Plant Breeding

Horticulture · Level 6  ·  3 Chapters

Compiled by: Bonface Omondi

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What Plant Breeding covers

Plant Breeding in Horticulture Level 6 teaches how improved plants are produced and multiplied. Asexual breeding covers collecting, selecting and evaluating germplasm of asexually propagated crops, propagating it, testing progeny for desired characteristics and managing waste. Sexual breeding follows the same path for sexually propagated crops, from collecting germplasm to progeny testing. The last outcome maintains improved cultivars by multiplying both sexual and asexual cultivars and applying marketing techniques suited to agro-ecological requirements.

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Careers after Plant Breeding

Plant breeding skills open doors across Kenya’s vibrant horticulture sector - from high-altitude vegetable farms to flower estates, community seed banks and urban nurseries. Whether you join a commercial operation, work with a farmer cooperative, or launch your own seed-ling business, mastering these techniques lets you add value to crops, boost yields and meet market demand.

  • Commercial flower farms in the Rift Valley - you wear PPE, assemble cutting tools and collect asexual germplasm (e.g., tissue cultures of roses) safely, then breed and test new varieties that resist pests and extend vase life, earning a salary as a plant breeder or technician.
  • Smallholder vegetable cooperatives in Central Kenya - you select and evaluate tuber or leafy-green germplasm, breed improved clones, and multiply them on cooperative seed farms, receiving payment per kilogram of certified seed supplied to members.
  • Community seed banks in the Western highlands - you manage waste from breeding trials, collect both asexually and sexually propagated germplasm (e.g., banana suckers and maize ears), and store them for future distribution, earning stipends or honoraria for conservation work.
  • Private nurseries in Nairobi’s suburbs - you assemble propagation trays, multiply improved cultivars of ornamental plants, and apply targeted marketing techniques to match Nairobi’s micro-climates, generating income from direct sales to homeowners and landscapers.
  • Agri-tech incubators in Mombasa’s coastal region - you test progeny for salt-tolerance traits, document results, and package the best lines for sale to coastal farmers, receiving royalties or profit-share from each licensed cultivar.
  • Government-linked extension services in Kitui - you demonstrate safe waste-management practices from breeding labs, train extension officers on PPE use, and help farmers adopt newly bred drought-resistant varieties, earning a regular civil-service salary.
  • Urban rooftop farms in Kisumu - you collect sexually propagated germplasm of tomatoes, breed compact varieties suited to limited space, and market the produce directly to city restaurants, profiting from premium “locally-bred” branding.
  • Export-focused horticulture enterprises in Naivasha - you multiply high-value cut-flower cultivars under strict phytosanitary standards, ensuring waste is disposed of safely, and receive performance-based bonuses tied to export quality grades.
  • Independent consulting practice serving tea estates in Kericho - you advise on assembling breeding equipment, conduct germplasm evaluations for shade-tolerant herbs, and charge consultancy fees for each successful cultivar release.

With these abilities, you can turn scientific knowledge into real-world impact - whether as a salaried breeder, a cooperative seed specialist, or an entrepreneur growing Kenya’s next generation of high-performing crops. Keep experimenting, and the fields of opportunity will keep expanding!

Chapters

What Plant Breeding covers: 15 main topics in 3 chapters

1. Perform asexual plant breeding

  1. 1.1 Asexual plant breeding
  2. 1.2 Propagation of germ plasm
  3. 1.3 Testing progeny desired characteristics
  4. 1.4 Waste management
  5. 1.5 Carry out asexual plant breeding
  6. 1.6 Carry out waste management

2. Perform sexual plant breeding

  1. 2.1 Sexual plant breeding
  2. 2.2 Propagation of germ plasm
  3. 2.3 Testing progeny desired characteristics
  4. 2.4 Waste management
  5. 2.5 Carry out sexual plant breeding
  6. 2.6 Carry out waste management

3. Maintain improved cultivars

  1. 3.1 Multiplication of cultivars
  2. 3.2 Marketing techniques
  3. 3.3 Multiply sexual and asexual cultivars

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Beyond the syllabus

Other units in Module VI