/Tag: Plants

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+00:00May 10th, 2018|Plant Tissue Culture|0 Comments

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+00:00May 8th, 2018|Plant Tissue Culture|Comments Off on Leaf development

Structure, function and mechanism of action of phytochromes

Structure, function and mechanism of phytochrome was discovered by Borth wick et al in 1952. Phytochromes are amorphous photoreceptors chromoprotein and are sensitive to red light. It is found in almost all eukaryotic plants and exists in two forms mainly cytosol associated Pr or P660 and membrane associated Pfr or P730. Pr absorbs light at [...]

By |2018-04-13T10:58:57+00:00April 13th, 2018|Plant Tissue Culture|Comments Off on Structure, function and mechanism of action of phytochromes

The classification system

Important criteria used for classification in each taxon The taxonomic system of classification is composed of a hierarchy that is the series of ranks. Hierarchy shows the blood relationship of present day organisms and also, when possible, ancestor-descendant relationships. The lower the rank of a taxon, the more similarities is possessed by its members. [...]

By |2018-04-06T09:53:35+00:00April 6th, 2018|Molecular Biology|Comments Off on The classification system

Scope and Training of Plant Tissue Culture

Plant tissue culture broadly refers to the in vitro cultivation of plants, seeds and various parts of the plants (organs, embryos, tissues, single cells, protoplasts). Plant tissue culture is one of the most rapidly growing areas of biotechnology because of its high potential to develop improved crops and ornamental plants. With the advances made [...]

By |2018-03-26T12:13:28+00:00March 5th, 2018|Plant Tissue Culture|Comments Off on Scope and Training of Plant Tissue Culture


Cryopreservation means preservation in the frozen state. The principle involved in cryopreservation is to bring the plant cell and tissue cultures to a zero metabolism or non-dividing state by reducing the temperature in the presence of cryoprotectants. Cryopreservation broadly means the storage of germplasm at very low temperatures: Over solid carbon dioxide (at -79°C) [...]

By |2018-05-07T12:07:51+00:00February 20th, 2018|Plant Tissue Culture|Comments Off on Cryopreservation

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