ARBOK-Repeel-Cocoa (Selective Acid-Mist Pest Control for Cocoa)

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:

1. Arbok-Repeel concentrate is produced upstream by Arbok-Evaporation vacuum sublimation of phosphate-plant industrial wastewater

1. Concentrate is shipped in polymer containers to the cocoa-growing region

1. On site, Repeel is diluted to working strength and loaded into ground sprayers or agricultural drone tanks

1. 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

1. 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