C27 License Pest and Disease Management

Question 1

What is the core principle of Integrated Pest Management (IPM) as applied to landscaping?

Accepted Answer

Using a combination of biological, cultural, mechanical, and chemical controls to minimize pest damage while reducing risk

Answer

IPM is a holistic approach that combines multiple control methods to manage pests effectively while minimizing environmental and health risks.

Question 2

Which pesticide application method is most appropriate for targeting soil-dwelling pests such as grubs?

Accepted Answer

Soil drench or granular application incorporated into the root zone

Answer

Soil drench or granular applications deliver pesticide directly to the root zone where soil-dwelling pests like grubs reside.

Question 3

Under California law, which document must a landscaping contractor possess before applying restricted-use pesticides (RUPs)?

Accepted Answer

A Qualified Applicator License (QAL) or certificate from the CDFA

Answer

California requires a Qualified Applicator License (QAL) or Qualified Applicator Certificate (QAC) issued by CDFA to legally purchase and apply restricted-use pesticides.

Question 4

What is the primary visual indicator of powdery mildew on landscape plants?

Accepted Answer

White to grayish powdery coating on leaf surfaces and stems

Answer

Powdery mildew is a fungal disease identified by white or grayish powdery fungal growth on the surfaces of leaves and stems.

Question 5

Which of the following is an example of a biological control method for managing aphid populations in a landscape?

Accepted Answer

Releasing or encouraging populations of ladybugs (Coccinellidae)

Answer

Ladybugs are natural predators of aphids and represent a biological control method within an IPM program.

C27 License - C-27 Landscaping Contractor License Practice Test

C27 License - C-27 Landscaping Contractor License Practice Test

C27 License Pest and Disease Management