AGS301 Weed and Pesticide Sciences (8)

A study of the biology, ecology and management of weeds in a range of environments. This subject will deal with herbicide modes of action and its application as part of the integrated management of weed in broadacre and horticultural farming.


* Offering has a residential school. Please view following information for further details.

Session 2 (60)
On Campus
Wagga Wagga Campus
Online *
Wagga Wagga Campus

Continuing students should consult the SAL for current offering details: AGS301. Where differences exist between the Handbook and the SAL, the SAL should be taken as containing the correct subject offering details.

Subject Information

Grading System



One session


School of Agricultural and Wine Sciences

Assumed Knowledge


Incompatible Subjects

PSC410, PSC441

Learning Outcomes

Upon successful completion of this subject, students should:
  • be able to describe the problems caused by weeds
  • be able to identify and describe weeds at the seedling stage
  • be able to discuss the principles of weed ecology and population dynamics
  • be able to demonstrate how to apply principles of integrated weed management in the management of crops particularly with respect to herbicide resistance.
  • be able to discuss the weed control options for a range of land management systems
  • be able to discuss the role of herbicides in integrated weed management programs
  • be able to describe the modes of action and use patterns of herbicides
  • be able to explain the principles and technology of herbicide application used in broadacre farming and horticulture


This subject will cover the following topics:
  • Importance of weeds and their management
  • Weed ecology, population dynamics, invasion and succession
  • Characteristics of weeds and weed interference
  • Biology of weeds and their identification
  • Weed management strategies and tactics in broadacre crops and natural ecosystems
  • Characteristics, modes of action and use patterns of herbicides, and the development of herbicide resistance
  • Principles, technology and methods of herbicide application used in broadacre farming and horticulture

Indicative Assessment

The following table summarises the assessment tasks for the online offering of AGS301 in Session 2 2019. Please note this is a guide only. Assessment tasks are regularly updated and can also differ to suit the mode of study (online or on campus).

Item Number
Value %
Weed seed bank report
Herbicide resistance report
Practical exam
Final exam

Residential School

This subject contains a 4 day Compulsory Residential School.

The residential school provides a hands on approach to the theory taught in the subject and involves, lectures and tutorials.

Special Resources

Residential School is required for DE mode.

The information contained in the CSU Handbook was accurate at the date of publication: July 2020. The University reserves the right to vary the information at any time without notice.