Newest leaves and upper growing points
Atlas Diagnostic Case Lab
Reason from evidence before naming a cause.
Each case gives you location, pattern, progression, and context. Your job is to choose the observation or measurement that best separates competing explanations.
Practice ruleA visual pattern can narrow a differential, but it does not prove a diagnosis by itself.
Location + root-zone chemistry
Case 1 of 12Upper-canopy chlorosis
A plant develops pale new leaves near the top while older leaves remain noticeably greener. The grower is tempted to add more micronutrients immediately.
Pale tissue with veins remaining somewhat more visible
Appeared first on recent growth
No root-zone pH or EC measurement has been taken yet