Question Set 5 for the CEU Series

To earn one continuing education unit for the Florida pesticide applicator license, read the article "Factors Affecting Fumigant Performance" in the June 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 in agriculture row-crop, private applicator, and soil and greenhouse fumigation. You can e-mail replies to Crystal Snodgrass at crys21@ufl.edu or fill out the form below.

* All Fields Required

1. A general rule is that beds should be above what temperature for two weeks after application?
A. 86°F
B. 42°F
C. 32°F
D. 50°F

2. Methyl bromide alternatives will still provide control if fields are not properly prepared True or False?
A. True
B. False

3. Two factors that affect a fumigants performance that are closely related are _______________ and _______________.

4. Use of a highly retentive film such as VIF or metalized film works best during which season?
A. Summer
B. Winter
C. Fall
D. Spring

5. The factor that is LEAST important when choosing a fumigant is:
A. Knowing the type of soil you have
B. The capabilities of your rig
C. The fumigant itself
D. Fitting the fumigant in with your production system

6. If beds are not properly compacted most fumigants will escape through air channels on the outsides of the beds.
A. True
B. False

7. Two benefits of using drip applied fumigants to terminate the crop are _______________ and _______________.

8. Fumigants containing __________, __________, __________ can have a long plant back if the soil remains wet after application.

9. The best person to contact for help with fumigation equipment changes is your fumigant supplier.
A. True
B. False

10. If a shank applied fumigant is applied when the soil is too dry then the fumigant:
A. Will stay in the bed too long possibly causing a longer plant back.
B. Will escape and may not control soil-bourne pests.
C. Will only move vertically through the soil.
D. Will not change from the liquid to gaseous phase.

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