Project Description
Diseases, Irrigation
Featured stories about diseases and disorders, as well as irrigation appear in this issue.
Click here to view a PDF version of this issue.
Identifying grape shrivels
In the past, grape growers have mistaken any shrivel in their fruit for grape berry shrivel, also known as sour shrivel, says Washington State University’s
Fireblight, antibiotics, and the NOSB
Antibiotics have long been key disease control materials for fireblight, one of the few uses of antibiotics in plant agriculture. These materials are natural compounds
Growers have several choices in fireblight control
Pear and apple orchardists have a fairly broad field of products to use in controlling fireblight—and it should get even more crowded in the coming
First Bite: Doing flip-flops
As the incoming managing editor of Good Fruit Grower, each day I walk past a framed copy of the magazine’s first issue, published in April
Fireblight is native to North America
Fireblight is a plant disease of apples and pears caused by the bacterium Erwinia amylovora. It is native to North America where it resides in
Coppers are a fit for organics
Before the 1960s, there were no antibiotics to help orchardists control fireblight, one of the most destructive diseases of pears and apples. Copper materials were
Turning on a plant’s defenses
New technology is coming to the apple and pear industry to help control fireblight. Actigard is a systemic compound with a unique mode of action
B.C. cooperative plans upgrades
Unrealistic expectations of sale value contributed to delays in the disposal of surplus properties held by the Okanagan Tree Fruit Cooperative, says Alan Tyabji, who
B.C. co-op seeks higher returns
Fruit growers in British Columbia, Canada, centered in the Okanagan Valley but with sizeable operations in the Similkameen and Creston valleys and other regions, enjoy
WSU Grape irrigation bulletin
Washington State University Extension has released a new irrigation manual for vineyards, clarifying irrigation options and strategies for juice and wine grape producers in Washington
Irrigate early if winter is dry
Bleeding (inset photo) caused by root pressure is associated with bud swell and bud break. Bleeding sap is collected from a potted Merlot grapevine in
Saving water in early peaches
Scientists with the U.S. Department of Agriculture, looking for ways that growers can save water without affecting fruit quality or yields, see potential for using
Top 5 points when installing irrigation
More and more, fruit growers—even in wet climates—are installing irrigation systems at planting time. While growers in Washington State, Idaho, and other arid western areas
Last Bite
1 Which of the following is not a fruit symptom of little cherry disease? a. Small size b. Poor color c. High acids d. Poor
An expensive disorder
Photos courtesy of Bhaskar Bondada A shrivel is not just a shrivel. Of the various types of shrivel impacting grape quality, sour shrivel is especially
Who’s on the NOSB
The National Organic Standards Board has 15 members who serve five-year terms, though the terms are not equally staggered. The membership is comprised of four
How the NOSB makes decisions
The National Organic Standards Board is a federal advisory committee that makes the decisions on which inputs can be used in organic agriculture. Generally, natural
Fireblight-resistant apple
Ladina, a new high-quality apple variety with low susceptibility to fireblight and mildew, has been developed by a Swiss research station. The variety is also
A replacement for Tiberon
Nurseries working to provide apple growers with the well-branched, “feathered” trees they want to plant can use the chemical MaxCel and will find it as
National Organic Standards Board members
Producers: Carmela Beck, organic program manager, Driscoll’s Strawberry Associates, Inc., Watsonville, California. Colehour Bondera, owner, Kanalani Ohana Farm, Honaunau, Hawaii. Dr. Wendy Fulwider, animal husbandry
Behind the scenes at the NOSB
Harold Austin In April, the National Organic Standards Board will decide whether organic apple and pear growers in the United States will be allowed to
Why the National Organic Standards Board made its decision
In 2011, when the National Organic Standards Board made a formal recommendation to the National Organic Program to permit oxytetracyline for fireblight control in apples
Good Stuff
Hydroponic irrigation New technology combining hydroponics and drip irrigation is being used to grow fruit trees, offering benefits to orchardists in water-starved regions. The Hydroponic
Vigor control and promotion of fruiting of pear trees
D’Anjou pear trees in the Apogee trial are shown in November 2012. Left tree is untreated, middle received single application of Apogee during the
Natural enemy inventory
Herbivore-induced plant volatile (HIPV) lure to attract natural enemies in orchards. Monitoring is one of the key components of any successful integrated pest management program,