* Spectrum Weather Data Systems & Mills Apple Scab Disease Model. First mature ascospores on 3/31/09.
**Beginning of peak ascospore maturity 4/19/09 ***5/4/09 - found first leaf sysmptoms of scab on Red Del.
•May 11th thru May 14th (possible scab infection: **) forecast based on Skybit Ag E-Weather IPM Apple Disease Report