My Suggestions

hũtagia

v.

  1. attack, affect. Attack, affect. To cause harm or damage to crops or livestock, particularly used when describing how diseases or pests affect agricultural plants and animals.

Example: Coffee rust: nĩ mũrimũ ũrĩa ũhutagia mathangũ ma kahũa makagĩa na mbegũ ikagĩa maroro ma rangi wa ngoikoni kana orange. (Coffee rust: This is a fungal disease that attacks the leaves of the coffee tree, causing yellow or orange spots to form on the surface.); Coffee berry disease: ũyũ nĩ mũrimũ ũrehagwo ni fungus na ũhutagia mbegũ cia kahũa igatuĩka na maroro matũne na mairũ. Nĩguo kũhũrana na mũrimũ ũyũ, hebata gũceha mĩtĩ, kũruta mbegũ iria ndwaru na ... (Coffee berry disease: This is a fungal disease that affects the fruit of the coffee tree, causing the berries to turn red and black. To control it, prune and remove infected berries and apply a fun...); Root rot: Ũyũ nĩ mũrimũ wa fungal ũrĩa ũhutagia mĩrita ya kahũa ũgatũma ĩbuthe na mũico gũkua. (Root rot: This is a fungal disease that attacks the roots of the coffee tree, causing them to rot and die.)