Ugonjwa wa Milia Kahawia ya MuhogoIdentification & Treatment Guide 2026
Cassava brown streak virus (CBSV) · Family: Potyviridae
Ugonjwa wa milia kahawia ya muhogo husababishwa na virusi za CBSV na UCBSV. Dalili ni pamoja na milia ya njano-kahawia kwenye mashina, nekrosisi ya kahawia ndani ya mizizi, na kudondoka kwa majani ya chini. Dhibiti kwa aina zinazostahimili, vipandikizi safi, na kuvuna mapema kabla nekrosisi ya mizizi haijawa kali.
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criticalUgonjwa wa Milia Kahawia ya Muhogo
- Affects
- leavesstemstubers
- Peak Season
- Year-round; tuber necrosis worsens with extended time in the ground (>12 months)
- Spread Risk
- Moderate
- Spread By
- Whitefly (Bemisia tabaci), infected stem cuttings
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Symptoms: What does Ugonjwa wa Milia Kahawia ya Muhogo look like?
Visual identification guide — tap each stage for details
Feathery yellow patches on mature leaves
Milia ya njano au kahawia inaonekana kwenye mashima ya kijani ya shina. Majani ya chini yanaweza kuonyesha madoa ya njano yasiyo na umbo au chlorosis ya mishipa.
Brown streaks on green stems
Milia kwenye mashina inakuwa wazi zaidi — rangi ya kahawia au zambarau. Majani ya chini hudondoka. Kuoza kwa mizizi huanza kama madoa ya kahawia ndani ya mizizi ya kuhifadhi.
Dry brown necrotic rot in tubers
Nekrosisi kali ya kahawia ndani ya mizizi ya kuhifadhi inafanya muhogo isiweze kuliwa. Mizizi inaweza kuoza na kuwa na harufu mbaya. Mimea iliyoambukizwa sana hudumaa sana.
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