Lighting

Heat Stress

An environmental stress pattern caused by excessive temperature load that can lead to tacoing leaves, reduced vigor, canopy stress, and symptom confusion with light stress or dry-air stress.

Heat Stress vs Light Stress Overlap

Heat Stress vs Light Stress Overlap often shows as the earliest visible pattern on affected tissue. Confirm whether the pattern follows fixture intensity, direct exposure, or fan pressure before adjusting inputs. Compare it against the strongest lookalike before acting.

Light Deprivation Inconsistency

Light Deprivation Inconsistency often shows as random spots when matching this pattern. Confirm whether the pattern follows fixture intensity, direct exposure, or fan pressure before adjusting inputs. Compare it against the strongest lookalike before acting.

Light Stress / Light Burn

A top-canopy stress pattern driven by excessive light intensity or proximity that can cause bleaching, upward leaf posture changes, localized top damage, and confusion with heat stress.

Lighting Stress: PPFD/DLI, Hotspots, and Top-Canopy Injury

Lighting playbook for top-canopy injury, bleaching, and heat-coupled stress patterns.