Delayed Dormant Sprays

Tuesday Jan 02, 2024

Dormant sprays are important for management of a wide range of pests including European red mite, woolly apple aphid, rosy and green apple aphids, and San Jose Scale. Most of these are easily controlled using a variety of materials, but if you are using oils, remember that good coverage is essential because they work by covering the egg stage and preventing respiration.

DAS Pear Psylla Model

Thursday Apr 13, 2023

Thank you all for your participation at the 2023 DAS Pear Psylla Workshop. DAS director Dr. David Crowder discussed the pear psylla phenology model on DAS, as well as new and upcoming features on our...

Pear Psylla Phenology and Management

Thursday Apr 13, 2023

Thank you all for your participation at the 2023 DAS Pear Psylla Workshop. Dr. Robert Orpet from Washington State University gave a talk on pear psylla phenology and the different management strategi...

Weather Stations on DAS

Friday Mar 31, 2023

Weather data makes DAS run. However, which weather station(s) to choose is an important consideration for any DAS user. We now have more options available than ever before to provide weather data for ...

Time Machine

Friday Mar 24, 2023

The WSU DAS provides advance warning of when key events will occur in tree fruit orchards. However, to better understand the current season, sometimes we need to think about the past. For the first ti...