Plant Health

Desktop diagnostics

There are no silver bullets or magic wands in plant production or pest management, but we have a wealth of information at our fingertips and a catalog of products from which to choose. To get... more »

Editor’s Letter: Best practice for pathogens

When it comes to pests and diseases in your greenhouse, figuring out the culprit and putting effective management practices into place as soon as possible is crucial. This month we highlight plant diseases and how... more »

aphids biobest

Biobest Shares Tips for Cannabis Aphid Control

Cannabis aphid, Phorodon cannabis, is becoming a widespread pest with devastating effects on the crop. With only one host, cannabis and hemp, it affects plants by sucking sap and contaminating buds — making them unmarketable... more »

New Report Details Loss Due to Tomato Virus ToBRFV

IUNU published a new report on the Tomato Brown Rugose Fruit Virus (ToBRFV) titled "Learning to Live with ToBRFV." The report contains information on how ToBRFV spreads, how to detect ToBRFV, diagnostics for every stage... more »

New Website Helps Solve Pest and Disease Problems

A new Oregon State University (OSU) Extension Service website provides science-based solutions for garden pests, weeds and disease problems in one easy-to-navigate place. The project was shepherded by Weston Miller, an OSU Extension community horticulturist... more »

Cannabis

Outstanding Cannabis Flowering Depends on the Roots

Building and maintaining an efficient indoor operation depends on eliminating risks wherever you can, and the growing media you choose is no exception. Sure, a premium mix is crucial for healthy, uniform crops and high... more »

Dr. Bugs: How Pesticides Influence Spider Mites

Answer: You ask a very important question, as some insect and mite pests have developed mechanisms that allow them to sense and avoid pesticides (insecticides and miticides), especially those in the chemical classes pyrethroid and... more »

Biocontrol: How? Why? When? Yes, I Can!

Good bugs. Bad bugs. Pop quiz: can we tell them all apart? Let’s talk about the good guys doing all the work for us while controlling the bad guys … biocontrol. Starting a biocontrol program... more »