March 1, 2022 Pear Psylla Phenology IPM Guide will help manage pear psylla using the new degree day model! As temperatures warm and the snow melts, it is time to think about pear psylla management. In warmer areas like Oregon and southern Washington, psylla are already back in the orchards and laying eggs. In central […]
Join us for pear study circles this winter – they’re free! It’s a great learning opportunity for growers, consultants, researchers, and industry professionals. Our goal is to improve pear profitability and sustainability. Each study circle will include a 30 minute presentation and 2 hours of facilitated discussion. Topics include: Oct 19, 2021 – Choosing products […]
Pear Phenology Update, August 9, 2021 Pear Psylla’s Current Status: The 2nd generation of summerform adults are at or past peak in most regions. Young nymphs of the 3rd generation are nearing peak and increasing. Hardshells of the 3rd generation are within the first 25% and rising. If biocontrol is present in orchards (IPM and […]
May 18, 2021 A phenology model for pear psylla was recently developed by Dr. Vince Jones. This model predicts the relative number of pear psylla from each life stage occurring as degree days are accumulated. Below is a graph showing the psylla degree day model and the status of psylla development on May 6th 2021. […]
