Tissue culture is the growth of plant tissues or cells separately from the organism, usually using a liquid, semi-solid, or solid growth medium. Tissue culture has applications in commercial plant production, conserving endangered species, plant breeding to develop desirable traits like herbicide resistance, producing valuable compounds through growing plant cells in bioreactors, and creating hybrids between distantly related species. The advantages of tissue culture include producing many copies of plants with beneficial properties, allowing plant growth anytime regardless of climate conditions, and generating disease-free plants. However, the disadvantages are high costs for large-scale production, variability requiring experimentation, need for close monitoring, potential for identity errors, and decreased genetic diversity.
Plant Tissue Culture..“Micropropagation Studies On Bambusa tulda”Manzoor Wani
I hereby declare that a dissertation work entitled ―Micropropagation studies on Bambusa tulda plant through nodal explant” Submitted to university in fulfillment for the award of degree in Bachelors Of Science (forestry) is carried out by me at State Research Institute Jabalpur Madhya Pradesh.
Plant Tissue Culture..“Micropropagation Studies On Bambusa tulda”Manzoor Wani
I hereby declare that a dissertation work entitled ―Micropropagation studies on Bambusa tulda plant through nodal explant” Submitted to university in fulfillment for the award of degree in Bachelors Of Science (forestry) is carried out by me at State Research Institute Jabalpur Madhya Pradesh.
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This is a PPT Based on Class 10 Chapter How Do Organisms Reproduce, on a Small Topic of it That is Tissue Culture with easy and detailed explanation of each topic of tissue culture along with some pictures and some examples. Hopefully it Would Be Helpful To You. Thank You.
Here, all information about Plant Tissue Culture
HISTORY OF PLANT TISSUE CULTURE
THE TECHNIQUE OF PLANT TISSUE CULTURE
Plantlet Regeneration and Transfer to Soil
A Classification of Tissue Culture Techniques
EMBRYO CULTURE
MERISTEM CULTURE
ANTHER OR POLLEN CULTURE
TISSUE AND CELL CULTURES
SOMATIC HYBRIDIZATION
Micropropagation (tissue culture or invitro culture) refers to the multiplication of plants, in an aseptic condition and in artificial growth medium from plant parts like meristem tip, callus, embryos anthers, axillary buds etc. It is a method by which a true to type and disease free entire plant can be regenerated from a miniature piece of plant in aseptic condition in artificial growing medium rapidly throughout the year.
PPT on Tissue Culture Class 10 CBSE Text Book NCERT.One Time Forever
This is a PPT Based on Class 10 Chapter How Do Organisms Reproduce, on a Small Topic of it That is Tissue Culture with easy and detailed explanation of each topic of tissue culture along with some pictures and some examples. Hopefully it Would Be Helpful To You. Thank You.
Here, all information about Plant Tissue Culture
HISTORY OF PLANT TISSUE CULTURE
THE TECHNIQUE OF PLANT TISSUE CULTURE
Plantlet Regeneration and Transfer to Soil
A Classification of Tissue Culture Techniques
EMBRYO CULTURE
MERISTEM CULTURE
ANTHER OR POLLEN CULTURE
TISSUE AND CELL CULTURES
SOMATIC HYBRIDIZATION
Micropropagation (tissue culture or invitro culture) refers to the multiplication of plants, in an aseptic condition and in artificial growth medium from plant parts like meristem tip, callus, embryos anthers, axillary buds etc. It is a method by which a true to type and disease free entire plant can be regenerated from a miniature piece of plant in aseptic condition in artificial growing medium rapidly throughout the year.
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Advantages of cultivation
Methods of Plant Propagation
1.Sexual method (seed propagation)
2. Asexual method
Methods of sowing the seeds
Broadcasting Dibbling Miscellaneous
Special treatment to seeds
Asexual method.
Asexual method of vegetative propagation consists of three types:
a) Natural methods of vegetative propagation.
b) Artificial methods of vegetative propagation.
c) Aseptic method of micropropagation (tissue-culture).
COLLECTION OF CRUDE DRUGS
HARVESTING OF CRUDE DRUGS
DRYING OF CRUDE DRUGS
(1) natural (sun drying) and (2) artificial
Artificial Drying
Drying by artificial means includes drying the drugs in
(a) an oven; i.e. tray-dryers;
(b) vacuum dryers and
(c) spray dryers.
GARBLING (DRESSING)
PACKING OF CRUDE DRUGS
STORAGE & PRESEVATION OF CRUDE DRUGS
Cultivation of medicinal plants requires intensive care and management.
The conditions and duration of cultivation required vary depending on the quality of medicinal plant materials required.
In this presentation you will come about to know the various tissue culture practices which is present to eradicate the diseases which occurs in plants.
Much faster rates of growth can be induced in vitro than by traditional means.
Multiplication of plants which are very difficult to propagate by cuttings or other traditional methods.
Production of large numbers of genetically identical clones in a short time
Seeds can be germinated with no risk of damping off/ predation.
Under certain conditions, plant material can be stored in vitro for considerable periods of time with little or no maintenance
Tissue culture techniques are used for virus eradication, genetic manipulation, somatic hybridization and other procedures that benefit propagation, crop improvement, and basic research.
By means of tissue culture it is possible to produce pathogen free plantlets by mass multiplication in a very limited amount of area from a very small sterile part of a mother plant. This method is also used to produce/ multiply plants that are to be transported across national border and so for their faster multiplication.But the establishment of a tissue culturing unit needs huge financial investments, skilled labors/technicians and required areas for its establishment are major constraints. Plant tissues grow and multiply in the labs only when there is an uncompetitive, growing condition with uninterrupted supply of nutrients.
Medium:
It contains all the elements that contribute the required nutrients that aid to the growth of the tissues; it is in liquid state or semi-solid in nature. The tissues are grown on the media. It consists of 95% of water, major and minor nutrients, plant growth hormones, vitamins, sugar rich compounds and chelating agents.
Totipotency:
It is the ability of a tissue or an organ of a plant to produce the whole plant, under the optional laboratory conditions and this is called as Totipotency. This is the baseline over which plant tissue culture relies upon.
Callus Culture:
When the cells divide into an undifferentiated mass it is called as callus. Any part of a plant can be used to produce the calli. It may be a stem, leaf, meristem or any other part. It is used to produce variations among the plantlets.
Suspension culture:
The callus produced from the explants are grown on nutrient solutions (that are semi solid) for a period of time and they are induced to produce plants with new traits.
Embryo Culture:
The method of culturing mature and immature embryos in media is called embryo culture. By this method, it is possible to produce plants from dormant seeds and seeds with metabolites that inhibit germination. This method is very important in crop improvement programs.
Somatic Embryogenesis:
When the plants are grown on nutrient media, calli are formed. When these calli are subjected to growth in cytokinin medium, somatic embryos are formed. They are circular, elongated,
Single cell culture
• As stated earlier, cells derived from a single cell through mitosis constitute a clone and the process of obtaining clones is called cloning (asexual progeny of a single individual make up.
MEDICINAL PLANT BIOTECHNOLOGY UNIT 2, MPG, SEM 2. NOTES Different tissue culture techniques: Organogenesis and embryogenesis, synthetic seed and monoclonal variation
Protoplast fusion, Hairy root multiple shoot cultures and their applications.
Micro propagation of medicinal and aromatic plants.
Sterilization methods involved in tissue culture, gene transfer in plants and their applications.
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2. Tissue culture
Tissue culture is the growth of tissues or cells separate
from the organism. This is typically facilitated via use
of a liquid, semi-solid, or solid growth medium, such
as broth or agar.
or
Tissue culture is a device that helps us to produce new
saplings from the cells of plants
3. Applications
Plant tissue culture is used widely in the plant sciences, forestry,
and in horticulture. Applications include:
The commercial production of plants used as potting,
landscape, and florist subjects, which uses meristem and shoot
culture to produce large numbers of identical individuals.
To conserve rare or endangered plant species.
A plant breeder may use tissue culture to screen cells rather
than plants for advantageous characters, e.g. herbicide
resistance/tolerance.
Large-scale growth of plant cells in liquid culture in bioreactors
for production of valuable compounds, like plant-derived
secondary metabolites and recombinant proteins used as
biopharmaceuticals.
To cross distantly related species by protoplast fusion and
regeneration of the novel hybrid.
4. To cross-pollinate distantly related species and then
tissue culture the resulting embryo which would
otherwise normally die.
Certain techniques such as meristem tip culture can be
used to produce clean plant material from virused
stock, such as potatoes and many species of soft fruit.
Production of identical sterile hybrid species can be
obtained.
5. Advantages
1.To produce many copies of the same plants then which
may be used to produce plants with better flowers,
odors, fruits or any other properties of the plants that
are beneficial to the human beings.
2.To produce plants anytime we want although the
climates are not appropriate to produce a plant.
Moreover, if seed is not available, it is possible to
produce a plant with this method.
3.If there is plant with partially infected tissue, it is
possible to produce a new plant without infection.
6. 4.Very helpful in the genetically modified organism
studies.
5.Very useful solution for the prevention of starvation
in third world countries since the process id highly
efficient, by using only one plant, it is possible to
produce more than one thousand of the same plant
with higher productive if its genome changed.
7. Disadvantages
1.If large scale production is being thinking, the costs of
the equipments are very expensive.
2.The procedure is very variable and it depends on the
type of the species so sometimes it needs trial-and-error
type of experiments if there is not any review about that
species. 3.The procedure needs special attention and
diligently done observation.
4.There may be error in the identity of the organisms
after culture.
5.Infection may continue thorough generations easily if
possible precautions are not taken
6.Decrease genetic variability.