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1. VEER KUNWAR SINGH COLLEGE OF AGRICULTURE
COURSE TITTLE:-MICRO-PROPAGATION TECHNOLOGIES
COURSE CODE:-AHT-311
SUBMITTED TO:- SUBMITTED BY:-
NANDITA MAM NAME:-RISHU RAJ
DR.PAWAN SUKLA ROLLNO.-54/VKSCOA/2021-22

2. Advantages of plant tissue culture
1. The plantlets are obtained in a very short time with a small amount
of plant tissue.
2. The new plants produced are disease-free.
3. The plants can be grown throughout the year, irrespective of the
season.
4. A large space is not required to grow plants by tissue culture
technique.
5. The production of new varieties in the market place speeds up.
6. This technique is being used for the production of ornamental
plants such as dahlia, chrysanthemum, orchids, etc.

3. TYPES OF PLANT TISSUE
CULTURE

4. Types of tissue culture
Callus culture: Callus culture may be defined as production and maintenance of an unorganized mass of
proliferative cell from isolated plant cell, tissue or organ by growing them on artificial nutrient medium in glass vials
under controlled aseptic conditions.
Organ culture: That may allow differentiation and preservation of the architecture. The organ culture refers to the in
vitro culture and maintenance of an excised organ primordial or whole or part of an organ in way and function.
Single cell culture: Single cell culture is a method of growing isolated single cell aseptically on nutrient medium
under controlled condition.
Suspension culture: Suspension culture is a type of culture in which single cell or small aggregates of cell multiply
while suspended in agitated liquid medium. Suspension cultures are used in induction of somatic embryos and
shoots, production of secondary metabolites, in vitro mutagenesis, selection of mutants and genetic transformation
studies.
Embryo culture: Embryo culture may be defined as aseptic isolation of embryo (of different developmental stages)
from the bulk of maternal tissue of mature seed or capsule and in vitro culture under aseptic and controlledphysical
condition in glass vials containing nutrient semisolid or liquid medium to grow directly into plantlet.
Anther culture: Androgenesis is the in vitro development of haploid plants originating from potent pollen grains
through a series of cell division and differentiation.

5. Pollen culture: Pollen culture is the in vitro technique by which the pollengrains (preferably at the microscope
stages) are squeezed from the intact anther and then cultured on nutrient medium where the microspores without
producing male gametes.
Somatic Embryogenesis: Somatic embryogenesis is the process of a single or group of cells initiating the
development pathway that leads to reproducible regeneration of non zygotic embryos capable of germinating to
form complete plants.
Protoplast Culture: It is the culture of isolated protoplasts which are naked plant cells surrounded by plasma
membrane which is potentially capable of cell wall regeneration, cell division, growth and plant regeneration on
suitable medium under aseptic condition
Shoot tip and Meristem culture: The tips of shoots (which contain the shoot apical meristem) can be cultured in
vitro producing clumps of shoots from either axillary or adventitious buds. This method can, be used for clonal
propagation.
Explant Culture: There are variety of forms of seed plants viz., trees, herbs, grasses, which exhibit the basic
morphological units i.e. root, stem and leaves. Parenchyma is the most versatile of all types of tissues. They are
capable of division and growth.

7. Types OF PLANT TISSUE CULTURE
Embryo culture 1.Shortening breeding cycles
2. Overcoming incompatibility
3.Overcoming seed dormancy and self sterility of seeds
4.Production of monoploids
5. For development of callus culture
Meristem culture 1. Eliminating pathogens
2. Mass cloning of plants
3. Germplasm collection
4.Cryopreservation
5.Facilitation of international exchange
6.Phytosanitary transport

8. Callus culture 1. Cloning of plants
2.Creation of genetic variants
3.Elimination of pathogens
4.Source of protoplasts
5.Production of secondary metabolites
6.For mutagenic studies
Anther culture 1.Production of homozygotes
2.Mutation induction
3.Production of haploids
Protoplast culture 1.Somatic hybridization
2.Transformation studies
3. Production of organelle recombinants
4.Transfer of CMS (cytoplasmic male sterility in elite
lines)
5. Creation of genetic variants

9. Seed culture 1.Increasing efficiency of germination in seed which are
difficult to germinate
in vitro.
2.Precious germination by application of plant growth
regulators
3.Induction of multiple shoot formation and organogenesis by
the
application of plant growth indicator
4.Elimination of viruses as seeds do no carry viruses
Ovary/ovule culture 1.Production of haploid plants
2.Achieving in vitro fertilization
3.Recovery of hybrid embryos
4.overcoming embryo abortion at early stages of
development of zygote
due to incompatibility

10. Organ Culture 1.Production of distant hybrids avoiding style and stigmatic
incompatibility that
inhibits pollen germination and pollen tube growth
2. Production of transgenics by infecting exogenous DNA in
gametes and
zygotes.
Somatic Embryogenesis 1.Production of artificial seeds
2. Mass multiplication of germplasm
3. For genetic transformation
Organogenesis 1. Conservation of endangered genotypes at normal or
minus zero
temperatures.
2.Mass multiplication of germplasm
Cell culture and in vitro selection at cellular level 1. Over production of secondary metabolites
2.Over production of primary metabolites
3.Induction and selection of useful mutants in less time
and space

11. Application of plant tissue culture
I. Crop improvement
II. Horticulture
III.Synthetic seeds production
IV.Forestry
V. Propagation of rare plant
VI.Shortening of breeding cycle
VII.Production of disease-free plants