0  mg.liter-1 BA and 90 g.liter-1 sucrose with the existence of 0.10 mg.liter-1 NAA gave the highest bulbs formation percentage, diameter, and both fresh and dry weight which were 3 bulbs.explant-1, 0.98 cm, and 1.04 and 0.25 g, respectively.


Author(s):  
Akshay Milind Patil ◽  
Pooja Prakash Gunjal ◽  
Dr. Sonali Das

The multiplication efficacy by bulb is low and the plantlets are more susceptible to disease, therefore, there is a need to develop a protocol for its propagation. Lilium candidum is listed in the saitma prefecture Red Data Book as a critically endangered plant and rescuing information regarding its micro-propagation is rather limited. On this regard, the application of in vitro micropropagtion procedure might help to obtain large numbers of uniform plants of endangered species of Lilium. Dried lilies are a rich source of fiber and also rich in sodium and carbs. Lily bulbs have proteins and starch and also small quantities of iron, calcium, phosphorous, and vitamin B1, B2, C. The health benefits of the lily for the heart are well known on account of the active cardiac glycosides as well as the flavonoids which tend to stimulate the arteries and can cause them to dilute. Another one of the therapeutic uses of the lily flower is in the case of treating burns and preventing the formation of scar tissue. One of the main health benefits of the lily flower is that it helps regulating the heart rate there by allowing the heart to function more efficiently and regular. Having multiple medicinal properties we decided to cultivate Lilium candidum using plant tissue culture so farming can be increased using this cost efficient techniques. In this research, we have studied various Effect of different concentration of BAP and NAA on the initiation of Lilium candidum from bulb and IBA, IAA and NAA on the rooting of shoots of Lilium Candidum.


2021 ◽  
Author(s):  
Siti Khadijah A. Karim

During the last three decades, plant cell, tissue, and organ culture have developed rapidly and become a major biotechnology tool in agriculture, horticulture, forestry, and industry. Many problems in conventional breeding techniques were solved via tissue culture techniques. Plant tissue culture technique permits the growing plants in test tube or closed container in vitro under controlled environment. This technique is devoted to solve two problems: 1) To keep the plant cells free from microbes. 2) To grow the desired plants by providing suitable nutrient medium and other environmental conditions. In this chapter, a review around plant tissue culture techniques that have been reported on oil palm breeding programme will be discussed. It is including the laboratory techniques, advantages and disadvantages of the technique, the problems to produce good and prolific oil palm tissue culture clones and mitigation measures that have been reported to overcome the problems. As a conclusion, this chapter reviews tissue culture techniques that could be used to propagate oil palm clones.


2016 ◽  
Vol 128 (2) ◽  
pp. 437-446 ◽  
Author(s):  
Siham Esserti ◽  
Mohamed Faize ◽  
Lalla Aicha Rifai ◽  
Amal Smaili ◽  
Malika Belfaiza ◽  
...  

Planta ◽  
2018 ◽  
Vol 248 (1) ◽  
pp. 1-18 ◽  
Author(s):  
Claudia A. Espinosa-Leal ◽  
César A. Puente-Garza ◽  
Silverio García-Lara

2018 ◽  
Vol 28 (1) ◽  
pp. 99-108 ◽  
Author(s):  
Mohammad Ali ◽  
Shefali Boonerjee ◽  
Mohammad Nurul Islam ◽  
Mihir Lal Saha ◽  
M Imdadul Hoque ◽  
...  

The endogenous bacterial contamination of plant tissue culture materials and their possible control was studied. Nine bacterial isolates were isolated from the contaminated tissue culture materials viz. potato and tea. On the basis of morphology and biochemical characters of nine isolates, seven were identified as Gram positive belonging to Bacillus alcalophilus, B. circulans, B. infantis, B. lentus, B. schlegelii, B. pumilus and B. subtilis. Remaining two were Gram negative and identified as Enterobacter cloacae sub. sp. dissolvens and Pantoea agglomerans. Molecular analysis was conducted on the basis of 16S rDNA sequence to confirm three isolates. Culture and sensitivity test was carried out to screen out the antibiotic sensitivity where streptomycin (S-10), polymyxin (PB-300) and gentamicin (CN-120) antibiotics were found to be effective against all bacterial isolates. The culture and sensitivity test reflected the feasibility to control or eliminate the contaminant bacteria during in vitro culture of plant which is very much required in the commercial tissue culture production.Plant Tissue Cult. & Biotech. 28(1): 99-108, 2018 (June)


1985 ◽  
Vol 65 (4) ◽  
pp. 1025-1032 ◽  
Author(s):  
BRIAN W. DYKEMAN ◽  
BRUCE G. CUMMING

Methods were developed for the successful in vitro propagation of ostrich fern (Matteuccia struthiopteris (L.) Todaro) clones utilizing shoot tips derived by forcing lateral buds on the rhizome. Maximum shoot proliferation was attained with 6-furfurylaminopurine (kinetin) at 1.0 mg/L with half-strength Murashige and Skoog (MS) inorganic salts and sucrose, agar, NaH2PO4, adenine sulphate, i-inositol and thiamine∙HCl at 30 000, 4000, 85, 40, 100, 0.4 mg/L, respectively. Excellent frond and root development was achieved with half-strength MS salts and sucrose, agar, i-inositol and thiamine∙HCl at 7500, 4000, 100 and 0.4 mg/L, respectively. The methods developed were satisfactory for a cross section of clones. Morphogenesis in vitro was dependent on medium osmotic potential.Key words: Matteuccia struthiopteris, in vitro propagation, tissue culture, morphogenesis, fern (ostrich)


2017 ◽  
pp. 24-33
Author(s):  
Swetnisha, Ajitabh Bora, H.K. Gogoi, P.S. Raju

Capsaicin, a secondary metabolite produced in capsicum, is in high demand in pharmaceutical industry because of its various medicinal properties. Currently, the supply of capsaicin depends upon its extraction from capsicum fruits. This limits the production of capsaicin as it depends upon agricultural produce. The current review has compiled information from various literature published on chemistry and importance of capsaicin along with its method of production. It also reviews the process of in vitro production of capsaicin through plant tissue culture, strategies of increasing capsaicin accumulation and its advantages over extraction from fruits and artificial synthesis.


2021 ◽  
Vol 12 (1) ◽  
pp. 107-112
Author(s):  
Simran Chandrahas Shetty ◽  
Narasimhan S

Autoclaving nutrient media is still considered as the optimum mode of sterilisation in plant cell and tissue culture. During the process steam under high pressure is maintained at 120 degrees Celsius, 15 psi for 15-20 minutes in a chamber, optimised to kill all possible microbial life forms. But the disadvantages related to the process of autoclaving are plentiful. They are, decrease in the media pH, salt precipitation, agar depolymerisation, carbohydrate hydrolysis, volatile obliteration and necessity of the infrastructure investment. Requirements of additional resources (time, human resources, electrical energy) have forced the lookout for a more viable alternative, that is, chemical sterilisation. The use of Sodium dichloroisocyanurate (NaDCC) is a useful alternative for media and explant sterilisation. NaDCC is stable, water-soluble, non-toxic and easy to use at room temperature, does not have any environmental hazards and is not phytotoxic. The use of NaDCC as a disinfectant has been documented well concerning water sterilisation, surface sterilisation and also as a broad spectrum disinfecting agent. Disinfecting property of NaDCC is due to the hydrolytic release of chlorine, and this can be utilised for sterilisation of media and explants in plant tissue culture. NaDCC is a useful alternative for autoclaving at a concentration range of 0.05 to 1.0 g/l. However, only a few reports are available for its use as a sterilising agent for media and explants for in vitro cultures of plants. This paper discusses and reviews the possibility of establishing NaDCC as an active agent for explant sterilisation and as a viable alternative to medium sterilisation through autoclaving.


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