3.
(Grafting /Tissue culture) is a method used for large scale multiplication
to develop better variety of crops and to save endangered species of plants.
Answers
Answer:
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Explanation:
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Abstract and Figures
In the very fast developing scenario of biological science, the plant tissue culture has taken lead as the most promising areas of application of biotechnological tools for today and tomorrow agriculture. The areas ranges from micropropagation of horticultural crops, ornamental and forest trees etc., production of pharmaceutically important compounds, and plant breeding for improved nutritional value of staple crop plants, including trees for cryopreservation of valuable germplasm. The rapid production of high quality, disease free and uniform planting stock is only possible through micropropagation. Plant production can be carried out throughout the year irrespective of season and weather. However micropropagation technology is expensive as compared to conventional methods of propagation by means of seed, cuttings and grafting etc. Therefore, it is essential to adopt measures to reduce cost of production. Low cost production of plants requires cost effective practices and optimal use of equipment to reduce the unit cost of plant production. It can be achieved by improving the process efficiency and better utilization of resources. Use of 'Bioreactor' in plant propagation can increase the speed of multiplication and growth of cultures and reduce space, energy and labor requirements. The cost of production may also be reduced by selecting several plants that provide the option for around the year production and allow cost flow and optimal use of equipment and resources. Quality control is also very essential to assure high quality plant production and to obtain confidence of the consumers. The selection of explant source, diseases free material, authenticity of variety and elimination of somaclonal variants are some of the most critical parameters for ensuring the quality of the planting materials. The in vitro culture has a unique role in sustainable and competitive agriculture, forestry and pharmaceutical industry and has been successfully applied in plant breeding for rapid introduction of improved plants
Answer:
Grafting is right answer according to me