When should I treat my lawn with fungicide?

When should I treat my lawn with fungicide?

We recommend beginning lawn fungicide applications when nighttime low temperatures rise to 60°F. Typically, preventative applications are made at 14 to 30 day intervals, depending upon the fungicide. There are an abundance of lawn fungicides available that prevent brown patch and other lawn diseases.

What is best fungicide for brown patch?

In general, azoxystrobin or pyraclostrobin will control brown and large patch for 28 days. The other three fungicides will control the diseases for 14 days.

What do you treat brown patch with?

More tips for treating:

1. Use moderate amounts of nitrogenous fertilizer.
2. Fungicides can be effective if applied before the onset of the disease, but should only be used on high-value ryegrass or bentgrass turfs.
3. Don’t over- or under-fertilize your turf, as that can encourage Brown Patch.

What is better liquid or granular fungicide?

“For us, preemergent and broadleaf weed control is better achieved with a liquid formulation,” Doppel said. “Fungicides also will work better if they are applied as a liquid application. Insecticides can be applied successfully either in a liquid or granular form.”

How do you heal a brown patch?

When temperatures cool and the humidity drops, the brown patch fungus will go dormant and stop invading the grass plants. The turfgrass will recover on its own and the process can be enhanced by applying a lawn fertilizer when daytime temperatures drop below 70°F.

Will grass grow back after brown patch?

The condition is named just as it appears: “brown patch.” It’s a fungus that likes warm night temperatures and extended periods of leaf wetness. This fungus mainly effects tall fescue grasses. In most instances the grass will recover, but it may take two to three weeks.

What causes brown patch in grass?

Brown patch disease. Brown patch disease is caused by the fungus Rhizoctonia. There are a variety of reasons your lawn may develop Brown patch, including high heat and humidity, excessive nitrogen, moisture, poor soil damage, too much thatch, and compacted soil.