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WA38 / Cosmic Crisp® pre-harvest virtual field day video recordings now available

The WA 38 / Cosmic Crisp® pre-harvest virtual field tour consisted of three separate events. The first event was a webinar intended for all stakeholders…

2020 Apple Residue Report

Since 2011, the WTFRC has conducted studies in apple and cherry to generate pesticide residue data for commonly used insecticides and fungicides to help Washington…

Tree Removal for X-disease and Little Cherry Disease Case Studies Two

Here are case studies four to seven in our tree removal case studies series.

Fall kaolin sprays suppress next spring’s psylla, 2020-2021 season update

Written by Robert Orpet and Louis Nottingham, WSU TFREC, Entomology October 2020. Kaolin clay (Surround WP) is a white sprayable powder that discourages pear psylla…

Fall Nutrient Sprays for Tree Fruit

Plants need light, CO2, water, and minerals for their development, growth, and producing quality fruit. Most nutrient uptake for tree fruit occurs through the roots,…

End of Year Spray Program Evaluation

Now that the growing season is coming to a close, you might be wondering what parts of your pest management program worked well, and which…

We need your help – X-disease, Little Cherry Disease Impact Survey

If you have removed trees due to Little Cherry Disease or X-disease please fill out the survey here. Survey results will help justify grants and…

Recordings from the Pear Rootstock & Systems Webinar Now Available

The Pear Rootstocks and Systems Virtual Field Tour Webinar held on August 14 was a successful event with 164 registrants. The events tag line was…

Winter Educational Opportunities

WSU Tree Fruit Extension will provide a variety of learning opportunities this fall and winter in order to continue to bring growers research-based information while…

Ambrosia Harvest Indices and CA Storage Protocols in British Columbia

To date, Ambrosia maturity has largely been determined by starch index. The general recommendation is to start harvest at a starch of 2.6 and finish…
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