1. How to Use the Insecticide

Application rate

Depending on crop and pest pressure, the typical dosage is:

• 0.5 – 1.0 L/ha

• Recommended mixing rate: ~20–30 ml per 25-L knapsack sprayer (refer to product label)

Timing of application

• Spray when early-instar larvae (1st–2nd instar) are detected,
  
  or when pest population begins to increase.

• Early spraying ensures optimal efficacy.

Spraying technique

• Spray thoroughly on stems, leaves, and especially the underside of leaves (where pests hide).

• Do not spray before rain or during strong winds.

• Recommended spray volume: 400–600 L/ha.

Safety precautions

• Wear protective clothing, gloves, mask.

• Avoid contact with skin and prevent contamination of household water sources.

2. Technical Information on Fenobucarb + Imidacloprid

Fenobucarb (BPMC) – 425 g/L

• Chemical group: Carbamate

• Mode of action: Contact and stomach poison, fast-acting

• Controls: Brown planthopper, leafhoppers, and several sucking insects

Imidacloprid – 35 g/L

• Chemical group: Neonicotinoid

• Mode of action: Systemic, contact, and stomach poison

• Strongly effective against:

  • Brown planthopper

  • Green leafhopper

  • Thrips

  • Aphids

Advantages of the combination

• Fast knockdown + long-lasting residual effect

• Controls both adults and nymphs

• Reduces risk of resistance due to different modes of action

3. Benefits of Fenobucarb + Imidacloprid Insecticide

Rapid knockdown – complete elimination

• Fenobucarb provides quick action within hours.

• Imidacloprid’s systemic movement kills hidden insects under the leaves.

Long residual control

• Protects crops for 7–14 days, reducing reinfestation.

Helps reduce the risk of virus transmission

• Lower pest density → reduced chance of rice virus spread (e.g., grassy stunt, ragged stunt).

Rainfastness

• Imidacloprid’s systemic nature reduces washing off.

Crop safety

• Safe for rice when used as recommended.

• Does not cause leaf burn or phytotoxicity.

4. Mode of Action

Fenobucarb – Cholinesterase Inhibitor

• Disrupts nerve transmission.

• Causes paralysis and rapid death.

• Strong contact effect → immediate action.

Imidacloprid – Nicotinic Acetylcholine Receptor (nAChR) Agonist

• Binds to insect nerve receptors.

• Disrupts nerve signaling → continuous feeding → death.

• Systemically translocated to new plant tissues.

Combined effect

• Fenobucarb: fast knockdown

• Imidacloprid: thorough and long-lasting control
  
  → Provides superior efficacy and lowers resistance development.

Safety Precautions When Using Insecticides

• Keep out of reach of children.

• Do NOT eat, drink, or smoke while handling the product; do not store the product together with food or beverages.

• When handling the pesticide:
  
  Avoid inhalation and prevent contact with eyes, nose, and skin.
  
  Wear appropriate personal protective equipment (PPE) such as protective clothing, gloves, mask, and safety goggles.

FOR TECHNICAL SUPPORT, PLEASE CONTACT

Thuan Thanh Phat Investment & Technology Joint Stock Company

HOTLINE: 0822.610.555

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