Mature Apple Scab Ascospore Release Escalates
Posted: March 23, 2012
In a normal year, these numbers are typically observed in late April to early May. Eight scab infection periods occurred from March 16 to 22, including 8 continuous days of wetting that accumulated 132 leaf wetness hours.
Growers are advised to carefully follow the recommendations presented at the Special Workshop on Managing Apple Scab in the Age of Multiple Fungicide Resistance.