My first response is that someone poured something on the
Zoysia to have that type of pattern.
I looked carefully at the photos and have not seen '"line
type" damage before to a lawn.... very odd, but I would say some type
of chemical was dumped.
I did take the time to do some good lawn disease searches on
Google and Zoysia disease is brown patch and red thread mostly. And those
patterns are irregular, same as on bentgrass.
I would dig up all the damaged areas and replant, just as you
indicated to Shannon.
Another weird thought is that there is some type of
underground trench that has carried something along it's path and rotted
the roots? just a wild guess...
I think the damaged areas are deliberate. Would
some type of sulfuric acid have that smell Shannon was talking about to
you? Just the fact that Shannon just noticed the areas and how quickly it
would rot and smell, points to a chemical... Make any sense?
Ok that is my 2 cents.......
Looks like it was a
quick death. I have no idea what it could be. Was there an odour ? -
could have been gas or chemical. In any event the contaminated soil should be
removed ( a few inches) some fresh soil brought in and reseeded. That's the best
I can offer - Rob.
This info is from Shannon (near Atlanta) regarding
suspected vandalism to her lawn.
Have any of you
seen anything like this?