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Flashcards in Scouting and Diagnosis Deck (40)
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1

When scouting, what does the system of regular inspections include?

  • Observe overall turf quality
  • Allows early detection of problems
  • Quantify damage levels
  • Collect and evaluate environmental data
  • Evaluate treatment effects

2

What is the Scouting Program?

  • A system of regular inspections
  • Builds historical records
  • Helps in planning and prioritizing

3

What is the Key Plant Key Pest Concept?

Main problems for the most important plants

4

Include all biological information......about what?

  • Plants
  • Disease or Insect

5

What are the Scouting Priorities?

 

  • Focus on Key Plant - Key Pest profiles
  • Follow historic records
  • Consider current environmental conditions
  • follow a regular schedule

6

There are two types of data....what are they and describe them.

  • Qualitative - Yes or No
  • Quantitative - How much or How Many

7

Visual Inspection

 

  • "Hands and Knees" method
  • Closely examine plants with a hand lens

8

Take a Picture

Use a Digital Camera

Cell Phone camera

Helps build historical records

Can send to diagnostician with plug

9

Tug Test

  • primarily for insect diagnosis
  • Pull on turf and see what happens

10

When doing a tug test, you tug and nothing happens...you may have:

Chinch Bugs or Foliar Disease

11

When doing a Tug test, you tug and there is nothing to pull, you may have:

Root or Crown Disease

Cutworm or Armyworm

12

When doind a tug test, you tug and it breaks off at the crown, you may have:

Billbug

ABW

Anthracnose

13

When doing the Tug test, you tug and pull the sod up like a rug, you may have:

white grubs

14

Soil Sampling

 

  • Used for Disease and Insect diagnosis
    • Cup Cutter Plug
    • One inch soil cores

15

What is the measurment of a cup when cut out of the turf?

1/10th of a square foot

16

What are the different ways to sample a plug?

  • Incubate the plug for disease
  • Break apart and count beetle larvae
  • Float it in water for chinch bugs

17

When sampling your soil and detecting insects, what are some ways to have a systematic approach to controling them?

  • Use a grid and determine qualitative and quantitatve  date for each square
  • Map the Populations & Record them

18

What are 1" soil cores used for?

 

  • for Soil testing...
  • when sending to a lab take at least 25 cores from healthy areas

19

Flotation

 

  • used for insect diagnosis
  • drop cup cutter plug into bucket of water
    • or Tin Can method
  • wait for insects to float
  • count them and record information

20

Incubation

 

  • used for disease diagnosis
  • Put plug in moist chamber
  • look for fuzz

21

Disease Detection Kits

 

  • For Disease diagnosis
  • they come in different formats for different diseases

22

Sweep Net

 

  • for insect pest diagnosis
  • better for Ornamentals than Turf
  • Inverted Leaf Blower can be used to vaccum insects for diagnosis too

23

Clipping Basket

 

  • Insect and Disease Diagnosis
  • examine clippings for fungal signs
    • sclerotia, leaf lesions ets.
  • float clippings for insects 

24

Disclosing Solution

 

  • used for insect diagnosis
  • 2 gal. water with 1 oz liquid dish soap (lemon scent)
  • Best on short cut grass and warm, moist soil
  • Pour Solution on turf, it penetrates soil and causes insects to go to surface

25

How can you use disclosing solution to be effective?

  • Use a ratings grid to determine your Quantifiable Data
    • avg # of insects per sq. foot

26

Ratings Grid

  • Make with PVC and string - 1 sq. yard
  • Used to QUANTIFY data
  • used with disclosing solution

27

Use a Weather Station

 

  • Air Temp
  • Soil Temp
  • ET rate
  • Soil Moisture
  • Rainfall
  • Relative Humidity

28

Sil Moisture Meters

 

  • Tests soil moisture for irrigation needs
  • every site is different

29

Degree Day Models

 

  • Used for insect and weed diagnosis
  • Uses Heat Units to predict activity

30

How can you create your own GDD model?

Base of 50 for insects

Base of 32 for seedheads/crabgrass

  • Start March 1st
  • average daily temp
    • subtract Base from avg. daily temp
    • This will give you your GDD # for that day