high severity

Umufuko w'umukara wa KakaoIdentification & Treatment Guide 2026

Phytophthora megakarya / P. palmivora · Family: Peronosporaceae

Umufuko w'umukara wa kakao uterwa na Phytophthora. Gusiba imifuko yandujwe birinda ikwirakwira.

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Quick Diagnosis

high

Umufuko w'umukara wa Kakao

Affects: podsstemsflowersleaves
Peak Season: Wet season (May-October in West Africa); peak losses during heavy rains
Spread Risk: Fast
Spread By: Rain splash of zoospores, ants and other insects carrying spores between pods, soil splash

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Symptoms: What does Umufuko w'umukara wa Kakao look like?

Visual identification guide — tap each stage for details

Small brown water-soaked spot on cocoa pod from early black pod disease — Initial brown water-soaked lesion on pod surface

Rapidly expanding dark brown-black rot on cocoa pod — Rapidly expanding black rot — pod will be fully infected within days

Completely blackened mummified cocoa pods from severe black pod disease — Mummified black pods — total loss of beans inside

Intambwe ya mbere

Small brown water-soaked spot on pod
Udutoni duto dutukura ku mufuko ushya.

Intambwe yo hagati

Rapidly expanding dark brown-black pod rot
Amabara y'umukara akwira umufuko wose.

Intambwe y'imperuka

Mummified black pods and stem cankers
Umufuko wose umera umukara, imbuto zose zahishwe.

Causes: Why is my plant getting Umufuko w'umukara wa Kakao?

Environmental triggers and disease cycle

Heavy rainfall and high humidity creating ideal conditions for zoospore production
Infected pods left on trees serving as spore source
Dense canopy trapping moisture
Excessive shade reducing air circulation and light penetration
Ants (especially Crematogaster) carrying spore-laden soil between pods

Disease Lifecycle

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Host Plant

Susceptible crop

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Pathogen

Phytophthora

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Conditions

Wet season (May-October in West Africa); peak losses during heavy rains

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Infection

Penetrates tissue

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Symptoms

Visible signs

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Spread

Rain splash of zoospores

Often confused with: Indwara yo Kubyimba Amashami ya Kakao. See our comparison guide.

How to Treat Umufuko w'umukara wa Kakao

Tick each step as you complete it — works offline too

🌿 OrganicSafe for all farms

Organic Treatment Steps

5 steps

Siba imifuko yandujwe buri cyumweru.
Tera imiti ya copper hydroxide.
Tera ibihingwa bifata amazi kugira ngo ugabanye ubuhehere.
Koresha Trichoderma nk'imiti y'ubuzima.
Gusiba amashami kugira ngo umuyaga ushyire.

🧪 ChemicalUse protective equipment

Chemical Treatment Steps

4 steps

Tera copper-based fungicides mbere y'igihe cy'imvura.
Koresha metalaxyl mu bihe bikomeye.
Tera buri byumweru 2-3 mu gihe cy'imvura.
Hindura imiti kugira ngo wirinde resistance.

Prevention & Seasonal Calendar

Year-round protection plan for your crops

Pre-Planting

Gusiba buri gihe
Kuraho imifuko yandujwe

Mid-Season

Koresha ubwoko burwanya
Gusiba amashami

Post-Harvest

Copper fungicides

🛡️ Resistant Varieties

SCA 6Pound 7PA 150CRIG hybrid seriesICS 1 (partially tolerant)

View full seasonal calendar for your region →

Frequently Asked Questions

Common questions about Umufuko w'umukara wa Kakao

Phytophthora ikwirakwira ite?

Ikwirakwira n'amazi y'imvura amanuka. Spore ziva mu mufuko wose wemeza.

Gusiba buri gihe bikora gute?

Gusiba imifuko yandujwe buri cyumweru bigabanya fungi mu murima. Ni inzira nziza cyane.

Black pod ni nk'iyihe indwara?

P. megakarya (Afrika y'Iburengerazuba) ikomeye cyane. P. palmivora ikwirakwira ku isi yose.

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Related Disease

Indwara yo Kubyimba Amashami ya Kakao

Cocoa swollen shoot virus (CSSV)

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Affected Plant

Cocoa (Cacao)

Theobroma cacao

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Treatment Guide

Full Treatment Protocol

Detailed spray schedule & dosage guide

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