Session 7: Weeds
This session is all about weeds and weed management.
Instructions for Faciliators: Session 7 OPEN THIS FIRST!
Handouts for Sessions 7
- Lecture note pages
- Review questions
- In-class learning activity sheets for session 7
- Plants Out of Place crossword puzzle
- List of relevant resources
All handouts combined
(includes all files above, except answer sheets)
MG Progam Presentation
- The MG Program: WIMGA (663KB)
This unit includes chapters on weeds and weed management, IPM, phenology and pesticide use and safety. Weeds & Weed Management
- Collect seeds of various weeds (example list: those listed in the following video outline), store for 3 months in a refrigerator. Two to three weeks before the class germinate weeds seeds. Bring seedlings to class for seedling identification activities.
- Make a dry-pressed collection of weeds, again including those listed in the video outline. Share collection in class and review identification information.
- Collect and label about 15 common weeds and have them out for display
- : In small groups, discuss the following weeds and appropriate control methods for each using IPM strategies. Be sure to identify its life cycle (annual, perennial, biennial), whether monocot or dicot, form of cultural/mechanical control, and appropriate chemical control (pre- or post-emergent, broad spectrum or selective), if applicable. Publications provided: UWEX A1990 Lawn weed prevention and control; exerpts from Weeds of the North Central US and Canada, pgs 60-61, 170-171, 178-179 250-251, 352-353 Common Weeds: - Ground-ivy - Common purslane - Crabgrass - Dandelion - Quackgrass
Pesticide Use and Safety
- Reading pesticide labels and determining "what is a pesticide" is eye-opening for most.
- Invite a "commercial or lawn care applicator" to class to discuss herbicide information and answer questions.
- Make a collection of herbicide labels from products available to homeowners. Review label information in class including: A. Name; brand name and chemical name B. Ingredient statement C. Formulation; dust or liquid D. Directions for use; pests controlled, application to harvest interval, rate of application, and how to apply E. Review precautionary statements including: signal words, human safety, environmental hazards, re-entry intervals, storage and disposal F. Review any other information