As bloom wraps up for many apple growers, the focus now shifts to managing shoot blight. With recent reports of shoot infections, I’m resharing key […]

Hailstorms during the bloom and petal fall stages can significantly increase the risk of fire blight in apple orchards. The physical damage caused by hail […]

Fire blight, caused by Erwinia amylovora, continues to challenge apple growers—especially as spring weather patterns shift. With a growing number of tools available, including organic […]

The following diseases/disorders were identified at the PDDC from June 15, 2024 through June 21, 2024. PLANT/SAMPLE TYPE DISEASE/DISORDER PATHOGEN COUNTY FRUIT CROPS     […]

The following diseases/disorders were identified at the PDDC from June 1, 2024 through June 7, 2024. PLANT/SAMPLE TYPE DISEASE/DISORDER PATHOGEN COUNTY FRUIT CROPS     […]

The following diseases/disorders were identified at the PDDC from May 25, 2024 through May 31, 2024. PLANT/SAMPLE TYPE DISEASE/DISORDER PATHOGEN COUNTY FRUIT CROPS     […]

As King bloom approaches in many Wisconsin orchards, fire blight prevention efforts are underway. According to NEWA, fire blight risks currently vary from region to […]

In early 2024, Apogee® Plant Growth Regulator (BASF) was granted a FIRFA Section 2(ee) recommendation permitting its use for early application timing for fire blight […]

In 2023, the PDDC continues to provide diagnoses through examination of digital photographs, as well as physical samples.  Click here for the PDDC’s current submission […]

During the summer months, managing shoot blight infections is a top priority. Many growers are faced with the question of pruning or not. Pruning can […]