Indwara y'Amababi ya Nyuma y'IbirayiIdentification & Treatment Guide 2026
Phytophthora infestans · Family: Peronosporaceae
Indwara y'amababi ya nyuma y'ibirayi iterwa na Phytophthora infestans. Itera utusozi dusa n'amazi ku mababi duhinduka ikigina vuba, hamwe n'ikihumyo cyera ku ruhande rwo munsi. Irwanywa n'ubwoko burwanya, imiti ya mancozeb cyangwa metalaxyl, no kurimbura ibihingwa byanduye.
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criticalIndwara y'Amababi ya Nyuma y'Ibirayi
- Affects
- leavesstemstubers
- Peak Season
- Cool wet weather (15-22°C), rainy seasons
- Spread Risk
- Fast
- Spread By
- Airborne sporangia, rain wash from leaves to soil infecting tubers, infected seed tubers
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Symptoms: What does Indwara y'Amababi ya Nyuma y'Ibirayi look like?
Visual identification guide — tap each stage for details
Water-soaked spots on leaf tips
Utusozi dusa n'amazi, dufite ibara ry'icyatsi cyijimye tugaragara ku mpera z'amababi no ku mpande.
Expanding dark lesions with white mold
Utusozi twaguka vuba duhinduka ikigina. Ikihumyo cyera cigaragara ku ruhande rwo munsi rw'amababi mu gitondo. Ibirayi mu butaka bigaragaza utusozi tw'ikigina.
Canopy collapse and tuber rot
Igihingwa gikongoroka cyane mu minsi mike. Ibirayi bihinduka ikigina imbere maze binyuke. Impumuro mbi igaragara.
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