Arbor-OTC

To ensure continuous protection from Phytophthora diseases, how often should the product be applied?

• 3-4 times annually ✓
• Once every six months
• Once per season
• Monthly

Answer: The label instructions specify to apply 3-4 times annually for continuous protection.

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According to the label restrictions, on which type of plants is Arbor-OTC prohibited for use?

• Food or medicinal plants ✓
• Ornamental shrubs and flowers
• Large deciduous trees
• Grass and turf

Answer: The label specifies the product is for use on non-food bearing palms only and is not for use on food or medicinal plants.

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If a technician uses 28 grams of Arbor-OTC with 250 mL of water, what is the approximate yield and treated DBH?

• 264 mL yield; treats approx 100 inches of treated DBH ✓
• 1200 mL yield; treats approx 500 inches of treated DBH
• 26.4 mL yield; treats approx 10 inches of treated DBH
• 13.2 mL yield; treats approx 5 inches of treated DBH

Answer: The mixing table states that 28 grams per 250 mL water yields 264 mL and treats approx 100 inches of treated DBH.

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Under which environmental condition is Arbor-OTC application prohibited?

• Trees in a state of drought stress ✓
• Trees in high humidity
• Trees in full sunlight
• Trees in shaded areas

Answer: The restrictions state do not apply to trees that are in a state of drought stress.

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Which specific bacterial diseases is Arbor-OTC formulated to treat?

• Phytophthora Leaf Rot (Lethal Yellowing) and Texas Phoenix Palm Disease ✓
• Palm Weevil and Aphid infestations
• Fungal Root Rot and Scale insects
• Leaf Spot and Spider Mites

Answer: The label states the product is specifically formulated to treat Phytophthora Leaf Rot (Lethal Yellowing) and Texas Phoenix Palm Disease.

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Which set of Personal Protective Equipment (PPE) is required when applying Arbor-OTC?

• Long sleeves, long pants, waterproof chemical-resistant gloves, and protective eyewear ✓
• Short sleeves, shorts, latex gloves, and a face shield
• Long sleeves, long pants, cotton gloves, and a respirator
• Full body suit, rubber boots, and a hard hat

Answer: The label requires long sleeves, long pants, chemical-resistant gloves made of waterproof material, and protective eyewear.

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When treating Texas Phoenix Palm Disease, how should the application amount be adjusted?

• Apply 3 times the amount listed in the table ✓
• Apply half the amount listed in the table
• Apply the same amount as Phytophthora Leaf Rot
• Apply twice the amount listed in the table

Answer: The notes for Texas Phoenix Palm Disease state to apply 3 times the amount listed in the table.

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Which of the following is a restriction regarding the physical state of the target tree?

• Do not apply to trees that are actively flowering ✓
• Do not apply to trees with brown fronds
• Do not apply to trees taller than 20 feet
• Do not apply to trees in sandy soil

Answer: The label restrictions include not applying to trees that are actively flowering.

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