Exam 2 Flashcards
- Plant identification can be learned by:
a. experience
b. going to garden centers or nurseries
c. reading books on plant identification
d. visiting an arboretum
e. a, b, c, & d
e
- A property map is helpful for:
a. plant location & identification
b. location of problem
c. communication
d. a stop point for the truck
e. all apply
e
- Plant mateiial in an arboretum may not be representative of what is found in a landscape. (a.) True (b.) False
a
- Three important things that should be noted about plants on a property include:
a. planting depth, ID of plants and size
c. size, pests found, color
b. ID of plants, size, & pests found
d. none apply
b
- It is also advisable to note other things on a property such as fences, ponds, gates, bird feeders, toys, and pets. (a.) True (b.) False
a
- The pest code for a beetle on a property map is:
a. (Bt)
b. (Be)
c. (B)
d. (Bl)
c
- The plant code for a crabapple is:
a. A
b. CA
C. C
d. (A)
b
- The symbol J in an oval would indicate that you have:
a. juniper plants
b. a juniper bed
c. a planting of jasmine
d. none of these
b
- Under measurement of a property by only 5 dollars per application for 200 customers with 4 paying applications per season would result in a revenue loss of:
a. $1,000 b. $4,000 c. $5,000 d. $800
b
- The symbol quadrat indicates that the plant is:
a. to be skipped and not treated
b. dead
c. removed
d. none apply
d
- Minimizing pest damage to landscape is still best done by:
a. insect and disease control
b. maintaining healthy plants
c incorporating good cultural practices
d. all are important
e. b&c
d
Obtaining a good pest out line of a market is best done by:
a. checking with local horticultural busine sses
b. discussion with local extension agents
c. you really need to work your way through for a season
d. all are important
d
- Program visits could exceed 8 visits to the property. (a.) True (b.) False
a
- Weed control materials should not be on a tree and shrub truck because:
a. timing is not correct
c. liability is a major factor
b. can’t do both at same stop d. a, b, & c
c
- A healthy plant can withstand up to what percent defoliation before it starts to impact on energy reserves?
a. 10%
b. 30%
C. 50%
d. 15%
b
- The visual impact of insect activity becomes noticeable at what percentage of leaf damage ?
a. 5-10%
b. 30%
c. 10-15%
d. 5 %
c
- As a Plant Health Care technician in a new market area, you should be very observant of plant and their problems. (a.) True (b.) False
a
- The best time to apply a pesticide is:
a. when the problem is fully evident
b. after the damage, to protect new growth
c. early in a pest’s life cycle or just before it develops
d. all apply
c
19 A common problem on a young landscape is often related to transplant shock. (a.) True (b.) False
a
- Plant competition may be a problem in old landscapes.
(a. ) True (b.) False
a
21 When selling a Plant Health Care program to a potential client, one should point out that the program will:
a. not eliminate all pest problems
b. still result in some leaf spots and insect feeding
c. result in a picture book landscape
d. a& b
d
- One should be able to recognize insects by their:
a. feeding habits
b. seeing the insect
c. knowing the plant material
d. a, b, & c
d
- An insect life cycle generally refer to:
a. the egg stage
d. egg stage to egg laying adult, feeding habits, reproduction, etc.
b. the adult
c. the weather
e. none apply
d
- Honeydew, the excrement from aphids can favor a fungus often referred to as:
a. leaf blight
b. sooty mold
c. sticky sap
d. a, b,&c
b
- A biological control of aphids is the:
a. Lady bug
b. lacewing
c. syrphid flies
d. a, b, & c
d
- Treating a tall tree should be done by:
a. spraying
b. using a horticultural oil
c. soil or trunk injection
d. a, b, & c
c
- Control of scales may be difficult because the outer body is often covered with:
a. a waxy coating
b. woolly hairs
c. wings
d. none apply
a
- A heavy scale infestation on a plant may be identified by:
a. an unthrifty plant
c. visual presence of the scale
b. presence of honey dew d. a, b, & c
d
- Leaf hoppers, lace bugs, and plant bugs belong to an insect group with:
a. chewing mouth parts
c. rasping mouth parts
b. sucking mouth parts
d. a, b, & c
b
- Insects that inject toxins into leaf tissue can produce symptoms that almost resemble:
a. a burn
c. leaf spot
b. leaf scorch
d. all apply
d
- Spider mites are not insects.
a True
b False
a
- Spider mites can be a hot dry or a cool moist weather problem
(a. ) True (b.) False
a
- A chewing type insect can be
a. holes in leaf tissue
b. missing leaves
c. partially consumed leaves
d. a, b, & c
d
- Early season defoliators that removal the leaves from plant will usually kill the plant
a true
b false
b
- Leaf feeding insects often follow a cyclic pattern because of
a. weather patterns
b. predator insects
c. parasitic fungi
d. all apply
d
- Early spring feeding insects may be aesthetically unpleasing, but generally do not kill plant unlessthere are some other factors involved. (a.) True (b.) False
a
- Summer feeding insects may consume, mine, skeletonize, or web together leaves.
(a. ) True (b.) False
a
- Late summer feeding insects are generally not considered serious to plants in northern climates. (a.) True (b.) False
a
- Clearwing moths, the adult stage of one group of borers, often resemble:
a. bees b. hornets c. wasps d. b &c
d
- The larval stage of a clearwing moth has a feeding habit.
a. traight line c. random
b. cambium/phloem d. all apply
c
- Control of clearwing borers is best if certain factors are considered such as:
a. site where plant s growing c. protective spray
b. plant species
d. all apply
d
- A flat head borer larva can be identified by its:
a. legs
b. flattened area behind the head
c. color
d. all apply
b
- An adult flat bead borer looks like a
a. moth
b. boat shaped beetle
c. longhorned beetle
d. snout beetle
b
- Bark beetles generally attack weakened trees but can also be found on healthy trees. (a.) True (b.) False
a
45 The adult of a round head borer is often a longhorned beetle. (a.) True (b.) False
a
46 Gall making insects are capable of redirecting the plants energy for their own use.
(a.) True (b.) False
a
47 Gall making insects are a serious threat to woody plants. (a.) True (b.) False
b
48 Weevil larva may be found feeding on the roots as well as terminal shoots of some plants. (a.) True (b.) False
a
49 Controlling weevils is generally aimed at the
a. larval stage
b. egg stage
c. adult stage
d. none of these
c
50 An insect with a sucking mouth parts would be:
a. an aphid
b. a leaf hopper
c. a lace bug
d. a thrip
e. all but d
e
5 1. High aphid population can build up under favorable conditions because they produce living young
. (a.) True (b.) False
a
- A natural control of an aphid population may be:
a. lady bug
b. a beating rain
c. lace wing
d. a,b&c
d
- The ideal time to control most scale insects is in the crawler stage.
(a) True
(b) False
a
- Spider mite damage can mimic some other insects such as leaf hoppers and lacebugs
(a. ) True (b.) False
a
- A quick test to determine if spider mites are present on plant tissue is to use:
a. the paper test
c. a & b are both effective
b. a hand lens
d. sticky tape test
c
56. Spider mite population can build quickly because under ideal conditions the can go from egg to egg laying adult in: a. 2-3day b. 10-15day c. 15-60day d. 5-10 day
d
- A true rasping insect that may occasionally be encountered on some landscape plants is a:
a. plant bug b. thrip c. spider mite d. leaf hoppers e. all apply
b
- Plants that are weak, sick or in low vigor are most likely to be attacked by:
a. aphids
b. boring insect
c. defoliating insects
d. all apply
b
- The best approach to controlling most insect is to be familiar with their:
a. adult forms
b. feeding stage
c. over wintering habits
d. life cycle
d
- Disease control is different from insect control because you often have to:
a. wait to see the problem c. monitor weather condition
b. do something before you see a problem
d. none apply
b
- The criteria for a disease problem to become apparent is referred to as a disease triangle which considers the host, pathogen, and climatic conditions.
(a) True (b.) False
a
- One must be cautious with the specific plant quality of resistance because it does not apply
to all diseases and insects.
(a.) True (b.) False
a
- Pathogens or organisms are easily transported by plant material, man, wind water,
insects, etc. (a.) True (b.) False
a
- Fungi are microscopic plants but do not have chlorophyll so they must obtain their food
sustenance from other tissue. (a.) True (b.) False
a
65 Bacteria are another group of single cell organism that attack plants but now here in the number when compared to the fungi.
(a.) True (.b ) False
a
Virus can only be seen with an electron microscope but can be purified to act Like a chemical compound or living material. (a.) True (b .) False
a