Notes
Propagation and Nursery Management for Fruit Crop | 1st Year
Unit 1.
Introduction, life cycles in plants, cellular basis for propagation, sexual propagation, apomixis, polyembryony, chimeras. Principal factors influencing seed germination of horticultural crops, dormancy, hormonal regulation of germination, and seedling growth.
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Unit 2.
Seed quality, treatment, packing, storage, certification, testing. Asexual propagation - rooting of soft and hard wood cutting, under mist by growth regulators. Rooting of cuttings in hotbeds. Physiological, anatomical and biochemical aspects of root induction in cuttings. Layering - principle and methods.
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Unit 3.
Budding and grafting - selection of elite mother plants, methods. Establishment of bud wood bank, stock, scion and inter stock, relationship- Incompatibility. Rejuvenation through top working - Progeny orchard and scion bank.
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Unit 4.
Micro-propagation - principles and concepts, commercial exploitation in horticultural crops. Techniques - in vitro cional propagation, direct organogenesis, embryogenesis, microgratting, meristem culture. Hardening, packing and transport of micro-propagules.
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Unit 5.
Nursery - types, structures, components, planning and layout. Nursery manageinent practices for healthy propagule production.
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