Cannabis photosynthetic and stomatal responses to water deficit, genotype-dependent drought response, biomass partitioning, and physiological interpretation under measured conditions.
Visual lesson 04
Measurement context
Bring pH, EC, substrate moisture, temperature, RH, VPD, PPFD, and feed/water history into the same diagnostic record.
Interactive academic visual
Diagnostic measurement context
Put plant observations and measurements into one time-aligned recordRoot-zone readings
Record moisture, pH and EC using a consistent method appropriate to the substrate.
Knowledge check
PracticeCan you explain what the visual is showing?
Which set best represents useful measurement context for plant diagnosis?
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.Cannabis greenhouse disease diagnosis and integrated management, including powdery mildew, Botrytis, root disease, HLVd, sanitation, irrigation, airflow, and post-harvest microbial risk.
Cannabis leaf morphogenesis, phyllotaxy, plant architecture, reproductive transition, inflorescence development, trichome development, and senescence across a complete life cycle.
System context