Subtropical and temperate climatic conditions are suitable. The crop performs well
under a temperature range of 27 – 30°C. It requires full exposure to sunlight and performs
well with long day conditions of 12 to 14 hour photoperiod.
120 kg N, 150 kg P2O5 and 150 kg K2O per hectare is recommended, of which 60 kg N and entire dose of P2O5 and K2O is applied as basal dose. The remaining N is given in two split doses, 30 and 60 days after planting.
Leaf spot: Foliar application of carbendazim @ 1 g/l or mancozeb @ 2 g/l Core or spongy rot: Foliar application of benomyl @ 1 kg/ha Bacterial scab blight and spots: Dipping the corms in 1:100 mercuric chloride solution for 12 hours before planting