Brown Ring Patch Flashcards
1
Q
Where do you find Waitea circinata?
and What kind of grass does it primarily affect?
A
Putting Greens
Normally affects Poa Annua
2
Q
Brown Ring Patch
Cause:
A
Waitea circinata
3
Q
Waitea circinata
Host
A
- Poa - usually always
- Agrostis
4
Q
Waitea circinata
Symptoms:
A
- Brownish yellow rings with scalloped edges
- Rings are fluid, they move from day to day
- superficial dark green rings that are mistaken for fairy ring
5
Q
Waitea circinata
Signs:
A
- Large amounts of mycelium in the “smoke ring”
- Bright Orange colored sclerotia
- Multi-nucleate
- Myceliums has:
- right angle branching
- septa near branching
- pinched at branching
6
Q
*Waitea circinata *will not kill the grass. True or False
A
False. It will kill that shit.
7
Q
Waitea circinata
Predisposing Factors:
A
- Moderate Temperatures - 50 - 95 degrees
- optimal from 75-85
- Excess leaf wetness
- Low Nitrogen
- Low Height of Cut
- Use of PGR’s
- Excess thatch
8
Q
Waitea circinata
Fertility
A
- Soil test and adjust
- balanced fertility program
- Adequate N input
- Use Primo to control the growth and increase quality
- ***Primo allows you to feed it Nitrogen to keep it healthy and green but keep it from growing like crazy. *