high severity

Indwara y'Amababi y'IcyayiIdentification & Treatment Guide 2026

Exobasidium vexans · Family: Exobasidiaceae

Indwara y'amababi y'icyayi ikora ibibyimba ku mababi mashya. Tera imiti mu gihe kibereye.

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Quick Diagnosis

high

Indwara y'Amababi y'Icyayi

Affects: young leavesbudsyoung stems
Peak Season: Cool wet weather (15-25°C), misty conditions, monsoon season in South Asia
Spread Risk: Fast
Spread By: Wind-dispersed basidiospores, rain splash

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Utekereza ko ikimera cyawe gifite Indwara y'Amababi y'Icyayi?

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Symptoms: What does Indwara y'Amababi y'Icyayi look like?

Visual identification guide — tap each stage for details

Small translucent spots on young tea leaf from blister blight — Initial translucent spots on young expanding tea leaf

Raised convex blisters with white underside on tea leaf — Characteristic raised blister with white sporulation underneath

Severe blister blight with brown papery lesions on tea shoots — Dried brown blisters and shoot distortion — unmarketable flush

Intambwe ya mbere

Small translucent spots on young leaves
Udutoni duto twera ku mababi mashya.

Intambwe yo hagati

Convex blisters with white sporulation underneath
Ibibyimba byera (blisters) ku rugero rwo hepfo.

Intambwe y'imperuka

Brown papery blisters and shoot dieback
Amababi ahinduka umukara, agwa.

Causes: Why is my plant getting Indwara y'Amababi y'Icyayi?

Environmental triggers and disease cycle

Cool temperatures (15-25°C) with persistent mist and overcast weather
High rainfall and humidity above 80%
Stagnant air in sheltered valleys
Dense shade and poor air circulation within the bush canopy
Continuous presence of young succulent flush (the only tissue susceptible)

Disease Lifecycle

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Host Plant

Susceptible crop

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Pathogen

Exobasidium

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Conditions

Cool wet weather (15-25°C), misty conditions, monsoon season in South Asia

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Infection

Penetrates tissue

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Symptoms

Visible signs

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Spread

Wind-dispersed basidiospores

How to Treat Indwara y'Amababi y'Icyayi

Tick each step as you complete it — works offline too

🌿 OrganicSafe for all farms

Organic Treatment Steps

5 steps

Siba amashami kugira ngo umuyaga ushyire.
Gusarura vuba kugira ngo ukureho amababi yandujwe.
Koresha copper fungicides.
Tera mu mwanya ubereye.
Hindura ubwoko burwanya.

🧪 ChemicalUse protective equipment

Chemical Treatment Steps

4 steps

Tera copper oxychloride buri byumweru 2.
Koresha hexaconazole.
Tera nickel chloride mu bihe bikomeye.
Hindura imiti kugira ngo wirinde resistance.

Prevention & Seasonal Calendar

Year-round protection plan for your crops

Pre-Planting

Gusiba amashami
Gusarura vuba

Mid-Season

Copper fungicides
Gutera mu mwanya

Post-Harvest

Ubwoko burwanya

🛡️ Resistant Varieties

TRI 2025 (Sri Lanka, tolerant)TRFK 6/8 (Kenya, tolerant)Some Assam clones show moderate tolerance

View full seasonal calendar for your region →

Frequently Asked Questions

Common questions about Indwara y'Amababi y'Icyayi

Ni igihe ki cyo gutera imiti?

Mu gihe cy'imvura cyangwa igihe cy'ubushyuhe buke n'ubuhehere. Tera buri byumweru 2.

Blister blight ikora ubwiza bw'icyayi?

Yego. Amababi yandujwe atanga icyayi cy'ubwiza buke. Bigabanya igiciro.

Ni ubuhe bushyuhe bwiza kuri fungi?

15-20°C n'ubuhehere 80%+. Ibihe by'imbeho n'imvura ni byiza cyane.

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Affected Plant

Tea

Camellia sinensis

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Treatment Guide

Full Treatment Protocol

Detailed spray schedule & dosage guide

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