Optra is a systemic insecticide manufactured by Coromandel International.1 It contains Thiomethoxam 25% WG as its active ingredient.2 This insecticide belongs to the neonicotinoid group and is effective against a wide range of sucking pests in various crops.3
Key Features and Benefits:
Broad-spectrum activity: Controls sucking pests like aphids, jassids, whiteflies, thrips, and some soil insects.4
Systemic action: Absorbed by the plant and transported acropetally (upwards) through the xylem, providing protection from within.5
Fast action: Provides quick knockdown of target pests.
Long residual activity: Offers extended control, reducing the need for frequent applications.6
Rainfastness: Relatively rainfast, providing continued protection even after rainfall.7
Safe for beneficial insects: Considered safe for many beneficial insects, making it suitable for IPM programs.8
Mode of Action:
Optra works by interfering with the nerve impulse transmission in insects.9 It binds to specific receptors in the insect nervous system, causing overstimulation and ultimately leading to paralysis and death.10
Targeted Pests:
Optra is effective against a wide range of sucking pests, including:
Aphids11
Jassids12
Whiteflies13
Thrips14
Green leafhopper15
Whorl maggot16
Stem fly
Application:
Optra can be applied through various methods, including:
Foliar spray17
Seed treatment
It's crucial to follow the recommended application rates and guidelines provided on the product label for optimal efficacy and to avoid phytotoxicity.
Recommended Crops:
Optra can be used on various crops, including:
Cotton18
Rice19
Chilli20
Vegetables (e.g., tomato)21
Pulses22
Safety Precautions:
Always wear appropriate personal protective equipment (PPE) when handling and applying Optra.
Avoid contact with skin, eyes, and clothing.
Do not inhale the spray mist.
Keep out of reach of children and animals.
Store in a cool, dry place away from direct sunlight and heat.
Important Note: Always refer to the product label for specific instructions, recommended crops, application rates, and safety precautions.