The causal agent for yellow tuft is shlerophthora macrospore and it can affect all turfgrass species.
The causal agent for yellow tuft is shlerophthora macrospore and it can affect all turfgrass species. Individual plants form into a dense turf of yellow leaves resulting in a bumpy surface. Yellow turfs are easily confused with poa annua but can be distinguished by the tight proliferation of leaves together with a weakened root system which enables the tufts to be easily pulled out.
Address any drainage issues and if irrigating the lawn it is beneficial to reduce the rate of water application.
Other Similar Lawn Problems
The causal agent of this relatively common disease is fungi related to the Basidiomycete species.
The causal agent of fusarium is Microdochium nivale and most cool season grasses can be affected, particularly during periods of cool, humid weather in late autumn.
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