498 Handbook of herbs and spices
spot diseases are sprayed with Mancozeb (2g/litre of water). Yields for CO1, CO2,
CO3, CO4 and Agrifound Red are 12–16 t/ha for a growing period of 65–90 days,
and 18 t / ha for a growing period of 90 days for CO On5. Bulbs are harvested
and cured in the field for four days (Fig. 30.4) and then under shade (Anonymous,
2005).
Fig. 30.2 Agrifound Red variety developed by NHRDF.Fig. 30.3 Comparison of Agrifound Red variety with traditional variety of potato onion with
leaves and bulbs at maturity stage.