Cannabis achene and embryo microstructure, cotyledons, radicle position, storage organelles, reserve mobilization, and structural changes during germination.
Visual lesson 03
Radicle emergence
Follow the radicle as the first root organ emerges and establishes the direction of early seedling growth.
Interactive academic visual
Radicle emergence
The first visible root organ establishes early seedling polaritySeed coat opening
Internal swelling and embryo growth mechanically open the seed coat as germination progresses.
Knowledge check
PracticeCan you explain what the visual is showing?
What is the clearest sign that radicle emergence has occurred?
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 leaf morphogenesis, phyllotaxy, plant architecture, reproductive transition, inflorescence development, trichome development, and senescence across a complete life cycle.
System context