Plant Tissue Culture Application. Development of superior cultivars. Germplasm storage Embryo rescue Ovule and ovary cultures Anther and pollen cultures Callus and protoplast culture Protoplasmic fusion Plant Genetic Engineering. Tissue Culture Applications. Micropropagation
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COMPARISON OF CONVENTIONAL & MICROPROPAGATION OF VIRUS INDEXED REGISTERED RED RASPBERRIES
Plants grow faster than viruses at high temperatures.
Viruses are transported from cell to cell through plasmodesmata and through the vascular tissue. Apical meristem often free of viruses. Trade off between infection and survival.
Adventitious shoots formed from single cells can give virus-free shoots.
Plant from the field
Pre-growth in the greenhouse
35oC / months
Development of hybrid plants through the fusion of somatic protoplasts of two different plant species/varieties
1. isolation of protoplast
2. Fusion of the protoplasts of desired species/varieties
3. Identification and Selection of somatic hybrid cells
4. Culture of the hybrid cells
5. Regeneration of hybrid plants
(Separartion of protoplasts from plant tissue)
2. Enzymatic Method
1. Mechanical Method
MicroscopeObservation of cells
Release of protoplasm
Cutting cell wall with knife
Collection of protoplasm
Leaf sterlization, removal of
(Fusion of protoplasts of two different genomes)
1. Spontaneous Fusion
2. Induced Fusion
Chemofusion- fusion induced by chemicals