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# Paper 2: Economic Botany and Plant Breeding (Course code: BOT502T) Credit:4 ## Course Outcomes 1. Know about the importance of medicinal plants and its useful parts, economically important plants in our daily life and also about the traditional medicines and herbs, and its relevance in modern t...

# Paper 2: Economic Botany and Plant Breeding (Course code: BOT502T) Credit:4 ## Course Outcomes 1. Know about the importance of medicinal plants and its useful parts, economically important plants in our daily life and also about the traditional medicines and herbs, and its relevance in modern times. 2. Understand the plant breeding systems and heterosis and mutation in plant breeding. ## Unit | Topic | No. of Lectures (60 hrs) ---|---|--- 1 | Origin of cultivated plants (concept of centres of origin, their importance with reference to vavilov's work) | 18 2 | A brief knowledge of botany and commercial utilization and uses of the following plants: | 12 * 1. Cereals and millets- Wheat, Rice and Maize, Ragi, Pearl millet * 2. Sugar yielding plants- Sugarcane and Sugar beet * 3. Fruits- Mango, Apple, Banana, Citrus and Litchi. * 4. Fibers- Cotton, Jute, Hemp, Coir, Agave and Semal. * 5. Vegetables- Root vegetables, stem vegetables and fruit vegetables. * 6. Timbers- Teak, Shisham, Sal, Chir and Deodar. * 7. Medicinal plants- Aconitum, Atropa, Cinchona, Rauwolfia, Ephedra, Withania, and Alovera. * 8. Oils, Beverages, Fumitories, masticatories, Spices and Condiments yielding plants. | 3 | Plant breeding (introduction and objectives; breeding systems, important achievements and undesirable consequences of plant breeding); methods of crop improvement; centres of origin and domestication of crop plants, plant genetic resources; acclimatization; selection methods. | 18 4 | Hybridization: for self, cross and vegetatively propagated plants procedure, advantages and limitations; inbreeding depression and heterosis (history, genetic basis of inbreeding depression and heterosis; applications); crop improvement and breeding (role of mutations; polyploidy; distant hybridization and role of biotechnology in crop improvement). | 12 ## Suggested readings * Kochhar, S.L. (2011). Economic Botany in the Tropics, MacMillan Publishers India Ltd., New Delhi. 4th edition. * Pandey, B.P. (1999). Economic Botany. S. Chand, New Delhi. * Singh, B.D. (2005). Plant Breeding: Principles and Methods. Kalyani Publishers. 7th edition. * Acquaah, G. (2007). Principles of Plant Genetics and Breeding. Blackwell Publishing. **Botany UG (NEP)** **14** **KUN**