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Kate PrengamanKate Prengaman is an associate editor for Good Fruit Grower, writing articles for the print magazine and website. She earned her bachelor’s degree in biology and environmental science at the College of William and Mary and a master’s degree in science journalism from the University of Wisconsin-Madison.

Kate joined the magazine in 2016. Prior to the Good Fruit Grower, she covered the natural resources beat for the Yakima Herald-Republic and reported environmental stories for the Wisconsin Center for Investigative Journalism.  She lives in Yakima with her husband and two daughters.

Contact her at 509-853-3518 or at and follow her on twitter @kprengaman

My Recent Articles

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Pollination calculation: Every bee counts

March 19th, 2019|0 Comments

Online tool helps growers assess how much pollination they get from wild bees.

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Raising a stink for BMSB research

March 14th, 2019|0 Comments

Raising colonies of brown marmorated stink bugs helps researchers identify more IPM-friendly tools for management.

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Native natural enemies

March 14th, 2019|0 Comments

Researchers looking at native cousins of the Asian parasitoid wasp that targets brown marmorated stink bug.

  • Spotted wing drosophila illustration (SWD)

SWD resistance a red flag for organic growers

March 12th, 2019|0 Comments

The only organic insecticide for spotted wing drosophila is losing efficacy as the pest gains resistance in berry production region of California.

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USDA announces funds to fight spotted lanternfly

March 7th, 2019|0 Comments

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The fight against spotted lanternfly in Pennsylvania got a $6.5 million boost this week with

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Spotted lanternfly a new grape threat

March 7th, 2019|0 Comments

Swarms of feeding spotted lanternfly can kill a vineyard. Will the Pennsylvania quarantine be able to keep them from spreading?

  • WSU grape leafroller study

Unravelling the mysteries of the grapevine leaffolder

March 1st, 2019|0 Comments

New wine grape pest in one Washington region turns out to be cousin of common California leaffolder.

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Stopping shoot blight

February 21st, 2019|0 Comments

Researchers investigate new ways to protect trees without sacrificing growth.

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Viral link examined in rapid apple decline

February 20th, 2019|0 Comments

Researchers have uncovered a new virus associated with the mysterious, rapid collapse of young dwarf apple trees, but discovering if it’s the culprit will require more research.

  • Little cherry disease and Western X disease

Little cherry disease creates a big problem

February 20th, 2019|0 Comments

Little cherry disease may be approaching epidemic levels.

  • Spray drift data collection

Spray researchers aim to catch their drift: Video

February 15th, 2019|0 Comments

New drift assessment survey underway to improve models that predict pesticide drift risk and potentially preclude unnecessarily restrictive labels.

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Steering the research on spray drift

February 15th, 2019|0 Comments

UW researcher takes the wheel for drift data collection.

  • WSU crown gall on vines

A galling problem for grape growers

February 14th, 2019|0 Comments

Crown gall survey uncovers clean plant confusion, shortages in Washington vineyards.

  • Hort Show 2018

Advice for avoiding harvest headaches

February 13th, 2019|0 Comments

Grower panel offers tips and perspective for finishing the growing season on a high (quality) note.

  • Julia Kock at Klipsun Vineyard

Extra cuticle cuts water demand in the vineyard

February 5th, 2019|0 Comments

Researcher targeting spotted wing drosophila finds coating good for water-saving application.

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Nonpesticidal controls for SWD

February 5th, 2019|0 Comments

OSU researcher shares two new products showing promise in fighting spotted wing drosophila.

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Converting to a 2D canopy creates a new dimension for growers

January 31st, 2019|0 Comments

Transitioning a tall spindle system to a narrow fruiting wall increases potential for mechanization, but still requires hand pruning.

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Eastern growers exploring an early start for blossom thinning

January 29th, 2019|0 Comments

Workshop at the Mid-Atlantic Fruit and Vegetable Convention aims to introduce Eastern U.S. apple growers to new tools available for blossom thinning.

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Grape growers feeling the stress of berry splits

January 23rd, 2019|0 Comments

Washington State University researcher studies the details of why grapes split.

  • Post-harvest fungicide testing

Biofungicide shows promise for cherry packers

January 22nd, 2019|0 Comments

First commercial use of natamycin in cherry packing last season reported successful.

  • Rick Plath

Go with the flow for cold storage efficiency

January 17th, 2019|0 Comments

Considering airflow and efficient cold storage design helps protect fruit quality and lowers energy costs.

  • New Blue Bird Wenatchee cherry lines open

Ozone filling a void for fruit packers

January 15th, 2019|0 Comments

Organic storage and food safety needs drive renewed interest in ozone technology.

  • Clean Plant Center Northwest

Clean Plant Center exports mostly on hold

January 8th, 2019|0 Comments

Exports of clean tree fruit budwood on hold while center cleans up paperwork processes.

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Click pruning techniques for Cosmic Crisp

January 8th, 2019|0 Comments

Researchers travel to orchards across Washington to share tips for pruning WA 38.

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Washington State Grape Society awards

January 3rd, 2019|0 Comments

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Grape Society President Bill Riley presented the organization’s annual awards at the Washington State Grape

  • Julia Kock at Klipsun Vineyard

Higher prices for juice grape growers in 2018

January 3rd, 2019|0 Comments

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Things are looking up for Washington’s Concord grape growers, though there may be fewer of

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Apple marketers like social media

January 2nd, 2019|0 Comments

Facebook, YouTube and pop-up stores giving marketers new tools to introduce consumers to club apples.

  • Orchard netting, Auvil Fruit Co.

New tool helps growers budget for climate change

January 2nd, 2019|0 Comments

New web tool lets growers see projected climate impacts on their own farms to support long-term decision making.

  • Grapevine leafroll disease (Photo courtesy of Hemantkumar Gohil)

Virus cloning may lead to leafroll control

December 27th, 2018|0 Comments

Cloning a destructive grapevine virus will help researchers understand it and, potentially, learn how to stop it.

  • Young grower groups

Young growers learning and growing together

December 12th, 2018|0 Comments

Field day and workshop events for early career industry professionals provide support and encouragement.