Yellow Patch Flashcards
1
Q
Yellow Patch
Cause:
A
Ceratobasidium cereale
2
Q
Ceratobasidium cereale
Host
A
(Short cut turf grasses)
- Poa
- Agrostis
- Lolium
- Festuca
3
Q
Ceratobasidium cereale
Symptoms:
A
- Big yellow spots or rings on the turf
- they look like water spots
4
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
5
Q
Ceratobasidium cereale
Predisposing factors
A
- cool (not frozen) weather
- temperatures of 45 - 65 degrees
- excess leaf wetness
- Low Nitrogen inputs
6
Q
Ceratobasidium cereale kills the turf.
True or False
A
False
