A rule banning almost all uses of chlorpyrifos, a commonly pesticide used in conifer production and other crops, has now taken effect across the state, effective December 31, 2023, Oregon Public Broadcasting reported . The chemical has been associated with neurological damage to humans, prompting states and the U.S. Environmental Protection Agency to consider stricter […]
Spraying sustainably
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An intelligent spraying system can help growers reduce pesticide use, save money and better manage their crops Until about six or seven years ago, Hans Nelson and Sons Nursery in Boring, Oregon, would apply standard pesticides to its roughly 150 acres of shade and flowering trees using traditional air-blast sprayers. The sprayers, used throughout the […]
Setting up for spray success
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Growers of variable crops can reduce chemical waste and ensure coverage by systematically adapting their approach By Brian Hill and Lloyd Nackley We can’t all mount lasers on our air-blast sprayers,” a Willamette Valley grower said recently in a conversation with researchers. It’s true that some growers actually can mount lasers. Lasers are now a […]
Here comes the sun
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Researchers continue to evaluate soil solarization as a weed management technique By Carol Mallory-Smith, Jennifer Parke and Nami Wada In 2017, nursery and greenhouse producers added $947.7 million to Oregon’s economy, according to the Oregon Department of Agriculture. And for this very valuable Oregon industry, and all agricultural systems, weeds are a major issue impacting […]
Turf care without herbicides
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Research evaluates the use of IPM for weed control on turfgrass By Emily Braithwaite, Brian McDonald, Tim Stock and Alec Kowalewski It is speculated that proper cultural management practices can reduce weed populations in turfgrass without the use of herbicide applications. With new laws restricting access to certain pesticides within turfgrass management and increased pressure […]
OHP releases Fortress® Ornamental Herbicide
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Starting in early October, OHP’s Fortress® Ornamental Herbicide will be available through OHP distributors. Fortress is a pre-emergent granule herbicide that can be used to control broadleaf and grassy weeds on nursery containers and field-grown ornamentals. Made with a unique combination of isoxaben and dithiopyr and formulated on the engineered Verge® granule, Fortress produces virtually […]
Farwest Show seminars explore pesticide use and irrigation technologies
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The 2018 Farwest Show, August 22–24 in Portland, Oregon, has scheduled two seminars that touch on subjects of particular concern and interest for nursery growers. The seminars will deal with the timely issues of pesticide use around pollinators and emergent technologies for efficient irrigation programs. Andony Melathopoulos, assistant professor at Oregon State University, will deliver […]
Farwest Show to offer pesticide recertification classes
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The 2018 Farwest Show will offer six pesticide credit classes for attendees including one by Kelly Vance from 8:30–9:30 a.m., Wednesday, August 22, in Room B119. Vance, an IPM specialist with Beneficial Insectary, will conduct the class with credit for pesticide recertification. Spanish translation will be included. Vance’s presentation, ”Not All Mites Are Spider Mites: […]
Farwest Show speakers talk about organic trees and impact of gene crop spraying
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At the 2018 Farwest Show, August 22-24, in Portland, Oregon, nursery growers will hear from two industry experts on topics with environmental implications. Steve Black of Raemelton Farm will speak about his experience as owner and operator of the first U.S. nursery to sell USDA Certified Organic trees. In a separate talk, Dr. Hannah Mathers […]
Don’t sleep on the WPS
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During the administration of Barack Obama, the Environmental Protection Agency (EPA) expanded the rules for agricultural operations to protect workers from pesticide exposure. These rules make up the Worker Protection Standard (WPS). With a new administration, the same rules apply. While not passed by Congress, these rules are very real and the nursery and greenhouse […]
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