“As goes South Texas, so goes the U.S. crop”

South Texas contains some large agricultural areas. “As goes South Texas, so goes the U.S. crop” is said to be an old saying, indicating that South Texas is the bellwether for American agriculture.
 
The origin and extent of this saying is not known.
 
 
Textile News UK
Market continues to bounce back this week
August 29, 2008 (UK)
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It looks like the old saying “as goes South Texas so goes the US crop” still has some validity, since we have yet to see an area that makes it to harvest without any problems.