Measures to Control Jassids in Okra

Jassids, also known as leafhoppers, are small, sap-sucking insects that belong to the family Cicadellidae. They are found all over the world and are considered to be major pests of a wide range of crops. Jassids are small, sap-sucking insects that can be a serious pest for okra plants. They are wedge-shaped, greenish-yellow in color, and have a pair of black spots on their head. Jassid nymphs are green and translucent. Both adults and nymphs walk diagonally.

• Type of Infestation: Pest
• Common Name: Jassids
• Causal Organism:  Amrasca devastans
• Affected Parts Of the plant: Leaves, fruit, Stem

 Identification:

•  Size: Typically around 2-3 mm long, but can vary depending on the species.
• Shape: Slender, wedge-shaped body with prominent eyes.
• Color: Usually green or yellow, but some species can be brown, black, or even brightly colored.
• Wings: Transparent wings that fold flat over their back when resting.

Environmental favorable factors for pests/Diseases:

• Temperature: Jassids are warm-blooded insects and prefer temperatures between 20-30°C (68-86°F) for optimal development and activity.
• Humidity: Dry conditions reduce the chance of fungal diseases that can harm jassids and allow them to move more freely on the plant.

 

Symptoms of Pest/Disease:

•  Yellowish stippling: Tiny yellow dots appear on the upper surface of leaves, marking the feeding sites of jassids.
• Stunted growth: Less common, but jassid feeding on tender stems can hinder the overall growth of the plant.
• Dieback: In severe cases, stem feeding can lead to dieback of branches or even the entire plant.

Measures to control Pests/Diseases:

Products	Technical Names	Dosages
Chakrawarti	Thiamethoxam 12.6 % lambda cyhalothrin 9.5 % zc	80 ml per acre
Thioxam	Thiamethoxam 25 % wg	200 g/ha
Imd-178	Imidacloprid 17.8 % SL	100 -150 ml per acre
K - Acepro	Acetamiprid 20 % SP	60 to 80 grams per acre
IMD-70	Imidacloprid 70 % WG	2-3gms per 15 ltr water