the wine is falling apart?

Lazarakis   Thu Mar 02, 2006 2:27 am GMT
"some people thought that many of the 98’s were falling apart...even a single one-off fault in a bottle may result in a diagnosis that the wine is falling apart."

What does this phrasal verb "fall apart" mean when they say a certain wine is "falling apart"?
Uriel   Thu Mar 02, 2006 3:20 am GMT
Not very good.