Grass at Augusta National

What we know for sure:
All areas except the greens are Perennial Ryegrass from October to May.
The greens are bent grass and stay cool enough year around through underground cooling systems.

Ok, now that that’s out of the way…

What is all of this talk about a brown summer Augusta being in its “dormant state”?
Supposedly, the turf at Augusta is Bermuda, but Bermuda ain’t “dormant” in the summer, nor is it dormant in the fall, not even in late fall…

So what’s up with the brown grass from the summer time aerial photos?
And why are articles calling it “Augusta in its dormant state”? And “dormant Bermuda grass at Augusta”.

Example

quote:

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The bentgrass greens at Augusta really pop next to the dormant bermuda.

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This photo was taken in September. Bermuda is arguably in its prime in September. It’s far, far, from dormant.
Is this a misnomer? Are the journalists not smart?
Do they not know the difference between .25 scalped Bermuda that might possibly be sprayed out?
That’s the only thing that I can figure is going on for Bermuda to look like that in September.

OR, are we looking at true dormant Rye? Because, if they’re closed, why the need for Bermuda for just four months?