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Sample questions
Which of the following plant diseases is Harbour specifically listed to control in philodendron?
- Bacterial leaf rot
- Crown gall
- Bacterial spot
- Soft rot
Show answer
The label states Harbour is used to control bacterial leaf rot in philodendron.🔗 Source
When treating celery for bacterial blight, when should the first spray be applied?
- At 20-30% bloom
- When seedlings are in the 2-leaf stage
- At petal fall
- When plants are the size of a dime
Show answer
For celery, the label instructs to apply the first spray when seedlings are in the 2-leaf stage.🔗 Source
According to the label, how should Harbour be applied to potato cuttings to control soft rot and blackleg?
- As a foliar spray every 10-14 days
- By soaking cut seed pieces in streptomycin solution for several minutes
- By applying 200 ppm at petal fall
- By spraying at 20-30% bloom
Show answer
The label notes to soak cut seed pieces in streptomycin solution for several minutes for potatoes.🔗 Source
To achieve a finished strength of 50 ppm for general use, how much product should be mixed per 500 gallons of water?
Show answer
The mixing instructions state 20 oz. per 500 gal. results in a 50 ppm finished strength.🔗 Source
What is the required application rate for treating peppers for bacterial spot?
- 50 ppm at 600 gals./A
- 100 ppm
- 28.8 oz. per acre (60 ppm at 600 gals./A)
- 200 ppm
Show answer
The label specifies 28.8 oz. per acre, which is 60 ppm at 600 gals./A, for peppers.🔗 Source
Which of the following is a required component of Personal Protective Equipment (PPE) when handling Harbour?
- A NIOSH-approved respirator with an N, R, P, or HE filter
- A full-body waterproof suit
- Safety goggles with side shields
- A chemical-resistant apron
Show answer
The label requires a NIOSH-approved respirator with N, R, P, or HE filter.🔗 Source
Where is Harbour specifically noted as being used for an indoor application?
- Tobacco
- Peppers
- Philodendron
- Roses
Show answer
The label lists philodendron as an indoor application for bacterial leaf rot.🔗 Source
Which of these is a prohibited application site for Harbour?
- Home garden apple trees
- Intertidal areas below the mean high water mark
- Tobacco fields
- Rose bushes
Show answer
The restrictions state do not apply to intertidal areas below the mean high water mark.🔗 Source
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