Descriptor: Powdery mildew rating 25 Sept 2009 (Powdery mildew rating 9-2009)

Definition:

Powdery mildew (Podosphaera aphanis (Wallr.) U. Braun & S. Takamatsu) infections were rated on 25 September 2009, from I = no disease to 9 = severe infection.

Crop:

Category:

Disease descriptors

Status:

Data Type:

Alpha/numeric descriptor

Maximum Length:

10

Minimum Value:

0

Maximum Value:

9

Original Data Type:

CHAR

Ontology:

https://www.cropontology.org/; www.rosaceae.org

Comment:

Powdery mildew (Podosphaera aphanis (Wallr.) U. Braun & S. Takamatsu) infections were rated on 6 August 2009, from I = no disease to 9 = severe infection.

Responsible Site:

National Clonal Germplasm Repository  (COR)