Descriptor: DED CROWN SYMPTOMS 7 YPI (DED CROWN SYMPTOMS 7 YPI)

Definition:

Average percent of the tree's crown displaying symptoms (e.g. defoliation, dieback, wilting or death) in a field setting seven years post inoculation with Ophiostoma novo-ulmi and/or O. ulmi spore suspensions.

Crop:

Category:

Disease descriptors

Status:

Crop Germplasm Committee approved

Data Type:

Numeric descriptor

Maximum Length:

Responsible Site:

North Central Regional Plant Introduction Station  (NC7)