What’s wrong

by Mark A. Novotny CGCS What’s Wrong With My Greens ?

First sign of Dollar Spot disease are little cottony looking spots.

Same photo enhanced by the computer.

The relative size of the spots in the beginning.

Practice…

Area of Disease Ball Mark…

Can You Find the disease???

More Practice…

What do you think? … Dollar Spot

What do you think? Second disease beginning to appear: Brown Patch

More Dollar Spot

Enhanced Photo

Fungus in a Divot

Close-up See the individual strands?

NOT Disease

Spider Web Made in a Divot

New Disease…Brown Patch

Enhanced Photo

Brown Patch with Mycelium

Fungal Mycelium (the cottony stuff we look for)

It sometimes has a visible smoke ring

Brown Patch & Dollar Spot

Enhanced Photo Dollar Spot Brown Patch

What is it?

Something New

Fertilizer Burn & Summer Stress Decline

Ball Mark Dollar Spot

Ball Mark Dollar Spot Fertilizer Burn

Most important thing to learn… If it doesn’t look right let a supervisor know what you are seeing!

by TGHRS on Jul 02, 2011