Fundamentals of Weed Science - 4th Edition - ISBN: 9780123944269, 9780123978189

Fundamentals of Weed Science

4th Edition

Authors: Robert L Zimdahl
Hardcover ISBN: 9780123944269
eBook ISBN: 9780123978189
Imprint: Academic Press
Published Date: 14th August 2013
Page Count: 664
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This book addresses herbicides and their use as an important aspect of modern weed management and strives to place them in an ecological framework. Many weed scientists believe agriculture is a continuing struggle with weeds--without good weed control, good and profitable agriculture is impossible. Each agricultural discipline sees itself as central to agriculture's success and continued progress, and weed science is no exception. While not denying the importance of weed management to successful agriculture, this book places it in a larger ecological context. The roles of culture, economics, and politics in weed management are also discussed, enabling scientists and students to understand the larger effects on society.

Key Features

  • Information on New herbicides included, along with the old herbicides that are important for understanding the history
  • New section on weed resistance to herbicides and genetic engineering
  • New information on invasive plants
  • Expanded chapters on Biological Control, Pesticide Legislation and Regulation, Weed Management Systems, and more
  • Instructor resources can be found at, and it is password protected. Please contact your sales representative at for access to the instructor resources. The insturctor site consists of chapter questions, essay questions, an exam and images from the book


Graduate students, faculty, and researchers in weed science; government officials

Table of Contents




Endnote: Agricultural Examples

Literature Cited

Chapter 1. Introduction

Literature Cited

Chapter 2. Weeds—The Beginning

The Beginning

Definition of the Word Weed

Characteristics of Weeds

Harmful Aspects of Weeds

Cost of Weeds

Things to Think About

Literature Cited

Chapter 3. Weed Classification

Phylogenetic Relationships

A Note About Names

Classification Methods

Things to Think About

Literature Cited

Chapter 4. Uses of Weeds—Ethnobotany

Food for Humans

Feed for Animals

Medical Uses

Agricultural Uses

Ornamental Uses

Insect or Disease Traps

Pollution Control

Other Uses

Things to Think About

Literature Cited

Chapter 5. Weed Reproduction and Dispersal

Seed Production

Seed Dispersal

Seed Germination—Dormancy

Vegetative or Asexual Reproduction

Things to Think About

Literature Cited

Chapter 6. Weed Ecology

Human Influences on Weed Ecology

The Weed–Crop Ecosystem

Environmental Interactions

Fundamental Ecological Concepts

Plant Competition

Plant Characteristics and Competitiveness

The Relationship between Weed Density and Crop Yield

Magnitude of Competitive Loss

Duration of Competition

Economic Analyses

Mathematical Models of Competition

Things to Think About

Literature Cited

Chapter 7. Weed Population Genetics

Genetic Diversity

Gene Expression and Phenotypic Diversity

Mating Systems

Evolution of Weed Populations

Things to Think About

Literature Cited

Chapter 8. Invasive Plants

What is an Invasive Species?

What is the Extent


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Academic Press
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About the Author

Robert L Zimdahl

Robert L. Zimdahl is a Professor of Weed Science at Colorado State University. He received his Ph.D. in Agronomy from Oregon State University. Among his many honors and awards, Dr. Zimdahl was elected a Fellow of the Weed Science Society of America in 1986 and currently serves as editor of that society’s journal, Weed Science. He has been a member of several international task forces and has authored a number of books and articles on the subject of weed science.

Affiliations and Expertise

Professor Emeritus, Dept of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO, USA