Plant Tissue Culture

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Plants responses under Low Temperature Stress

The plants can be classified into three broad categories on the basis of their response to the low temperature conditions. Chill Sensitive Plants: These plants are seriously injured by temperature above 0°C, below 15°C. Chill Resistant Plants: These plants are able to tolerate low temperature but get seriously injured when ice start to form in [...]

By | 2018-05-11T09:49:40+00:00 May 11th, 2018|Plant Tissue Culture|Comments Off on Plants responses under Low Temperature Stress

Responses of a plant against Abiotic Stress

If a plant is said to have an abiotic problem, it is not being affected by something living like pests, fungi, bacteria or viruses. Common factors causing abiotic injuries include water, sun, temperature, wind, soil, chemicals, contact and nutrients. For example, two branches can cross on a tree. If one branch moves, it may start [...]

By | 2018-05-10T11:17:09+00:00 May 10th, 2018|Plant Tissue Culture|0 Comments

Establishment of symmetry in plants

Meristematic Plant Development Phyllotaxis is known as the study of plant patterns. Diversity is present, still similar patterns can be observed in many different types of plants. A common pattern consists of two sets of spiral that form a lattice i.e., observed in the stamens and carpels of flowers, the florets of compound flowers, the [...]

By | 2018-05-10T10:31:09+00:00 May 10th, 2018|Plant Tissue Culture|Comments Off on Establishment of symmetry in plants

Leaf development

Leaves are lateral outgrowth of a plant shoot which are initiated by the shoot meristem. They have finite growth, are vascularized and usually photosynthetic. Embryonic development After zygote formation, the embryo is formed inside the seed which leads to embryonic leaves and shoot apical meristem after germination. The embryonic leaves are known as cotyledons. In [...]

By | 2018-05-08T11:31:39+00:00 May 8th, 2018|Plant Tissue Culture|Comments Off on Leaf development

Plant shoot tip preservation

The cryopreservation of plant cell culture followed by the regeneration of plants broadly involves the following stages 1. Development of sterile tissue cultures 2. Addition of cryoprotectants and pretreatment 3. Freezing 4. Storage 5. Thawing 6. Re-culture 7. Measurement of survival/viability 8. Plant regeneration. Development of sterile tissue culture: The selection of plant species [...]

By | 2018-05-08T04:06:46+00:00 May 7th, 2018|Plant Tissue Culture|Comments Off on Plant shoot tip preservation

Plants’ reaction to stress

Chemical stresses are either endogenous or exogenous. Endogenous Chemical Stress is the one, which are created inside our bodies. They are the result of improper diet or improper food combining. Toxins from outside the body are referred to as exogenous chemical stress. These are chemicals like food additives, pollution and drugs. They all have some [...]

By | 2018-05-04T11:51:55+00:00 May 4th, 2018|Plant Tissue Culture|Comments Off on Plants’ reaction to stress

Secondary Metabolites

These also known as secondary products or natural products, these are organic compounds that are not directly involved in the normal growth, development or reproduction of organisms and are not directly involved with photosynthesis, respiration, solute transport, translocation, protein synthesis, nutrient assimilation, or differentiation, or the formation of carbohydrates, proteins and lipids. Unlike primary metabolites, [...]

By | 2018-05-04T11:10:18+00:00 May 4th, 2018|Plant Tissue Culture|Comments Off on Secondary Metabolites

Transpiration

It is the loss of water in the form of vapours from the living tissues of aerial parts of plant is termed as transpiration. This physiological phenomenon occurs in plants and living cells are involved in it. Various factors influence this process such as CO2, pH, hormones etc. Types of Transpiration Stomatal Transpiration This [...]

By | 2018-05-07T11:59:06+00:00 May 3rd, 2018|Plant Tissue Culture|Comments Off on Transpiration

Plant development

Arabidopsis thaliana is the developmental model organism. In plants, there is no special germ line in the embryo and germ cells arise from somatic cells during post-embryonic development, although they all appear to arrive from single cell layer. The plant embryo compromises two organ systems Embryonic axis: It gives rise to seedling. Cotyledons, either [...]

By | 2018-05-04T04:30:56+00:00 May 3rd, 2018|Plant Tissue Culture|Comments Off on Plant development

Organogenesis in plants

Organization of shoot apical meristem (SAM): These are the small living cells, which retain the capacity of cell division. Shoot apical meristem has embryonic characteristics. The shoot apical meristem is the functional unit of the shoot apex, it consists of apical meristem along with primordia. During differentiation of leaf primordial, shoot axillary meristem develops from [...]

By | 2018-05-02T12:03:06+00:00 May 2nd, 2018|Plant Tissue Culture|Comments Off on Organogenesis in plants

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