By the end of the lesson, the learner can distinguish between sexual and vegetative (asexual) plant propagation.
By the end of the lesson, the learner can describe how grafting is done and why farmers use it.
By the end of the lesson, the learner can name crops in Kenya that are commonly propagated by grafting and other vegetative methods.
Audio narration — reads aloud, works offline
Transcript
[0:00] Farmers can grow new plants from seed, or by using parts of a parent plant. The second way is vegetative propagation.
[0:40] Grafting joins a shoot from a chosen plant, the scion, onto the root system of another plant, the rootstock.
[1:25] The two cut surfaces are matched, bound tightly, and they grow together into one strong plant.
[2:05] Grafting lets farmers combine a good fruit variety with a strong, disease-resistant root, and produce fruit sooner.
[2:45] In Kenya, mangoes, avocados, oranges and apples are commonly grafted to improve quality and yield.
[3:25] Other vegetative methods include cuttings, layering and budding, all giving plants identical to the parent.
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