Plant Breeding
- Sciences
- 300 level
- 1 credit unit
- 63 pages
- 8 units
This course introduces the art and science of plant breeding, focusing on changing plant traits to produce desired characteristics. It covers cytological principles, heterosis, inbreeding, incompatibility mechanisms, and sterility. Students will explore various breeding methods, disease and pest resistance, and the practices used to sustain desired qualities in major farm and domestic plants. The course also examines conventional and modern plant breeding techniques, including molecular biology applications.
About this course
- Difficulty
- Intermediate
- Study hours
- 120 hours
- Maths
- Basic
- Content
- Theoretical
- Practical work
- No
- Assignments
- Tutor marked assessments
- Final examination
What you'll read
The real module and unit structure of BIO309, taken from the course material NOUN publishes.
One paragraph, so you can see how it reads
BIO309 · UNIT 1: IMPORTANCE OF PLANT BREEDING
Course outline: Importance of plant breeding, Cytological principles of breeding, Heterosis, Inbreeding and its consequences, Incompatibility mechanisms, sterility, Breeding methods, Disease and pest resistance and their inheritance, Major farm and domestic plants and the practices used to sustain desired qualities.
What you should be able to do
- Explain the importance of plant breeding for food security.
- Describe the cytological principles underlying plant breeding techniques.
- Discuss the genetic basis and applications of heterosis.
- Analyze the consequences of inbreeding and methods to calculate inbreeding coefficients.
- Compare different mechanisms of self-incompatibility in plants.
- Evaluate the role of cytoplasmic male sterility in hybrid breeding.
- Apply various breeding methods to improve crop traits.
- Develop strategies for breeding disease and pest-resistant plants.
What it prepares you for
- Plant Breeder
- Agronomist
- Geneticist
- Crop Scientist
- Research Scientist
- Agriculture
- Biotechnology
- Seed Production
- Crop Improvement
- Research and Development
Where it gets hard
The units students slow down on, and what makes each one heavy.
- Module 2: Cytological principles of plant breeding
Unit 2 Cytological principles of plant breeding
Understanding chromosome morphology and behavior during meiosis and mitosis requires strong visualization skills and knowledge of cell biology.
- Module 4: Inbreeding (F) and its consequences or applications
Unit 4.0. Inbreeding (F) and its consequences or applications
Calculating the inbreeding coefficient (F) and predicting the effects of inbreeding depression involves complex pedigree analysis and statistical concepts.
A suggested way through it
13 weeks, about 26 hours in total. Yours will differ.
- Week 1Module 1: Importance of plant breeding
Unit 1: Importance of Plant Breeding · 2 hours
Read introduction to plant breeding, its history, and development.. Define key plant breeding terms.. Differentiate between conventional and modern plant breeding methods.. Explore plant breeding applications..
- Week 2Module 2: Cytological principles of plant breeding
Unit 2 Cytological principles of plant breeding · 2 hours
Understand the cytological principles of plant breeding.. Visualize chromosomes as the basis of heredity.. Describe the structure, composition, and function of chromosomes in relation to plant breeding.. Study chromosome number, size, and morphology..
- Week 3Module 3: Heterosis
Unit 3.0. Heterosis · 2 hours
Understand the genetic basis of heterosis.. Explore the concept of hybrid corn and hybrid livestock.. Analyze the heterosis effect in animals.. Differentiate between dominance and overdominance hypotheses..
- Week 4Module 4: Inbreeding (F) and its consequences or applications
Unit 4.0. Inbreeding (F) and its consequences or applications · 2 hours
Understand the concept of inbreeding and its consequences.. Calculate the coefficient of inbreeding (F).. Explore the effects of inbreeding on genetic defects.. Analyze the practical uses of F in predicting inbreeding depression..
- Week 5Module 5: Self-incompatibility in plants
Unit 5.0. Self-incompatibility in plants · 2 hours
Understand the mechanisms of self-incompatibility (SI) in plants.. Differentiate between gametophytic and sporophytic self-incompatibility.. Explore heteromorphic and cryptic self-incompatibility.. Analyze late-acting self-incompatibility (LSI) and self-compatibility (SC)..
- Week 6Module 6: Cytoplasmic male sterility
Unit 6.0. Cytoplasmic male sterility · 2 hours
Understand the concept of cytoplasmic male sterility.. Differentiate between cytoplasmic and cytoplasmic-genetic male sterility.. Explore the use of cytoplasmic male sterility in hybrid breeding.. Analyze the role of cytoplasmic male sterility in hybrid maize breeding..
- Week 7Module 7: Breeding methods
Unit 7.0. Breeding methods · 2 hours
Understand the mode of reproduction in plant breeding.. Explore mass selection and recurrent selection methods.. Analyze half-sib and full-sib selection with progeny testing.. Study the breeding of asexually propagated crops..
- Week 8Module 8: Disease and pest resistance and their inheritance
Unit 8.0. Disease and pest resistance and their inheritance · 2 hours
Understand plant breeding for disease resistance.. Explore the concepts of host range and epidemics.. Analyze the factors stimulating new epidemics.. Study breeding for pest resistance..
- Week 9Module 1: Importance of plant breeding
Unit 1: Importance of Plant Breeding · 2 hours
Review Module 1: Importance of plant breeding. Revise key plant breeding terms.. Revise conventional and modern plant breeding methods.. Revise plant breeding applications..
- Week 10Module 2: Cytological principles of plant breeding
Unit 2 Cytological principles of plant breeding · 2 hours
Review Module 2: Cytological principles of plant breeding. Revise the cytological principles of plant breeding.. Revise the structure, composition, and function of chromosomes in relation to plant breeding.. Revise chromosome number, size, and morphology..
- Week 11Module 3: Heterosis
Unit 3.0. Heterosis · 2 hours
Review Module 3: Heterosis. Revise the genetic basis of heterosis.. Revise the concept of hybrid corn and hybrid livestock.. Revise the heterosis effect in animals.. Revise dominance and overdominance hypotheses..
- Week 12Module 4: Inbreeding (F) and its consequences or applications
Unit 4.0. Inbreeding (F) and its consequences or applications · 2 hours
Review Module 4: Inbreeding (F) and its consequences or applications. Revise the concept of inbreeding and its consequences.. Revise the coefficient of inbreeding (F).. Revise the effects of inbreeding on genetic defects.. Revise the practical uses of F in predicting inbreeding depression..
- Week 13Module 5: Self-incompatibility in plants
Unit 5.0. Self-incompatibility in plants · 2 hours
Review Module 5: Self-incompatibility in plants. Revise the mechanisms of self-incompatibility (SI) in plants.. Revise gametophytic and sporophytic self-incompatibility.. Revise heteromorphic and cryptic self-incompatibility.. Revise late-acting self-incompatibility (LSI) and self-compatibility (SC)..
Preparing for the exam
- Create detailed concept maps linking breeding methods to specific crop types.
- Practice calculating inbreeding coefficients using different pedigree scenarios.
- Review the mechanisms of disease resistance and their genetic control.
- Focus on understanding the differences between conventional and modern plant breeding techniques.
- Summarize the key steps in hybrid seed production using cytoplasmic male sterility.
- Study the different types of self-incompatibility and their evolutionary significance.
- Review all tutor-marked assignments and self-assessment questions.
- Allocate study time proportionally to the weight of each module in the final exam.
- Form study groups to discuss complex topics and share notes.
- Practice applying plant breeding principles to real-world case studies.
Questions students ask about this course
What is BIO309 about?
This course introduces the art and science of plant breeding, focusing on changing plant traits to produce desired characteristics. It covers cytological principles, heterosis, inbreeding, incompatibility mechanisms, and sterility. Students will explore various breeding methods, disease and pest resistance, and the practices used to sustain desired qualities in major farm and domestic plants. The course also examines conventional and modern plant breeding techniques, including molecular biology applications.
How many units does BIO309 have?
BIO309, Plant Breeding, has 8 units across 1 module, over 63 pages of course material. You can read it one unit at a time.
How many credit units is BIO309?
BIO309 carries 1 credit unit, at 300 level in Sciences.
Is BIO309 hard?
BIO309 is rated intermediate level, with basic mathematical content. It is mostly theoretical work.
How long does BIO309 take to study?
About 120 hours of study, spread across its 8 units.
How is BIO309 assessed?
BIO309 is assessed by assignments, tutor marked assessments and final examination.
What can I do with BIO309?
Plant Breeder, Agronomist, Geneticist, Crop Scientist and Research Scientist.