PLSCS 3150

Weed Biology and Management

Course Description

Course information provided by the Courses of Study 2018-2019.

Examines principles of weed science. Emphasizes (1) weed biology and ecology, (2) weed-management strategies used in agricultural and natural ecosystems, and (3) chemistry of herbicides in relation to effects on plant growth and the environment. Hands-on laboratory sessions cover weed identification and ecology, crop-weed interactions, herbicide application, selectivity, and symptomology.

When Offered Fall.

Prerequisites/Corequisites Prerequisite: introductory course in biology or botany.

Distribution Category (OPHLS-AG)

• Identify the different life stages of at least 90 weed species commonly found in the Northeastern United States and southern Canada.
• Identify and describe the major biological factors and ecological principles that influence weed growth, population dynamics, invasiveness, and survival.
• Be familiar with the various strategies currently being used to control and/or suppress weeds in different crop and non-crop systems.
• Be familiar with the classification, mode of action, selectivity, and symptomology of commonly used herbicides.
• Calculate and apply the appropriate amount of a given herbicide that is required to treat a specific area using a backpack sprayer.
• Appreciate the diversity and impact that weeds have in different ecosystems.

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