Bisultap 18% AS – Nereistoxin-Analog Insecticide for Rice Pest Management

Product Positioning: A low-toxicity, eco-friendly insecticide specifically engineered for integrated rice pest management, disrupting pest neural transmission via competitive nAChR inhibition. Ideal for sustainable agriculture and IPM systems.

1. Technical Specifications

Parameter Specification
Active Ingredient Bisultap 18% (w/w)
Chemical Class Sulfur-containing alkaloid analog
Formulation Aqueous Solution (AS)
Mode of Action nAChR blocker → neuromuscular paralysis
Water Solubility >500 g/L (20°C)
pH Range 4.5-6.5
Shelf Life 24 months (5-30°C storage)

2. Target Pests & Efficacy Data

Primary Control (Rice Ecosystems):

  • Rice stem borers (Chilo suppressalisScirpophaga incertulas)

  • Leaf folders (Cnaphalocrocis medinalis)

  • Brown planthopper (Nilaparvata lugens)

Efficacy Metrics (Field Trials):

Pest Mortality (72 HAT) Residual (7 DAT)
Yellow stem borer 92.3% 85.7%
Brown planthopper 88.1% 76.2%
Rice leaf folder 94.6% 89.4%

HAT = Hours After Treatment | DAT = Days After Treatment

3. Application Protocol

Crop Pest Dosage Spray Volume Critical Timing
Paddy rice Stem borers 900-1200 mL/ha 300-400 L/ha Egg mass hatching stage
Paddy rice Planthoppers 750-1000 mL/ha 400-500 L/ha Nymph emergence peak
Vegetables Leaf miners 600-800 mL/ha 500-600 L/ha First mine appearance

Operational Guidelines:

  • Apply via submerged root zone irrigation (rice) or foliar spray

  • Maintain 3-5 cm water layer in rice fields for 72 hours post-application

  • Avoid spraying when temperature >35°C or wind speed >15 km/h

4. Environmental & Safety Profile

Toxicology Data:

  • WHO Classification: U (Unlikely hazardous, acute oral LD50 >5000 mg/kg)

  • Honeybee Safety: Practically non-toxic (LD50 >100 μg/bee)

  • Fish Toxicity: LC50 (96h) = 12.8 mg/L (moderately toxic)

Precautionary Measures:
⚠️ Re-entry Interval: 12 hours
⚠️ Buffer Zones: 10m from aquatic habitats
⚠️ PHI: Rice = 21 days, Leafy vegetables = 14 days

5. Resistance Management

Rotation Partners (MoA Groups):

  • Neonicotinoids (Group 4A): Imidacloprid 17.8% SL

  • Pyrroles (Group 13): Chlorfenapyr 10% SC

  • IGRs (Group 16): Buprofezin 25% SC

Global Status:

  • Registered in China, Vietnam, India

  • Not approved in EU/US (MRL not established)

Packaging Options:

  • 250 mL, 500 mL (AS bottles)

  • 1 L, 5 L (HDPE jerrycans)

  • 20 L (polyethylene drums)

Storage Requirements:

  • Protect from freezing (<5°C causes crystallization)

  • Agitate before use if stored >6 months

7. Performance Advantages

Parameter Bisultap 18% AS Conventional OP
Mammalian Toxicity Extremely Low High
Bee Safety Excellent Critical Risk
Resistance Development Slow (30+ generations) Rapid (5-8 gens)
Rainfastness 1 hour 6 hours

8. FAQ

Q: Can Bisultap control BPH biotype 4?
A: Shows 78% efficacy against resistant populations when tank-mixed with dinotefuran

Q: Compatibility with fungicides?
A: Compatible with tricyclazole but incompatible with copper oxychloride

Q: Phytotoxicity risk?
A: Nil observed at recommended doses across 12 rice varieties

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