To meet the demands of society, the in vitro production of a large number of plantlets in a short duration practised in the floriculture and horticulture industry is calleda)Hybridoma technologyb)Somatic hybridisationc)Micropropagationd)Somaclonal variationCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

Micropropagation is a type of vegetative propagation of plants in tissue culture. In this propagation the plantlets of plants growing in tissue culture in vitro condition and then growing them out.

Answer

Producing many plants from a explant is called micropropagation

Answer

Micropropagation is a plant tissue culture technique used for the production of plantlets, in which the culture of aseptic small sections of tissues and organs in vessels with a defined culture medium and under controlled environmental conditions.

Answer

Micropropagation is the in vitro production of a large number of plantlets in a short duration, which is widely practiced in the floriculture and horticulture industry. It involves the multiplication of plants by tissue culture methods, where small pieces of plant tissue (explants) are cultured on artificial nutrient media under controlled conditions.

Advantages of Micropropagation:
1. Rapid multiplication: Micropropagation allows the production of a large number of plantlets in a short duration. This is advantageous for meeting the high demand for plants in the floriculture and horticulture industry.

2. Maintenance of genetic uniformity: Micropropagation ensures the production of genetically identical plantlets that are true-to-type. This is important for maintaining desirable traits in plants, such as disease resistance, flower color, or fruit quality.

3. Disease-free production: Through micropropagation, plants can be produced in a sterile environment, free from pathogens and diseases. This helps in the production of healthy and disease-free plantlets.

4. Conservation of rare and endangered plants: Micropropagation plays a crucial role in the conservation of rare and endangered plant species. By multiplying plants in vitro, it helps to preserve genetic diversity and prevent the extinction of these species.

Steps involved in Micropropagation:
1. Selection of explants: The first step is to select suitable explants, which can be shoot tips, axillary buds, or leaf sections. These explants should be healthy and free from any diseases.

2. Sterilization: The explants are then surface sterilized to eliminate any contaminants. This is usually done by treating them with disinfectants like bleach or alcohol.

3. Establishment of cultures: The sterilized explants are placed on a nutrient medium containing essential nutrients, vitamins, and plant growth regulators. The cultures are incubated under controlled conditions of temperature, light, and humidity.

4. Multiplication: After the explants have established on the nutrient medium, they start to multiply and form new shoots. The multiplication stage involves the regular sub-culturing of the shoots onto fresh media to promote further growth and multiplication.

5. Rooting: Once an adequate number of shoots are obtained, they are transferred to a rooting medium that contains plant growth regulators to induce root formation.

6. Acclimatization: The rooted plantlets are then transferred to a soil-based medium or pots to acclimatize them to natural conditions. This step is crucial to ensure the survival of the plantlets when transferred to the field or greenhouse.

In conclusion, micropropagation is a technique used in the floriculture and horticulture industry to meet the demands of society. It allows the rapid multiplication of plants in a sterile environment, ensuring genetic uniformity and disease-free production. This technique plays a significant role in the conservation of rare and endangered plant species and has revolutionized the production of plants on a large scale.

Similar NEET Doubts

Which one of the following is a case of wrong matching?

which case is wrong matched?1. Micropropogation- in vitro production of plants in large no.2. callus- unorganized mass of cells produced in tissue culture3. somatic hybridization- fusion of two diverse cells4. vector dna- site for t-dna synthesis

Which one of the following is a case of wrong matching[2012]

Which one of the following is a case of wrong matching?

The technique of obtaining large number of plantlets by tissue culture method is called[2004]

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