Test Two

Question 1

When did Jack o Lanterns gain popularity?

Answer 1

1800s

Question 2

What pumpkin fungus lives in definitely in the soil which makes reoccurring outbreaks.

Answer 2

Sclerotinia

Question 3

What was the ancient Gaelic festival thats thought to be one of the first Halloweens?

Answer 3

Samhain

Question 4

What was the name of the first Jack o Lantern?

Answer 4

Stingy Jack

Question 5

What are the four types of herbicides?

Answer 5

Contact, Systemic, Selective, Non selective

Question 6

What does IPM stand for?

Answer 6

Insect Pest Managment

Question 7

What are the six steps to an IPM program?

Answer 7

Identify, Know, Monitor, Threshold, Decide, Evaluate

Question 8

What is the IPM Order of Control?

Answer 8

Non-Chemical, Biological, Chemicals

Question 9

What is the biggest prevention matter to prevent pests?

Answer 9

Sanitation

Question 10

What are some natural enemies?

Answer 10

Diseases, Predators and Parasites

Question 11

What is a fungi and bacteria that live in other plants without harming them?

Answer 11

Endophytes

Question 12

What predator can control Ladybugs?

Answer 12

Aphids

Question 13

What does the tomato hornworm control?

Answer 13

Braconid wasp

Question 14

What is the most important thing of releasing a biological control?

Answer 14

Timing and knowing each species

Question 15

Why should someone use biological control?

Answer 15

Cost
Less environmental harm
Less insect resistance to chemicals

Question 16

What can control aphids?

Answer 16

Parasitic wasps

Question 17

What can control the Fungus Gnats?

Answer 17

Praying Mantas

Question 18

The Green Lacewings control which pest?

Answer 18

Spider mites

Question 19

What two plant concerns can be helped with biological conrtols?

Answer 19

Pythium and Soil Issues

Question 20

What is usually needed for Leaf spots to occur?

Answer 20

Water for the infection (common on wet humid days)

Question 21

What pathogens can cause leaf spots

Answer 21

Bacteria and Fungal

Question 22

What differs between a leaf spot and blight?

Answer 22

Blight will keel the entire leaf

Question 23

When is blight most severe?

Answer 23

Wet and stressful times

Question 24

What is the most common Blight?

Answer 24

Butrytis (fungal)

Question 25

What pathogens can cause blights?

Answer 25

bacteria and fungal

Question 26

If a plant has a gray mold what is most likely the cause?

Answer 26

Blight

Question 27

What is the top and bottom of a leaf called?

Answer 27

Top is sheath and bottom is blade

Question 28

What is a rust?

Answer 28

A fungi that starts as a pale spot

Question 29

What begins as a green palish spot on the leaf and turns into white or gray?

Answer 29

Powdery mildew

Question 30

Describe the powdery mildew and its hosts.

Answer 30

Appears on the top leaf and looks the same on every host but is also very host specific.

Question 31

Where is Downey mildews seen?

Answer 31

Brown or fuzzy white on the underside of the leaf

Question 32

For what disease must you remove infected plants?

Answer 32

Downy Mildew

Question 33

What fungi causes Downey Mildew??

Answer 33

Oomycetes

Question 34

What are different rot types?

Answer 34

Root, stem and crown rots

Question 35

What is a symptom of vascular wilts?

Answer 35

Wilting and yellowing of foliage

Question 36

What is the most common Mosaics?

Answer 36

Tobacco Mosaic Disease

Question 37

What are some disease prevention methods?

Answer 37

Spacing, Depth, Fertilizer, Mulching and watering

Question 38

Name two places that take soil samples?

Answer 38

SDSU Soil Testing and Extension Offices

Question 39

What are positive and negatively charged ions called?

Answer 39

Cation and Anion

Question 40

What is the CEC?

Answer 40

The Cation Exchange Capacity, is total amount of cations that a soil can retain. The higher it is the more nutrients that are available

Question 41

When does soil CEC increase

Answer 41

When clay, pH and organic matter increases

Question 42

What cations with one or two positive charges called?

Answer 42

Monovalent and divalent (opposites attract)

Question 43

What is a common issue seen in clay in the northern states?

Answer 43

Permafrost

Question 44

How do you find the Nitrogen in a bag?

Answer 44

size of bags X percent in bag | 50 lbs X 0.26 N= 13lbs nitrogen

Question 45

How do you measure Potassium?

Answer 45

50 lbs X amount on the bag. Then that total X 0.83

Question 46

What type of containers are used for media?

Answer 46

Standard Azalea Pot Bulb Pan

Question 47

Describe Soil as an amendment.

Answer 47

Its heavy, variable pH, no nutrients and good drainage

Question 48

Describe the Sphagnum Moss.

Answer 48

Great buffer, pH is 3.5, little nutrient value

Question 49

Describe Vermiculite

Answer 49

Good buffer, pH is 7.0 or more, drains and holds water

Question 50

What are the four vermiculite types?

Answer 50

1,2,3,4 (largest to smallest)

Question 51

Describe Perlite

Answer 51

No buffer, pH from 6-8. Volcanic origin, contains fluoride

Question 52

Which animal manure has the highest nitrogen levels?

Answer 52

Sheep