Question Set 3 for the CEU Series

To earn one continuing education unit for the Florida pesticide applicator license, read the article "Describing Weeds And Herbicides" in the April 2009 issue of Florida Grower magazine.Submit your answers, along with your license number, to be graded. If you answer enough questions correctly, you'll receive a validated CEU attendance form good for one Private Applicator, Ag Row Crop, Ag Tree Crop, Forestry, Natural Areas Management, Ornamental & Turf, Right-of-Way, Commericial Lawn & Ornamental, Limited Lawn & Ornamental, or Limited Landscape Maintenance CEU. You can e-mail replies to Lamberts at lamberts@ufl.edu or fill out the form below.

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1. A weed can be defined as a plant _________ or a plant ________, ________?

2. The main effects of competition by weeds are?
A. They cause loss of aesthetic value or revenue and reduction in output.
B. They cause reduction in yield or quality or loss of aesthetic value.
C. They may cause allergic reactions or poisoning or reduction in yield .
D. AnyThey may harbor diseases and insects or cause allergic reactions or reduction in quality.

3. Perennial weeds are difficult to control because _________.

4. Annual weeds are usually found in ________ such as ________ and ________ in ________.?

5. Purple nutsedge is difficult to control because it has _________ which are _________.

6. The four methods of integrated pest management (IPM) for weed control are:
A. Biological control, mulching, using weed free seed, and using herbicides
B. Biological control, mulching, sanitation, and chemical control
C. Biological control, cultural control, sanitation and chemical control
D. Biological control, cultural control, cleaning equipment thoroughly and using herbicides

7. Contact herbicides kill _________ while translocated herbicides are _________?

8. Key differences between selective and non-selective herbicides are that selective herbicides kill _________ plants while non-selective herbicides kill _________ plants _________.

9. Foliar herbicides are usually applied to _________ while soil applied herbicides are _________.

10. Preemergence herbicides are usually used _________ and postemergence herbicides are used _________.

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