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PROBLEM-BASED E-LEARNING SYSTEM FOR AGRICULTURE EXTENSION

Weeds and Weed Control   WEEDS AND WEED CONTROL


                       

Course Objectives

Introduction to Weeds

(a) Definition of weed

(b) Weed identification

(c) Weed classification

(d) Competitive ability of weeds (Appropriate examples for each ability)

(e) Harmful effects of weeds (appropriate examples for each effect) (See Appendix II for weeds to be studied)

Chemical Weed Control

(a) Herbicide Classification

(b) Herbicide mode of action

(c) Herbicides and the environment

(d) Herbicide resistance

(e) Herbicide injury

Mechanical Weed Control

(a) Weed Pulling

(b) Mowing

(c) Mulching

(d) Tillage

(e) Soil Solarization

(f) Fire

(g) Flooding

Cultural Weed Control
(a) Timing
(b) Using Trapcrops
(c) Sanitation
(d) Water or nutrient management

Biological Weed Control
(a) Predators
(b) Parasitoid Insects
(c) Microorganisms
Legislative Measures

 


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Weeds and Weed Control