[jurkewycmi]

Hi Friends,

A little background...

I have a 6 week old 500 SF KBG mix Sod lawn in the back
I have been irrigating 1/2" Mon/Wed/Fri mornings since week 4 as per LCN new sod recommendations (days off when mother nature decides to help)
Mowing 3 1/2"- 4 1/4" depending on heat.
Spoon feeding Milo 0.2lb/1000 rate weekly mostly just because.(Also wouldn't mind an opinion on this practice)
Weather has been mid 90's with humidity feeling like 100's since last Friday (maxed out at 118 Sunday evening)and wont cool down til this coming Friday

I mowed at max height last week to keep things cool for the weekend, and again today (1/3 rule)

Lawn looks pretty good over all, but I have found some sparse fungal issues and a small spot that is a little discoloured.

Mostly I'm just wondering if I am worrying over nothing or whether this could spread and destroy my new lawn.







Im pretty sure in my limited knowledge that those blades are displaying leaf spot, with the eventual unwanted outcome being melting out? Those samples were selected randomly throughout the yard

Im up un Canada and it will be a while before anything I order will get here.

Again, am I freaking out over nothing? Will the lawn deal with this on its own or does it need fungicide?

 

[erickdaniels]

That sure looks like fungus to me. I have TTTF in the transition zone and fungus is always an issue this time of year. I have learned to apply fungicide at the very first signs of disease (a lot like your pictures). The longer you wait, the more damage occurs.

With that being said, you have KBG which will eventually recover with adequate nutrition and time (unlike TTTF which needs reseeding). You're also in the great white north, so I imagine your "fungus season" is a lot shorter than mine. You could probably wait this out and be extra vigilant with irrigation/mowing practices to slow the disease spreading.

How hard is it to procure fungicides in Canada?

 

[g-man]

Overall it looks healthy and with good color. I would start to back off from watering looking for signs of drought. What product options you have for fungicides?

 

[jurkewycmi]

No fungicides on hand.

Only available option to buy in Canada is sulphur based https://www.rona.ca/en/fungicide-13...least 2 types alternated to avoid resistance.

 

[g-man]

I would just watch it and water when it looks like it needs it. 1in week is just a guideline for established lawns.

 

[stotea]

That's basically what my lawn looks like as well after several days of very hot, humid, and rainy weather. I've been debating whether I should use a fungicide or not, but I think I'm going to hold off. Seems like it gets to this point every year at one time or another, and it always makes a full recovery.

 

[jurkewycmi]

Good stuff. I had a feeling I was just being a bit paranoid. Will back down the water and go from there!