Hi Siddhart,
The major disease caused in Taro is the Taro leaf blight is caused by the fungus Phytophthora colocasiae. To prevent this disease prophylactic agronomic methods that are to be adopted are
1. choose disease free planting material.
2.Planting at high density
3. Intercropping rather than taro sole cropping.
4. Crop Rotation.
The organic control will be seed treatment with rhizobium culture.
Colocasia(TAro) blight can be controlled by spraying ziram, zineb, mancozeb or copper oxychloride formulations at 2 g/l of water (1 kg/ha). For controlling serious infestation of aphids, apply dimethoate or monocrotophos at 0.05%. Leaf feeders can be controlled by applying malathion or carbaryl .
Regards
Ashwini S
