Cannabis photosynthetic and stomatal responses to water deficit, genotype-dependent drought response, biomass partitioning, and physiological interpretation under measured conditions.
Visual lesson 02
Pattern description
Describe uniform, interveinal, marginal, spotted, tip-focused, twisted, wilted, or asymmetric symptoms before assigning cause.
Interactive academic visual
Pattern description
Use spatial vocabulary before converting a visible pattern into a diagnosisUniform
A relatively even change across a leaf or plant region should be distinguished from patterns that follow veins, margins or isolated lesions.
Knowledge check
PracticeCan you explain what the visual is showing?
Which is the best diagnostic description before naming a cause?
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