Butte College

Course Outline

2026-2027 Catalog

AGS 20 - Plant Science

Catalog Description

Transfer Status
CSU/UC
Unit(s)
3.00
  • Lecture: 34.00 Contact hours/68.00 Out of class hours/102.00 Total hours/2.00 Unit(s)
  • Lab: 51.00 Contact hours/0.00 Out of class hours/51.00 Total hours/1.00 Unit(s)
  • Total: 85.00 Contact hours/68.00 Out of class hours/153.00 Total hours/3.00 Unit(s)

Course Description: This course is an introduction to plant science including structure, growth processes, propagation, physiology, growth media, biological competitors, and post-harvest factors of food, fiber, and ornamental plants. (C-ID AG-PS 104).

Objectives

Upon successful completion of this course, the student should be able to:

  1. Describe the scientific method and explain its application in solving problems in plant and soil science.
  2. Categorize the roles of higher plants in the living world.
  3. Describe the structural components of higher plants.
  4. Explain the standard plant propagation methods.
  5. Describe sexual and asexual reproduction in higher plants.
  6. Explain photosynthesis, respiration, transpiration, and translocation in higher plants.
  7. Describe the physical and chemical properties of soils.
  8. Describe the climatic influences on plant growth and development.
  9. Categorize the biological competitors of higher plants.
  10. Hypothesize solutions for soil erosion problems.

Course Content

Topic Titles / Suggested Time Topic

Lecture

Lecture topics and suggested hours
TopicsLec Hrs

The role of higher plants in the living world
   a. Fossil fuels
   b. Food web
   c. Industrial products
   d. Ancient plant life
   e. Terrestrial ecosystems and global cycles

2.00

Structure of higher plants
   a. The life cycle of a plant
   b. The cell
   c. Cell structure
   d. The plant body

4.00

Naming and classifying plants
   a. Climate
   b. Botanical names
   c. Botanical classifications
   d. Plant taxonomy

1.00

Origin, domestication, and improvement of cultivated plants
   a. Origin of cultivated plants
   b. Domestication of plants
   c. Crop plants
   d. Germplasm
   e. Genetic concepts in plant improvement

2.00

Propagation of plants
   a. Propagation methods
   b. Sexual propagation
   c. Vegetative propagation

2.00

Vegetative and reproductive growth and development
   a. Vegetative growth and development
   b. Reproductive growth and development
   c. Plant growth regulators

3.00

Photosynthesis, respiration, and translocation
   a. Photosynthesis
   b. Plant respiration
   c. Electron transport system
   d. Assimilation

8.00

Soil and soil water
   a. Factors involved in soil formation
   b. Physical properties of soil
   c. Chemical properties of soil
   d. Soil organisms
   e. Soil organic matter
   f. Soil water
   g. Water quality

2.00

Soil and water management and mineral nutrition
   a. Land preparation
   b. Irrigation
   c. Mineral nutrition
   d. Soil conservation

2.00

Climatic influences on crop production
   a. Climatic factors affecting plant growth
   b. Climatic requirements of some crop plants
   c. Weather and climate
   d. Climatic influences on plant diseases and pests

2.00

Biological competitors of useful plants
   a. Weeds
   b. Plant diseases
   c. Plant pests
   d. Nematodes
   e. Rodents
   f. Pesticide impacts on the environment

2.00

The scientific method
   a. Developing a hypothesis
   b. Scientific design
   c. Application to plant/soil problems

2.00

Crops/harvest practices
   a. Crops grown in region
   b. Harvest practices
   c. Post-harvest practices

2.00
Total Hours:34.00

Lab

Lab topics and suggested hours
TopicsLab Hrs

Structure of higher plants

6.00

Naming and classifying plants

3.00

Propagation of plants

6.00

Vegetative and reproductive growth

6.00

Soil and soil water

6.00

Fertilizers and plant nutrient needs

3.00

Biological competitors of useful plants

3.00

Application of the scientific method

6.00

Appropriate technology skills used in Plant Science

6.00

Harvest/post-harvest practices

6.00
Total Hours:51.00

Methods of Instruction

  1. Class Activities
  2. Discussion
  3. Homework: Students are required to complete two hours of outside-of-class homework for each hour of lecture
  4. Laboratory Experiments
  5. Lecture

Methods of Evaluation

  1. Exams/Tests
  2. Research Projects
  3. Class participation
  4. Lab Projects
  5. Written Assignments

Examples of Assignments

Reading Assignments

  1. Read the chapter on flower and fruit formation in your text. Be prepared to discuss a particular fruit type in class.
  2. Read an article from a plant journal about the scientific method. Be prepared to discuss the parts of the journal article in class.

Writing Assignments

  1. Write a 3-4 page lab report on tissue culture.
  2. Write a 2-3 page paper on the importance of genetics to the selection process of plants.

Out-of-Class Assignments

  1. Observe a local agricultural crop and describe the production methods in use in a 1-2 page paper.
  2. Watch a documentary about crop production and summarize in a 1-2 page paper.

Recommended Materials of Instruction

McMahon, M.E. (2019). Hartmann's Plant Science: Growth, Development, and Utilization of Cultivated Plants. Pearson, 4th. 9780135184820.

Bidlack, J. & Jansky, S. (2025). Stern's Introductory Plant Biology. McGraw Hill, 15th. 9781260488623.

Zero Cost Textbook

Michaels T., et al. (2022). The Science of Plants. University of Minnesota Libraries Publishing. (OER). https://open.umn.edu/opentextbooks/textbooks/1196

Ha, M., et al. (2022). Botany. ASCCC Open Educational Resources Initiative. (OER). https://bio.libretexts.org/Bookshelves/Botany/Botany_(Ha_Morrow_and_Algiers)

Minimum Qualifications

Agricultural Production

Agriculture (Masters Required)

Biological Sciences (Masters Required)