Developing a disease management program

By |March 15th, 2013|

Washington State University viticulture extension specialist Dr. Michelle Moyer suggests growers consider the following when developing a ­disease management [...]

Living with cherry diseases

By |March 15th, 2013|

Little cherry disease made a dramatic resurgence in Washington in 2010 and has since spread rapidly. These Sweetheart cherries [...]

Preventing mildew

By |March 15th, 2013|

Guide for grape pest management available
Washington State University’s 2013 Grape Pest Management Guide includes recommendations for controlling insects, [...]

Working with copper

By |March 15th, 2013|

Copper is a potent spray chemical, useful on many stone and pome fruits. It is active against bacterial diseases [...]

Kill the pathogen

By |March 15th, 2013|

Apple scab is a serious problem in humid climates, and McIntosh is very susceptible. Lesions occur on both leaves [...]

Bacterial canker

By |March 1st, 2013|

The weather turned hot and dry—­conditions conducive to healing the cuts without making the canker situation worse. Then, the [...]

Coppers are a fit for organics

By |February 15th, 2013|

Before the 1960s, there were no antibiotics to help orchardists control fireblight, one of the most destructive diseases of [...]

Fireblight is native to North America

By |February 15th, 2013|

Fireblight is a plant disease of apples and pears caused by the bacterium Erwinia amylovora. It is native to [...]

Growers have several choices in fireblight control

By |February 15th, 2013|

Pear and apple orchardists have a fairly broad field of products to use in controlling fireblight—and it should get [...]

Fireblight, antibiotics, and the NOSB

By |February 15th, 2013|

Antibiotics have long been key disease control materials for fireblight, one of the few uses of antibiotics in plant [...]