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BOTANY II BSC204

Course Code	BSC204
Fee Code	S3
Duration (approx)	100 hours
Qualification	Statement of Attainment

Study Online and Learn Science, Technology, Gardening and more; with a Hot Course from Australian Horticultural Correspondence School.

Botany Applications Course -Learn how botanical knowledge can be used in horticulture, agriculture and environmental science.

Course Structure

There are 10 lessons in this module as follows:

1. Flower physiology

2. Phytochrome

3. Phytoperiodism

4. Control of flower bud initiation and development

5. Dormancy

6. Effects of plant associations and competition

7. Respiration and post harvest physiology

8. Post harvest storage, transport, retailing and shelf life

9. Endogenous and synthetic growth regulators

10. Risks involved with plant growth manipulation

Duration: 100 hours

COURSE AIMS

Investigate the physiology of growth development and flowering.
Examine the nature of phytochrome and its effect on flowering in the phytochrome reaction.
Examine the photoperiodic responses of flowering plants to differing dark and light periods.
Examine the effect of temperature on the onset of flowering and flower development.
Understand and describe the causes of dormancy in seeds and plants and describe the methods of breaking dormancy.
Understand plant associations and competition and their effects on quality and marketable yield.
Explain the process of respiration in plant cells and its effect on post-harvest storage and transportation of crops.
Describe physiological processes in post-harvest crops in relation to the storage conditions.
Investigate the effect on plants of endogenous and synthetic growth regulators.
Understand risk assessments relevant to plant growth manipulation.

Lesson Structure

There are 10 lessons in this course:

Flower physiology
- Introduction
- The flowering response
- Genes control flowering
- Physiological age
- Minimum leaf number
- Photoperiodism
- Terminology
Phytochrome
- Light sensing systems
- Blue light responses
- Red light responses
- Other light responses
- Phytochrome
- Photoreceptor forms: Pr, Pfr
- How molelcules changeRelevance to commercial horticulture
- Controlling light
- Terminology
Phytoperiodism
- Light
- Measuring light
- What wavelengths do plants need
- Typical photoperiod responses
- Photoperiodic responses in seasonal flowering plants
- Photoperiodic classification of plants: short day plants, long day plants, day neutral plants
- Detection of photoperiod
- Critical photoperiod and flowering
- Research facts
- Other photoperiodic effects
- Terminology
Control of flower bud initiation and development
- Stages in flower bud growth
- What can affect flower bud initiation
- Differentiation
- Dvelopment
- Anthesis
- Effect of temperature on growth and flowering
- VernalisationThermoperiodism
- Research reports or reviews of specific plants
- Terminology
Dormancy
- Dormancy in plants
- Abscisic acid and dormancy
- Breaking dormancy
- Dormancy in seeds
- Factors affecting seed dormancy
- Breaking seed dormancy
- Terminology
Effects of plant associations and competition
- Introduction
- Competition
- Parasitism
- Coevolution
- Mutualism
- Plant herbivore and pathogen interactions
- Crop spacing and crop yeilds
- Crop canopy and plant density
- Impact of weeds
- Protected environments
- Greenhouses
- Shadehouses
Respiration and post harvest physiology
- Respiration
- Glycolysis
- Aerobic respiration
- Anaerobic respiration
- Bioluminescene and Fluorescence
- Post harvest respiration
- Terminology
Post harvest storage, transport, retailing and shelf life
- Effect of growing conditions on post harvest life
- Controlled storage conditions: temperature, atmosphere, humidity
- Normal atmospheric conditions
- Controlled and modified atmospheres
- Effect of oxygen levels Effect of carbon dioxide levels
- Ethylene
- Controlling ethylene levels
- Modified Atmosphere Packaging
- Commodity transport
- Retailing and shelf life
Endogenous and synthetic growth regulators
- Nature of plant hormones
- Auxins: IAA, IBA, NAA
- Gibberellins: natural and synthetic
- Cytokinins: over 130 different types
- Abscisic acid
- Ethylene
- Other homones: anti auxins, growth inhibitors, growth retardants, defoliants, growth Stimulators, non standard hormones
- Controlled ripening and degreening
- Waxing
Risks involved with plant growth manipulation
- Commercial risks
- Human health and safety risks
- Plant pathology risks
- Ecological risks
- Genetic modification
- Benefits
- environmental hazards
- Human hazards
- Terminology

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.

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