Apple Alert: Blossom Blight Infection

(Updated: Sept. 2, 2022, 11 a.m.)

The risk of a blossom blight infection event is HIGH for Henderson County (NC) for Saturday, April 14. The risk of a blossom blight infection event is EXTREME for Polk County (NC) for Saturday, April 14 and Sunday, April 15. The risk of a blossom blight infection event for Moravian Falls area is HIGH for Saturday, April 14 and Sunday, April 15. 

 
  • High Risk: If there are open blossoms in your block, a high risk of a blossom blight infection event means that 2 of 3 requirements (see Bloom Disease Update )are satisfied for blossom blight to occur. A preventative streptomycin or other bactericide application should be considered prior to a wetting period (dew or precipitation).
  • Extreme Risk: If there are open blossoms in your block, an extreme risk of a blossom blight infection event means that 3 of 3 requirements (see Bloom Disease Update) are satisfied for blossom blight to occur. A preventative streptomycin or alternative bactericide application should be made prior to a wetting period (dew or precipitation).

For a list of registered products for blossom blight control, please refer to the NC State University  2022 Integrated Orchard Management Guide for Commercial Apples in the Southeast.