OSU research shows different approaches required for management of common rhododendron disease.
Knowing your cedar pests (Part 2)
By — Posted
Part 2: Thuja, Juniperus and Cupressus It’s important to be aware of issues in the landscape and forest, as these can become problems in the nursery or for your customers. On the flip side, problems not detected in the nursery can become big issues when planted out at the customer’s end. Cedar trees have a […]
Villains of the greenhouse
By — Posted
When seedlings fail, Rhizoctonia damping-off, root and stem rot may be the cause There is so much hope for the future when we plant seeds, but that can be dashed when they don’t emerge, or when they fall over soon after popping out of the media. There are many fungi that live and survive in […]
Knowing your cedar pests
By — Posted
Grower awareness of problems can protect both grower and customer It’s important to be aware of issues in the landscape and forest, as they can become problems in the nursery or for your customers. Cedar trees have a number of pest and problems to be aware of, from abiotic disorders to insects and diseases. Some […]
Fire blight in the plant nursery
By — Posted
How did it arrive here, and what can be done? Fire blight is a disease that can kill apple and pear trees. It is especially dangerous in a nursery setting, for reasons we will explain. The disease can result in the direct loss of plant material, which in turn can necessitate a costly and difficult […]
Testing the waters
By — Posted
How to test your irrigation system for the presence of Phythophthora By Neelam R. Redekar and Jennifer L. Parke Phytophthora is a fungus-like organism — called a water mold — that can infect a wide variety of nursery plant species. One of the ways it can spread is through irrigation water. Depending on size, a […]
Handier handbooks
By — Posted
Updated pest management handbooks are now
mobile-friendly and searchable online.
Ag inspections suffered in wake of 9/11
By — Posted
If you fly on an airplane, then you have experienced firsthand how U.S. security priorities changed following 9/11. A huge new agency, the Department of Homeland Security, was created and given broad powers to stop terrorist threats. Passengers were treated to body imaging, patdowns and a thicket of regulations governing what they can and can’t […]
Missouri bans walnut products from nine states
By — Posted
In an attempt to halt the devastating spread of thousand cankers disease, which afflicts black walnut trees, the state of Missouri has issued an emergency quarantine banning the importation of “walnut products” from nine Western states. According to Missouri officials, “The ban applies to nursery stock, unprocessed lumber, logs, wood chips, mulch and other products […]
Florida nursery accused of knowingly shipping infected plants
By — Posted
Packer reports that according to Florida officials, a nursery in that state knowingly attempted to sell trees infested with citrus canker out of a quarantined area. The infected trees were detected during an inspection, detained, and sent back to the originating nursery.
