high severity
Mosaic y'IbishyimboIdentification & Treatment Guide 2026
Bean common mosaic virus (BCMV) · Family: Potyviridae
Mosaic y'ibishyimbo iterwa na virusi. Koresha imbuto zisukuye n'ubwoko burwanya.
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highMosaic y'Ibishyimbo
- Affects
- leavespodsseeds
- Peak Season
- Throughout the growing season; aphid-mediated spread peaks during dry spells within the rainy season
- Spread Risk
- Fast
- Spread By
- Seed-borne (5-35%), aphid vectors (non-persistent, 20+ species), mechanical transmission
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Symptoms: What does Mosaic y'Ibishyimbo look like?
Visual identification guide — tap each stage for details
Intambwe ya mbere
Light-dark green mosaic on young leaves
Mosaic y'icyatsi gitandukanye ku mababi mashya.
Intambwe yo hagati
Leaf curling, blistering, and stunting
Amababi akunya, gukura mu buryo budasanzwe.
Intambwe y'imperuka
Severe yield reduction or systemic necrosis
Igihingwa gigufi, imifuko mike n'imbuto nke.
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