Symptoms

Sesame

Symptoms Floral parts transformed into green leafy structure – Phylloid structure Small leaves and malformed flowers cluster at the top and the flower become sterile Stamens leaf like, anthers green and ovary transformed into shoot like structure Plants with reduced internodes and gives bushy appearance. Identification of pathogen Vector Jassid – Orosius albicinctus Favourable Conditions High relative humidity (> 85%) Heavy rainfall Low temperature (20-25ºC) Mode of Spread and Survival Transmitted by jassids- Orosius albicinctus Management Remove and destroy infected plants. To control vector, spray NSKE @ 5% or neem oil @ 2% Seed treatment with imidacloprid 600 FS @ 7.5ml/kg Spray Quinalphos 25 EC 800 ml/ac or thiamethoxam 25WG @ 40 g/ac or imidacloprid 17.8SL @ 40 ml/ac. Intercropping of Sesamum + Redgram (6:1).

Floral parts transformed into green leafy structure – Phylloid structure
Small leaves and malformed flowers cluster at the top and the flower become sterile
Stamens leaf like, anthers green and ovary transformed into shoot like structure
Plants with reduced internodes and gives bushy appearance.

Identification of pathogen

Vector Jassid – Orosius albicinctus

Favourable Conditions

High relative humidity (> 85%)
Heavy rainfall
Low temperature (20-25ºC)

Mode of Spread and Survival

Transmitted by jassids- Orosius albicinctus

Management

Remove and destroy infected plants.
To control vector, spray NSKE @ 5% or neem oil @ 2%
Seed treatment with imidacloprid 600 FS @ 7.5ml/kg
Spray Quinalphos 25 EC 800 ml/ac or thiamethoxam 25WG @ 40 g/ac or imidacloprid 17.8SL @ 40 ml/ac.
Intercropping of Sesamum + Redgram (6:1).