Overview
ARBOK-Repeel-Cocoa is a selective pest-control technology adapted for cocoa plantation systems. It uses a patented multi-acid aqueous solution (Arbok-Repeel, a proprietary acid blend in water), produced from phosphate-plant industrial wastewater via the Arbok-Evaporation vacuum sublimation process, to disrupt the physical chemistry of the chitin coating on cocoa's principal insect pests. The action is non-lethal and behavior-driving: pests leave the treated zone within 3–6 hours and pest activity ceases within 24 hours. Because the mechanism targets the physico-chemistry of chitin and surface water rather than a specific neuro-enzyme, no insect resistance forms. Applied at fine mist (30–50 μm droplets) from drones or irrigation systems, Repeel costs about $27/ha per season (range $11–43) versus $150–300/ha for conventional chemistry, while addressing the insect-and-virus segment of biotic yield loss in cocoa (15–25% of potential yield). Critically, it deprives Cacao Swollen Shoot Virus (CSSV) of its primary courier — the mealybug — converting an epidemic-phase virus into a managed-phase virus.
Applications
Primary use cases:
• Suppression of cocoa mirid (Sahlbergella singularis) on West African plantations
• Control of cocoa pod borer (Conopomorpha cramerella) in Southeast Asia at oviposition phase
• Suppression of mealybug (Planococcus citri and relatives) as CSSV vector control
• Concurrent control of secondary chitin-armored pests on the same plantation
Typical scenarios:
• Provincial- or national-scale deployment in cocoa-growing belts (Ghana, Côte d'Ivoire, Cameroon, Nigeria, Indonesia, Malaysia)
• CSSV epidemic management: replacing tree-uprooting with vector suppression
• Integration with Arbok-URIA (local nitrogen) and Arbok-Potash (local potassium from biomass ash)
• Export-oriented cocoa under EU and USDA MRL compliance
Industries and users:
• National cocoa boards (Ghana COCOBOD, Côte d'Ivoire Conseil du Café-Cacao)
• Provincial agricultural extension services
• Large cocoa cooperatives and contract-farming operators
• Chocolate processors with sustainability and traceability programs
Scale:
• Pilot: 5,000–20,000 ha per province
• Full provincial deployment: 100,000–500,000 ha
• National deployment Côte d'Ivoire: ~4 million ha
• National deployment Ghana: ~1.6 million ha
• West African "cocoa duo" (Ghana + Côte d'Ivoire): ~5.6 million ha
• Plus Indonesia: ~1.5 million ha
Operating Principle
The system targets a specific entomological vulnerability — long-sedentary insects with piercing-sucking mouthparts and chitin armor — using a proprietary multi-acid aqueous solution (Arbok-Repeel; exact composition and recipe are Arbok know-how). The fine acid mist produces a sharp local pH shift on the chitin surface that the pest experiences as acute environmental stress, prompting it to vacate the treated surface within 3–6 hours. Plantation-wide pest activity ceases within 24 hours.
Key steps:
- Arbok-Repeel concentrate is produced upstream by Arbok-Evaporation vacuum sublimation of phosphate-plant industrial wastewater
- Concentrate is shipped in polymer containers to the cocoa-growing region
- On site, Repeel is diluted to working strength and loaded into ground sprayers or agricultural drone tanks
- Application as fine mist (30–50 μm droplets) at 1–1.5 m above canopy, settling on both leaf surfaces, on the pod, and on the bark; performed in evening and night hours
- Pests vacate within 3–6 hours; activity ceases within 24 hours; residual acid is buffered to water and neutral salts by soil and water within hours
Limitations:
• Fungal pathogens (Phytophthora black pod, Moniliophthora witches' broom) are not addressed — separate technology required
• Pest displacement to neighboring untreated plantations requires regional or national-scale deployment, not point-farm use
• Cocoa pod borer larvae inside the pod are unreachable; treatment must target the female at oviposition phase using pheromone-trap monitoring
• Cocoa-specific field validation pending; transfer from locust / termite / ladybug / Colorado-beetle / citrus-psyllid data is engineering adaptation
Key Parameters
|Parameter|Conventional chemistry|ARBOK-Repeel-Cocoa|
|—|—|—|
|Cost per hectare per season|$150–300|~$27 (range $11–43)|
|Droplet size|coarse (100–300 μm)|fine mist (30–50 μm)|
|Time to pest departure|days to weeks|3–6 hours|
|Time to full activity stop|days to weeks|24 hours|
|Insect resistance buildup|3–5 years per generation|none (physico-chemical mechanism)|
|Selectivity for pollinators|low|high (behavior- and timing-based)|
|Soil/water residue|persistent|neutralized by buffer in hours|
Typical operating values (Arbok-Evaporation production): ambient process temperature; low specific energy consumption per ton of feed; high heat recuperation; no catalysts, no heating, no membranes, no consumables; phosphate-waste feedstock cost near-zero (currently a disposal liability).
Yield-recovery economics:
• Average West African cocoa yield: 500–600 kg/ha commercial beans
• Repeel-recovered segment: 15–25% of potential yield (insect + CSSV-vector slice)
• Per-hectare mass recovered: 0.1–0.2 t
• Post-treatment yield: 600–800 kg/ha
• Per-hectare recovered value: $400–800 (baseline 2026), $600–1,200 (moderate 2027), $950–1,900 (shock 2027)
Architecture and Components
Core components:
• Arbok-Repeel concentrate supply (polymer containers, chemical-warehouse-grade storage)
• Dilution and dosing skid at the regional facility
• Drone fleet (standard agricultural drone models) for canopy spraying
• Ground sprayer fleet for accessible plots
• Pest-population and oviposition-phase monitoring (pheromone traps, IoT, drone surveillance)
Auxiliary systems:
• Operator PPE and acid-handling training package
• Application calibration and droplet-size verification equipment
• MRL sampling protocol for export-grade cocoa
Upstream (Arbok-Repeel production):
• Arbok-Evaporation vacuum-sublimation unit installed at the phosphate-plant site
• Logistics chain in polymer containers from phosphate-utilization regions to cocoa-growing regions
The on-field deployment is modular: a single mid-sized provincial program covers 100,000–500,000 ha with a regional Repeel stockpile and a fleet of drones or equivalent ground equipment sized to the program.
Advantages
Technical:
• No insect resistance forms — physico-chemical mechanism, not enzyme-targeted
• Selective for chitin-armored, long-sedentary pests; bees, butterflies, birds remain unaffected (behavior + timing + crop-pollination biology)
• Residual acid neutralized to water and neutral salts within hours
• Already validated on locusts, termites, harlequin ladybugs, Colorado beetle, Asian citrus psyllid
Economic:
• 5–10× lower per-hectare cost than conventional chemistry
• 15–30× ROI in baseline 2026 cocoa price scenario
• Up to 35–70× ROI in shock 2027 price scenarios
• Repeel feedstock is industrial waste with negative cost at source
Environmental:
• Zero-waste origin (phosphate-plant effluent diverted into Repeel)
• Buffered to safe compounds in field within hours
• No accumulation in soil or water
• Compatible with shaded agroforestry cocoa systems
Strategic:
• Independent of Persian Gulf supply chains (Repeel feedstock comes from phosphate-utilization geography)
• Disrupts the resistance-driven pesticide arms race
• Pairs with Arbok-URIA (local nitrogen) and Arbok-Potash (local potassium) for full input sovereignty
• Converts CSSV from explosive epidemic into managed background problem by killing the vector
Integrations
Compatible with:
• Existing cocoa-cultivation calendars and drone-spraying infrastructure
• Standard agricultural drone fleets and ground sprayer equipment
• Pheromone-trap and IoT pest-population monitoring
Synergies within the Arbok platform:
• Arbok-URIA — local urea and ammonium fertilizer production via vacuum concentration of liquid nitrogen-containing waste (sewage, biogas digestate, livestock effluent)
• Arbok-Potash — local potassium carbonate production via combustion of dry organic biomass (cocoa pod husks, palm pruning, coconut husks, leafage, seaweed), warm-water leaching, and vacuum crystallization
• Arbok-Evaporation — upstream Repeel production from phosphate-plant wastewater
Digital integration:
• Pest-population monitoring (drone surveillance, IoT pheromone traps)
• Oviposition-phase calendar synchronized with treatment windows for the cocoa pod borer
• MRL sampling and traceability for export-oriented producers
Deployment & Operation
Implementation steps:
• Provincial pest-population baseline mapping (mirid density, pod borer pheromone counts, mealybug/CSSV incidence)
• Repeel supply contract and logistics setup
• Drone or sprayer fleet provisioning
• Operator training and PPE deployment
• Oviposition and dry-period calendar integration
• First-cycle pilot followed by full provincial rollout
Operating conditions:
• Outdoor application in evening and night hours (selectivity for pollinators)
• Avoid spraying during heavy rain (washoff risk)
• Standard chemical-warehouse Repeel storage
Operation:
• Application crew per drone unit: 1 pilot + 1 ground operator
• Treatment regime: timed against pest oviposition and pod-filling phases
• Cycle frequency: 2–4 passes per season depending on pest pressure
Installation timeline:
• Stationary container-based processing infrastructure: 2–3 weeks
• Chassis-mounted mobile unit: 1–2 days
• Repeel logistics first inbound shipment: 4–6 weeks
• Regulatory clearance: 18–36 months in parallel with pilot operations
TRL
TRL 5 (confirmed by Michael). Agent (Arbok-Repeel) field-validated on related chitin pests; cocoa-specific field validation pending.
TRL scale:
- TRL 1 — basic principles observed
- TRL 2 — technology concept formulated
- TRL 3 — experimental proof-of-concept
- TRL 4 — validated in lab
- TRL 5 — validated in relevant environment ← ARBOK-Repeel-Cocoa
- TRL 6 — demonstrated in relevant environment
- TRL 7 — prototype in operational environment
- TRL 8 — system complete and qualified
- TRL 9 — proven in operational environment
Evidence:
• Field-validated operation on locusts, termites, harlequin ladybugs, Colorado beetle, Asian citrus psyllid
• Arbok-Evaporation vacuum-sublimation unit operating at industrial scale
• Arbok-Repeel formulation patented; recipe and sublimation regimes are know-how
Remaining steps:
• Field trials on Sahlbergella singularis, Conopomorpha cramerella, Planococcus citri
• Provincial pilot in a reference district in Côte d'Ivoire or Ghana
• Regulatory clearance under ECOWAS Pesticide Regulation, EU REACH, USDA MRL frameworks
Market Potential
Target industries:
• Cocoa agriculture (primary)
• Adjacent tropical perennials with chitin-armored pest pressure (oil palm, citrus, mango)
• Pest-control service operators in cocoa-exporting countries
Global market context:
• Global cocoa planted area: ~12 million ha
• Ghana + Côte d'Ivoire: ~60% of world production; with Cameroon + Nigeria: ~72%
• Côte d'Ivoire production: ~1.6 million tonnes/year (down from 2+ million)
• Ghana production: ~0.5 million tonnes/year (down from 1+ million)
• 2024–2025 exchange price peak: above $10,000/t; February 2026: $3,500–4,100/t
Addressable share:
• West African "cocoa duo" (Ghana + Côte d'Ivoire): ~5.6 million ha
• Indonesia (cocoa pod borer territory): ~1.5 million ha
• Aggregate recovered value at scenario: $2.2–10.6 billion/year for the duo; up to $1.6 billion/year for Indonesia
Typical Project Economics
Application cost: ~$27/ha per season (range $11–43)
Repeel concentrate supplier price: covered upstream by Arbok-Evaporation economics
Recovered yield: 0.1–0.2 t/ha (15–25% of potential)
Recovered value per hectare:
$400–800 (baseline 2026, $4,000/t)
$600–1,200 (moderate 2027, $6,000/t)
$950–1,900 (shock 2027, $9,000–10,000/t)
National aggregates:
• Côte d'Ivoire (4 million ha): $1.6–3.2 / $2.4–4.8 / $3.8–7.6 billion across scenarios
• Ghana (1.6 million ha): $0.6–1.3 / $1.0–1.9 / $1.5–3.0 billion across scenarios
• Combined duo: $2.2–4.5 / $3.4–6.7 / $5.3–10.6 billion
• Indonesia: up to $1.2–1.6 billion in shock scenario
ROI on Repeel:
• Baseline 2026: 15–30×
• Moderate 2027: 22–44×
• Shock 2027: 35–70×
Risk Factors
• Regulatory clearance pathway (ECOWAS Pesticide Regulation, EU REACH, USDA MRL — 18–36 months)
• Pest displacement to untreated neighboring plantations under sub-regional deployment
• Field-validation data on the three principal cocoa pests not yet completed (cocoa-specific TRL 7)
• Fungal pathogens (Phytophthora black pod, Moniliophthora witches' broom) outside Repeel's mechanism — separate solution required
• Operator training and PPE compliance for acid handling
• Climate volatility: Super El Niño forecast for November 2026 (ECMWF probability 100%) — historical El Niño pattern for West African cocoa belt is drought during pod-filling phase
• Repeel logistics dependency on phosphate-utilization regions
• Arbok is a scientific institute and does not run operational registration directly — government bodies and private partners must build the regulatory bridge
Related Technologies
Arbok-Repeel