noun / verb
blight
BLYTE/blˈaɪt/
A destructive disease of plants.
Blight leaves dark lesions on the tomato plant's yellowing leaves.

Etymology
Blight has no secure known ancestor. It first named a destructive influence on plants in gardeners’ and farmers’ speech, then extended to anything that withers hopes or checks prosperity.
In context
early blight and septoria leaf spot these are ones that tend to start on the lower parts of the plant and work their way up the plant and can lead to significant defoliation
More examples
- The disease blighted the entire crop.
- Abandoned buildings are a blight on the neighborhood.
- Years of conflict blighted their hopes for prosperity.
Forms
blight · blights · blighted · blighting