Diseases of turmeric in India

Diseases	Causal organism	Crop stage infected	Management
Rhizome and root rot	Pythium aphanidermatum P. graminicolum	All stages	Seed treatment: Ridomil MZ at 2.5 g/L for 40 min and soil drenching at 0.1 g/L In Field: Drenching with any one of the following 1)  Mancozeb (75 WP) 25 g/L 2)  Captan (50 WP) 10 g/l 3)  COC (50 WP) 25 g/L
Leaf blotch / Taphrina leaf spot	Taphrina maculans	2-3 months after planting	Spraying with any one of the following 1)  Mancozeb (75 WP) 25 g/L 2)  COC (50 WP) 25 g/L
Colletotrichum leaf spot	Colletotrichum capsici	2- 4 months after planting	Spraying with any one of the following 1)  Mancozeb (75 WP) 25 g/L 2)  COC (50 WP) 25 g/L 3)  Carbendazim (50 WP) 10 g/L
Brown rot ( Nematode- fungal complex)	Pratylenchus sp. & Fusarium sp.	All stages	Soil application of Carbofuran 3 G (33.3 kg/ha) at 3rd & 5th months after planting followed by irrigation.
Leaf spot	Cercospora curcumae	All stages
Dry rot	Rhizoctonia bataticola	Rhizome maturation
Leaf blight	R. solani	All stages

 

Cut worms on banana

Young larvae feed by scrapping the leaves surface

Later on feed voraciously at night on the foliage.

Management of cut worm (Spodoptera litura) 

Hank pick and destroy the caterpillar

Collect and destroy the damaged plant parts

Summer ploughing to expose to the pupae

Use light trap 1/ha

Spray application of  chlorphyriphos and monocrotophos