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Dave from United States writes

What is the best insecticide spray for Japanese Beetles? I need to spray my shrub roses.

Answer:

Ferti-lome Liquid Carbaryl Garden Spray can be used on Fruit, Citrus & Shade Trees & Lawns, Ornamentals, Shrubs, Flowers & Vegetables to control a wide variety of insect pests including Japanese Beetles. You would use 4 tsp (1/2 an ounce) per gallon of water and repeat sprays as necessary up to 6 times per year. Please let us know if you have any other questions.

Answer last updated on: 07/14/2013

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