I received more than one email alert today with a mention of this story. Not in the field of agriculture but nonetheless important news for those who deal with patents. See the story on the patentlyo.com blog: http://www.patentlyo.com/patent/2008/03/cafc-overturns.html
“CAFC (Court of Appeals for the Federal Circuit)Overturns Jury Verdict of Non-Obviousness Because Combination Yields Predictable Results”
For supporting document; court decision.