Nekrosisi Mbaya ya MahindiIdentification & Treatment Guide 2026
Maize chlorotic mottle virus + Sugarcane mosaic virus · Family: Tombusviridae
Nekrosisi mbaya ya mahindi (MLN) husababishwa na maambukizi ya pamoja ya MCMV na potyvirus. Husababisha mistari ya majani, kunyauka kutoka juu, na hasara ya mavuno ya 50-100%. Imeenea sana Afrika ya Mashariki tangu 2011. Dhibiti kwa aina zinazostahimili, kudhibiti wadudu wanaoeneza, mzunguko wa mazao, na kutumia mbegu safi zilizothibitishwa.
Scan This Plant NowQuick Diagnosis
criticalNekrosisi Mbaya ya Mahindi
- Affects
- leavesstemsearstassels
- Peak Season
- Main and short rainy seasons; worst when both virus vectors (thrips and aphids) are active simultaneously
- Spread Risk
- Fast
- Spread By
- Thrips (MCMV), aphids (SCMV), contaminated seed (MCMV), soil (MCMV), mechanical contact
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Symptoms: What does Nekrosisi Mbaya ya Mahindi look like?
Visual identification guide — tap each stage for details
Chlorotic mottling on young leaves
Mistari nyembamba ya kijani kibichi hadi njano huonekana kwenye majani mapya, ikiongoza sambamba na mishipa. Mmea unaweza kuonekana dhaifu kidogo.
Leaf necrosis from edges inward
Mistari huungana na kuwa maeneo makubwa ya njano. Majani ya juu huanza kukauka kutoka ncha na kingo. Mashina ya ndani yanaweza kuonyesha rangi ya kahawia.
Complete plant death and barren ears
Majani yote hukauka na kufa kutoka juu kwenda chini. Gunzi halikui vizuri, nafaka ni chache na zisizo na ubora. Mimea iliyoambukizwa mapema inaweza kufa kabla ya kutoa mazao yoyote.
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