Pesticide Application and Ornamental Care Practice Flashcards

A set of vocabulary-style flashcards covering sprayer calibration, pest detection, equipment maintenance, and plant care based on the lecture transcript.

When calibrating your sprayer, you collect 5 gallons of material in two minutes, what is the flow rate of your system without pressure changes?

$$2.5\,\text{gallons per minute}$$

What is the optimal depth for preparing a turfgrass seedbed?

$$6\,\text{inches}$$

Why are spider mites difficult to detect?

Difficult to detect on ornamental plants because they are very small.

Which of the following terms is described as the timely detection of problems to prevent significant plant injury by a pest?

Monitoring

If no instructions are provided by the manufacturer, how often should filters for a cartridge respirator be changed?

Every $8\,\text{hours}$

When should fungicidal sprays FIRST be applied to a crabapple tree to be most effective against apple scab?

Fungicidal sprays should first be applied to a crabapple tree when the leaf buds swell.

On the average, how much water (irrigation or rainfall) do woody ornamentals need during the growing season?

An average of $1\,\text{inch per week}$ of irrigation or rainfall during the growing season.

What is the name of an annual grass that has a silvery plant center and zipper like seed heads?

Goose grass

What type of application equipment is best suited for spot treatments?

Backpack sprayer

Which of the following pesticide formulations dissolves in water?

Soluble powders (SP)

Phenoxy-type herbicides (like 2,4-D and MCPP) can cause what type of damage when drifted onto woody ornamental plants?

Leaf curling and distortion

How often should newly laid turtgrass sod be watered?

daily for 2-3 weeks

When does bluegrass billbug become noticeable?

Mid summer (June/ July)

How are white grubs best controlled?

Using a soil active insecticide to kill small grubs in soil

Which of the following items is NOT a factor that influences the selectivity of herbicides?

Foot traffic in an area

What should you do with clothing that has become soaked with full strength concentrate pesticides?

Discard clothing with any ppe contaminate

What soil condition favors the appearance of iron chlorosis in susceptible plants?

At a PH>6.7

Which of the following is NOT a contributing factor to herbicide injury on ornamental plants?

Large sprayer droplets at low sprayer pressure

What is the key to successful pest management?

Correct diagnosis

What is the identity of a clump-like weed with arrow-shaped leaves?*

Red sorel

What treatment window is most effective in controlling scale insects with contact sprays?

During crawler emergence

Improperly timed insecticide applications for woody ornamental pests can result in which of the following consequences?

Harm natural enemy populations

Sawflies are:

Immature stages of wasps

What is the general rule for how much turfgrass should be removed in a single mowing?*

Maximum of 1/3 of total leaf area

What is the term referring to the downward movement of pesticides in the soil?

Leaching

Which of the following items is true for pythium blight?*

Dead patches can enlarge rapidly and kill large turtgrass areas.

Which turfgrass pest has a larva with a V-shaped pattern of hairs on the raster?

Annual white grub

Which of the following statements is true for pre-emergence herbicides?

They are effective just as weeds begin growth from seeds

Which of the following statements describes rust on turfgrass?

It forms powdery red or yellow-orange spots on grass blades

Which biotic disease is spread through root grafts and sap-feeding beetles?

Oak wilt

The greatest chance of pesticide poisoning occurs during which of the following operations?

Mixing and loading pesticides

Which of the following items can be considered an advantage for using mulch in small ornamental beds?

Reduction of emerging weeds

What life cycle describes both common ragweed and purslane?

annual

Above what temperature should you NOT apply a highly volatile formulation of 2,4-D?

Above 85 degrees Fahrenheit

Which of the following items is NOT a management tool used to control most fungal diseases on turfgrass?

Watering irregularly