CONTENTS:-
Part 1: Plant virology and potato virus
1. Characterization and identification of potato viruses and viroids.
2. Purification.
3. Physical and chemical properties.
4. Serology.
5.Biological properties
Part 2: Virus, Viroids, mycoplasmas and diseases with a virus -like aetiology
6. Survey of properties and symptoms.
Part 3: Viruses and potatoes
7. Virus translocation and mature plant resistance in potato plants.
8. Spread of viruses in potato crops.
9. Yield reduction in relation to virus infection.
10. Therapy of individual plants.
11. Breeding of resistance.
12. Control of virus spread.
Part 4: Production of seed potatoes
13. Growing seed potatoes.
14. Inspection and grading.