An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept Breadcrumbs

Preferred Term:

weather fleck

Definition:
Weather fleck is a non-infectious disease, induced by air-pollution (mainly ozone), and characterized by small necrotic lesions on the leaves. These lesions are usually dark brown in color in the beginning and gradually transition to white color over time as leaf tissue dies.
Concept Schemes:
NALT Full
URI:
https://lod.nal.usda.gov/nalt/335198
Download this Concept:
RDF/XMLCreated 2019-11-01, last modified 2019-12-16