Visual lesson 04

Seed formation

Track ovule fertilization through developing seed coat, embryo, filling, and physical maturity.
Sex, Pollen & SeedsSeed development cutaway series
staminatepistillate

Interactive academic visual

Seed formation

Fertilization initiates embryo and seed-coat development within the ovule
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Pollination

Compatible pollen reaching a receptive stigma can germinate and begin pollen-tube growth.

Knowledge check

Can you explain what the visual is showing?

Practice

What follows successful fertilization during seed development?

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

Staminate and pistillate development, XX/XY chromosome context, early sex-biased regulation, ethylene-mediated sexual plasticity, mixed-sex expression, anther maturation and dehiscence, pollen biology and fitness, pollination, fertilization, seed formation, and controlled crossing.
Open the full Sex, Pollen & Seeds interactive module
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