Causal Agent: Verrucalvus flavofaciens
Susceptible Turfgrasses: Kikuyu.
Symptoms
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Leaves turn a uniformly yellow with brown flecking.
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Roots usually turn yellowish brown colour and rot.
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Infected areas range in size from 10cm to 1m in diameter.
Conditions Favouring Disease
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Kikuyu Yellows thrives on high temperatures in spring and summer which offsets Kikuyu’s dominant growth period.
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Since plant material and soil can bear spores of the fungus, it can be difficult to control.
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Kikuyu Yellows is especially common in areas fertilised with nitrogen.