Final - Section 4

Question 1

What is a pheromone trap?

Answer 1

A trap that uses insect pheromones to attract a specific species.

Question 2

what is qualitative date?

Answer 2

Yes or No

Question 3

what is quantitative data?

Answer 3

How much or How many

Question 4

how should you use your ratings grid with your disclosing solution?

Answer 4

Set the grid on the turf, pour the disclosing soultion out over the entire grid, record both qualitative and quantitative date for each square.

Question 5

name two ways you can avoid compatibility problems when mixing pesticides.

Answer 5

• perform a Jar Test before tank mixing
• Test your water pH before mixing to make sure it’s between 5.5 and 6.2

Question 6

how does mowing influence turf resistance?

Answer 6

• Mowing weakens turf
• Leaves torn leaf blades
• Creates compaction
• Some fungi spread with the mower

Question 7

List 3 ways pesticides are named:

Answer 7

• Common Name
• Group Name
• Trade Name

Question 8

define economic threshold:

Answer 8

Pest population is high enough to reduce plant quality
greater than it costs to control it

Question 9

define tolerance threshold:

Answer 9

Damage level clientele can tolerate – subjective threshold
based on predetermined quality level

Question 10

compare fungicide and fungistat

Answer 10

• Fungicides kill the pathogen
• Fungistate prevent growth and development

Question 11

what is biochemical mode of action?

Answer 11

It is based on the toxin’s relationship with the fungus

Question 12

Define efficacy:

Answer 12

the ability to produce the desired or intended result

Question 13

List the 3 types of penetrant fungicides:

Answer 13

• Localized
• Systemic
• Acropetal

Question 14

list 2 way to increase the resistance of turfgrass to pest attack.

Answer 14

• Choose resistant varieties
• Use a blend of turfgrass varieties
• Endophyte enhanced soils
• heat treat seeds

Question 15

define degree days:

Answer 15

heat units that are tracked to predict insects and weeds

Question 16

how can you avoid alkaline hydrolosis when mixing pesticides?

Answer 16

• Test the pH of your water
• Use a Buffering agent

Question 17

name two routes of entry into the insect for insecticide

Answer 17

• absorbed through the cuticle
• ingested

Question 18

what are chlorinesterase inhibitors ?

Answer 18

They turn electrical impulses of nerve cells on and off

Question 19

What type of fungicide can be effective in granular formulation?

Answer 19

Heritage

Question 20

Name a synthetic fungicide that can be considered a biocontrol

Answer 20

Heritage

Question 21

What is a multi-site toxin?

Answer 21

a toxin that affects multiple metabolic sites

Question 22

What is antibiosis?

Answer 22

biological interaction between two or more organisms that is detrimental to at least one of them

Question 23

What are the best nozzle types for disease control?

Answer 23

Flat fan nozzles get the best coverage