With severe infestations, production of honey dew and later sooty mould is easily noticeable. The plants lose their greenness and therefore look black
Zikagwidwa kwambiri ndi tizilombo, kupangidwa kwa maletsa ndipo pambuyo pake sooty mould zimaoneka mosavuta. Mbewu zimataya kubiliwira kwake ndipo choncho zimaoneka zakuda