Hemp plants are susceptible to disease, especially at the early stages of development. Hemp growers can promote healthy plants by using high-quality seed and avoiding soil that is wet, dense or poorly drained.
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
Jun 2018 |
Article
Photo A by G. Shrestha; photos B and C by C.M. Ocamb, Oregon State University. (Cropped from original)
Hemp is susceptible to fungal pathogens that induce wilt disease that can kill plants. The fungi that cause the disease can survive for years and are easily spread. But there are steps growers can take to prevent it.
Verticillium wilt is a fungal disease that attacks plants and trees and disrupts the circulation of water and nutrients. Although it is best diagnosed by lab testing, here are some signs that gardeners can look out for.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
Gray mold outbreaks on hemp caused the fungus Botrytis cinerea can spread easily and quickly kill plants. Here's how hemp growers can create conditions that will keep gray mold at bay.
When the cause of a plant ailment isn't obvious, a bit of detective work is in order. That involves many small observations that together create a web of information that leads to the identity of the ailment.