Leaf Blotch
Abiotic Abiotic disorder
Data Maturity Baseline
This profile contains basic abiotic disorder data. Regional field notes and expert review are in progress.
Quick Reference
Category
Abiotic
Symptoms
Large, irregular, brown to tan blotches on leaves, often between major veins. Affected tissue dries and becomes papery. Blotches may coalesce to cover large portions of the leaf. Usually appears in mid to late summer during periods of environmental stress. Not caused by a pathogen; considered a physiological response.