Visual lesson 05

Differential workflow

Rank plausible environmental, root-zone, nutritional, pest, pathogen, and physical explanations and use new observations to narrow them.
Diagnostic OverlayObservation-to-differential decision map

Interactive academic visual

Observation-to-differential workflow

Rank plausible explanations and choose observations that separate them
OBSERVECONTEXTRANKSEPARATEUPDATEenvironmentroot zonenutritionpest/pathogenphysicalnew evidence updates ranking
Describe first

Record location, color or tissue change, pattern, posture, progression and plant stage before assigning a cause.

Knowledge check

Can you explain what the visual is showing?

Practice

What is a differential workflow?

Track this lesson

Mark the lesson complete when you are comfortable with the visual, observations, and system context.

Evidence & further reading

Sources connected to this lesson

These references support specific biological, diagnostic, environmental, or process concepts used in this lesson. They are not a substitute for crop-specific testing or local regulatory guidance.

System context

Connect this lesson to the whole plant

Observation-first diagnostic overlay for symptom location and progression, environmental and root-zone context, nutrient tissue analysis, root/crown biotic-versus-abiotic clues, senescence, pest and pathogen evidence, differential diagnosis, evidence weighting, and confirmatory testing.
Open the full Diagnostic Overlay interactive module
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