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Tree Fruit News Feb 2020

NEWS

Open Access!

The American Society for Horticultural Science (ASHS) publishes three scientific journals, HortScience, The Journal of the American Society for Horticultural Science and HortTechnology. Free access to these journals and papers has been limited to ASHS…

Washington State is the International Tree Fruit Destination this Summer

Planes filled with tree fruit scientists, producers, nurseryman, and other allied industries will be headed to Washington State this summer. For a very exciting 2 weeks, the International Fruit Tree Association (IFTA), Washington State University…

Reducing Cold Damage With Sprayable Nanocrystal Dispersions

Cold damage to the reproductive buds and flowers is a perennial concern to tree fruit producers worldwide. Every year low temperatures threaten productivity and periodically, sudden cold snaps between bud break and bloom can cause…

X Phytoplasma Epidemic

Written by Tianna DuPont, WSU Extension. February 5, 2020. Update April 15, 2020. Fig. 1. X Phytoplasma symptoms in Rainier cherries (left) versus healthy cherries (right). X Phytoplasma has reached epidemic levels in Washington cherries…

Epidemia del Fitoplasma X

El Fitoplasma X ha alcanzado niveles de epidemia en el Estado de Washington, con 2,629 muestras de cerezos positivas a la enfermedad en 2019. Fitoplasma X (también llamado Western X, Cherry Buckskin y Durazno X)…

Western X Questions and Answers. What do we know? What do we not know?

Written Tobin Northfield, WSU Entomology; Scott Harper, WSU Plant Pathology; Bernardita Sallato, WSU Extension; Tianna DuPont, WSU Extension; Holly Ferguson, Yakima Valley College. July 17, 2019. New questions and answers added February 5, 2020. As…

Enfermedad de la Cereza Pequeña: Preguntas y Respuestas

En nuestro proceso de aprendizaje respecto a la enfermedad de la cereza pequeña o LCD, hemos recolectado preguntas de nuestros productores que respondemos a continuación.

New Paraquat User Requirements & Labeling

All paraquat registrants must comply with the label changes mandated by the U.S. Environmental Protection Agency’s (EPA) Paraquat Human Health Mitigation Decision and amendment. In addition, users must comply with requirements on the product label…

OPPORTUNITIES

Agricultural Internship Opportunity with Mt. Adams Fruit

Mt. Adams Fruit has an agriculture intern position that provides exposure to the practical aspects of apple, pear and cherry growing.   This position is best suited for students interested in learning production agriculture leading to…

PUBLICATIONS

Tree Fruit Soil Fertility and Plant Nutrition in Cropping Orchards in Central Washington

Healthy trees need healthy roots to take up water and nutrients; healthy soils to provide water, nutrients, and protection from plant pathogens; sufficient water; and exemplary horticulture. When considering tree nutrition, it is essential to…
lots of thick white fluff attached to the end of a small branch and hanging down

Perceptions and outcomes of conventional vs. organic apple orchard management

Highlights: Management goals were similar for organic and conventional apple orchards; Organic orchards employed more selective pesticide programs; Conventional and organic orchards did not differ in soil quality and insect counts; Integrated practices may be…

WORKSHOPS AND TRAININGS

FEATURED ITEM

Postharvest Defects, Disorders, Diseases, and Spanish Posters – on sale now!

In addition to the Postharvest Defects and Honeycrisp Disorders posters released in July 2019, we now have the Postharvest Diseases poster on sale. Also available now are the Spanish translations of the first two.

EVENTS

Okanogan Horticultural Society Meeting

Feb 7 | Okanogan County Agriplex

TEAM

Karen Lewis
Tianna DuPont
Dani Gray
Gwen Hoheisel
Marcella Magby
Manoella Mendoza
Claire Murphy
Bernardita Sallato
Tory Schmidt
Corina Serban

Washington State University