Seed plot technique of potato
- It is a technique of multiplication of disease-free( virus-free) seed in Northern plains of country.
- Developed by Pushkarnath in 1967.
- Nucleus seed of potato is produced from April to August when the aphid population is low in hills. As viruses are transmitted by aphids.
- After that these potatoes are brought to plains and are stored in cold-storage for planting the seed crop in October.