Yellow Patch Flashcards by Jesse Vincent

Q

Yellow Patch

Cause:

A

Ceratobasidium cereale

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Q

Ceratobasidium cereale

Host

A

(Short cut turf grasses)

Poa
Agrostis
Lolium
Festuca

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Q

Ceratobasidium cereale

Symptoms:

A

Big yellow spots or rings on the turf
- they look like water spots

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Q

Ceratobasidium cereale

Signs

A

Mycelium is Bi-nucleate
Sometimes has smokerings
Mycelium has:
- right angle branching
- septa near branching
- pinched at branching
Light to Dark Brown Sclerotia

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Q

Ceratobasidium cereale

Predisposing factors

A

cool (not frozen) weather
temperatures of 45 - 65 degrees
excess leaf wetness
Low Nitrogen inputs

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Q

Ceratobasidium cereale kills the turf.

True or False

A

False

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