Ugonjwa wa Kichwa cha Boriti ya NdiziIdentification & Treatment Guide 2026
Banana bunchy top virus (BBTV) · Family: Nanoviridae
Ugonjwa wa kichwa cha boriti ya ndizi husababishwa na BBTV na kuenezwa na chawa wa ndizi. Mimea iliyoambukizwa inaonyesha majani mafupi na nyembamba yenye mistari ya kijani meusi, yanayojikusanya juu kama boriti. Mimea haizalishi matunda. Hakuna tiba — ondoa na uharibu mimea iliyoambukizwa, dhibiti chawa, na tumia vipandikizi visivyo na virusi.
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criticalUgonjwa wa Kichwa cha Boriti ya Ndizi
- Affects
- leavespseudostemfruit bunch
- Peak Season
- Year-round in tropics; spread increases during warm, dry periods when aphid populations peak
- Spread Risk
- Moderate
- Spread By
- Banana aphid (Pentalonia nigronervosa) — persistent, circulative transmission; infected planting material
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Symptoms: What does Ugonjwa wa Kichwa cha Boriti ya Ndizi look like?
Visual identification guide — tap each stage for details
Dark green streaks on leaf veins and petioles
Mistari ya kijani meusi (vipigamaji) huonekana kwenye mishipa ya majani na petiole, hasa kwenye majani mapya. Kingo za majani zinaweza kuwa na rangi ya njano.
Upright narrow leaves with wavy margins
Majani mapya yanazidi kuwa mafupi, nyembamba, na yaliyosimama wima, yakijikusanya pamoja juu ya mmea na kutoa sura ya boriti. Kingo za majani zinaweza kuwa na mawimbi.
Severely stunted plant with no fruit
Mmea unadumaa sana. Majani ni madogo na yamejikusanya sana. Mmea hauzalishi shina la maua au matunda. Machipukizi yanayoota kutoka mmea ulioambukizwa pia yameambukizwa.
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