Practice 8 Harbour exam questions with instant feedback and cited explanations.
Which of the following plant diseases is Harbour specifically listed to control in philodendron?
Answer: The label states Harbour is used to control bacterial leaf rot in philodendron.
When treating celery for bacterial blight, when should the first spray be applied?
Answer: For celery, the label instructs to apply the first spray when seedlings are in the 2-leaf stage.
According to the label, how should Harbour be applied to potato cuttings to control soft rot and blackleg?
Answer: The label notes to soak cut seed pieces in streptomycin solution for several minutes for potatoes.
To achieve a finished strength of 50 ppm for general use, how much product should be mixed per 500 gallons of water?
Answer: The mixing instructions state 20 oz. per 500 gal. results in a 50 ppm finished strength.
What is the required application rate for treating peppers for bacterial spot?
Answer: The label specifies 28.8 oz. per acre, which is 60 ppm at 600 gals./A, for peppers.
Which of the following is a required component of Personal Protective Equipment (PPE) when handling Harbour?
Answer: The label requires a NIOSH-approved respirator with N, R, P, or HE filter.
Where is Harbour specifically noted as being used for an indoor application?
Answer: The label lists philodendron as an indoor application for bacterial leaf rot.
Which of these is a prohibited application site for Harbour?
Answer: The restrictions state do not apply to intertidal areas below the mean high water mark.