WOODY LANDSCAPE PLANTS TEST 1
OCTOBER 1, 1998


 

PUT YOUR NAME ON THIS TEST AND RETURN IT
PUT ANSWERS TO QUESTIONS 1-39 ON OPSCAN SHEET
PUT ANSWER TO QUESTIONS 40-43 ON THIS TEST

 

Use the following to answer questions 1 through 5.

1. Species A: zone 3a - 5b

2. Species B: zone 3b - 8b

3. Species C: zone 6b - 9a

4. Species D: zone 7a - 9b

 

 

  1. Which species is most cold hardy?

    (1)


  2. Which species is most likely to be used in a container placed on a patio for 12 months a year in Blacksburg?

    (1)


  3. Which species has the greatest tolerance to high summer temperatures?

    (1)


  4. Which species would provenance most likely be an issue?

    (1)


  5. According to the listed hardiness zones, only one of these species is suited to Blacksburg; which one?

    (1)


  6. Hydrangea typically have showy flowers and are generally drought tolerant.

    (2)

    1. true
    2. false


  7. Your soil pH is 6.8. Thus, your Hydrangea macrophylla flowers will be:

    (2)

    1. blue due to increased available aluminum
    2. blue due to increased available iron
    3. pink due to low aluminum availability
    4. pink due to low iron availability


  8. Most woody cultivars are propagated

    (3)

    1. sexually and are true to seed
    2. sexually and are generally not true to seed
    3. asexually and are true to seed
    4. asexually and are generally not true to seed



    For questions 9 through 12: You prune this species in the fall of 1998. How would this affect the following? Base your answer on the correct time of flowering.



  9. Hydrangea paniculata 'Grandiflora' will have:

    (2)

    1. showy flowers next spring
    2. showy flowers next Aug./Sept.
    3. no or few showy flowers next spring
    4. no or few showy flowers next Aug./Sept.


  10. Hydrangea macrophylla will have:

    (2)

    1. showy flowers next spring
    2. showy flowers next July
    3. no or few showy flowers next spring
    4. no or few showy flowers next July


  11. Hydrangea arborescens will have:

    (2)

    1. showy flowers next spring
    2. showy flowers next July
    3. no or few showy flowers next spring
    4. no or few showy flowers next July


  12. Lagerstroemia will have:

    (2)

    1. showy flowers next spring
    2. showy flowers next summer
    3. no or few showy flowers next spring
    4. no or few showy flowers next summer


  13. Acer japonicum is a:

    (3)

    1. small tree with very colorful fall foliage
    2. small tree with showy flowers but an inconsistent fall foliage color
    3. medium/ large tree with very colorful fall foliage
    4. medium/large tree but an inconsistent fall foliage color


  14. The species that DOES NOT have an exfoliating or peeling bark is:

    (3)

    1. Acer griseum
    2. Acer tegmentosum 'White Tigress'
    3. Hydrangea quercifolia
    4. Hydrangea anomala subsp. petiolaris
    5. Betula nigra
    6. #3 and #4


  15. Which pair (both species) has fragrant flowers?

    (3)

    1. Clethra alnifolia and Buddleia alternifolia
    2. Clethra alnifolia and Hydrangea macrophylla
    3. Buddleia alternifolia and Hibiscus syriacus
    4. Calycanthus floridus and Hibiscus syriacus


  16. Betula lenta is a:

    (3)

    1. shrub that tolerates wet soil and has great fall foliage color
    2. shrub that tolerates dry soil and has great fall foliage color
    3. tree that tolerates wet soil and has great fall foliage color
    4. tree that tolerates dry soil and has great fall foliage color
    5. tree that tolerates dry soil but has a poor fall foliage color


  17. You read (perhaps) Dirr's paragraph on disease and insects of Gleditsia triacanthos var. inermis. In essence, he said:

    (3)

    1. few pests, should be used more
    2. few pests, need more cultivars
    3. many pests but pretty tough and should be used more
    4. many pests; monoculture plantings led to the death of large scale plantings of this sp.
    5. many pests; select the appropriate cultivar



    Questions 18 through 23:
    Select the most appropriate characteristic for each the following cultivars from the list.



    1. great fall foliage color
    2. dwarf or compact habit
    3. disease resistance
    4. red stems in winter
    5. exceptional flowers
    6. purple foliage
    7. variegated foliage

  18. Acer palmatum 'Osakazuki'

    (2)


  19. Acer palmatum 'Sango Kaku'

    (2)


  20. Acer platanoides 'Cimson King'

    (2)

  21. Clethra alnifolia 'Hummingbird'

    (2)


  22. Acer rubrum Red Sunset®

    (2)


  23. Laburnum x watereri 'Vossii'

    (2)


  24. In addition to a showy bark, Lagerstroemia fauriei is noted for its resistance to:

    (3)

    1. Japanese beetles
    2. Verticillium wilt
    3. leaf scorch
    4. powdery mildew
    5. canker


  25. Red-leaved forms of Acer palmatum grown in the shade are likely to have:

    (3)

    1. the usual color red foliage
    2. a red color which is more intense than when grown in the sun
    3. green or only slightly red foliage
    4. leaf scorch
    5. psoriasis



    For questions 26 through 30, do the following consistently have colorful fall foliage?



  26. Hydrangea quercifolia

    (2)

    1. yes
    2. no


  27. Hydrangea paniculata 'Grandiflora'

    (2)

    1. yes
    2. no


  28. Acer negundo

    (2)

    1. yes
    2. no


  29. Acer griseum

    (2)

    1. yes
    2. no


  30. Itea virginica

    (2)

    1. yes
    2. no


  31. Which selection contains plant(s) that DO NOT have conspicuously showy flowers:

    (3)

    1. Sophora japonica
    2. Wisteria floribunda
    3. Robinia pseudoacacia
    4. Euonymus alatus 'Compactus'
    5. Acer platanoides
    6. both #3 and 4


  32. Which group consists of trees (or large shrubs) that are ALL generally considered small (<25 feet tall)?

    (4)

    1. Acer palmatum, Sophora japonica, Cladrastis kentukea
    2. Acer buergerianum, Acer ginnala, Acer platanoides
    3. Lagerstroemia indica, Acer griseum, Laburnum x watereri
    4. Laburnum x watereri, Gymnocladus dioicus, Acer campestre
    5. Betula nigra, Oxydendrum arboreum, Gleditsia triacanthos var. inermis



    For ques. 33 through 36, are EACH of these sp. noted for their tolerance to drought or adverse conditions?




  33. Acer buergerianum, Buddleia davidii, Hypericum calycinum

    (3)

    1. yes
    2. no


  34. Acer platanoides, Gymnocladus dioicus, Robinia pseudoacacia

    (3)

    1. yes
    2. no


  35. Cladrastis kentukea, Acer japonicum, Campsis radicans

    (3)

    1. yes
    2. no


  36. Lagerstroemia sp., Hydrangea macrophylla, Acer ginnala

    (3)

    1. yes
    2. no



    For ques. 37 through 39, are EACH of these sp. noted for their tolerance to wet soils?




  37. Catalpa sp., Acer saccharinum, Oxydendrum arboreum

    (3)

    1. yes
    2. no


  38. Clethra alnifolia, Acer rubrum, Cephalanthus occidentalis

    (3)

    1. yes
    2. no


  39. Acer saccharinum, Acer negundo, Itea virginica

    (3)

    1. yes
    2. no



    FOR THE QUESTIONS BELOW, WRITE ANSWERS DIRECTLY BENEATH THE QUESTION




  40. What is the term to describe a plant that is pruned to a single stem?

    (2)


  41. Name two ways in which cultivars originate (not propagation).

    (2)

    1.
    2.


  42. The term which describes a species that has separate sex plants

    (2)


  43. The three cultivar selection criteria for Gleditsia triacanthos var. inermis are:

    (3)

    1.
    2.
    3.




    BONUS:



    (3)

    Give the family names (correctly spelled) for each of the species below:

    Vaccinium corymbosum =







    Cladrastis kentukea =








    This plant was grown to provide fish bait:


  44. Clethra alnifolia, Acer rubrum, Cephalanthus occidentalis

    (3)

    1. yes
    2. no


  45. Acer saccharinum, Acer negundo, Itea virginica

    (3)

    1. yes
    2. no



    FOR THE QUESTIONS BELOW, WRITE ANSWERS DIRECTLY BENEATH THE QUESTION




  46. What is the term to describe the "either/or" scheme to identify a plant sp.?

    (2)


  47. Name two specific propagation techniques which are employed for cultivars.

    (2)

    1.
    2.


  48. The term which describes a species that has both sexes on the same plant.

    (2)


  49. The three cultivar selection criteria for Lagerstroemia indica are:

    (3)

    1.
    2.
    3.



    BONUS:



    (3)

    Give the family names (correctly spelled) for each of the species below:

    Vaccinium corymbosum =





    Cladrastis kentukea =





    This bark of this plant was used for birch beer:
 

 

 

WOODY PLANTS TEST 1
OCTOBER 5, 1998

 

 

Use the following to answer questions 1 through 5.

1. Species A: zone 3a - 5b

2. Species B: zone 3b - 8b

3. Species C: zone 6b - 9a

4. Species D: zone 7a - 9b

 

  1. Which species is most cold hardy?

    (1)


  2. Which species is most likely to be used in a container placed on a patio for 12 months a year in Blacksburg?

    (1)


  3. Which species has the greatest tolerance to high summer temperatures?

    (1)


  4. Which species would provenance most likely be an issue?

    (1)


  5. According to the listed hardiness zones, only one of these species is suited to Blacksburg; which one?

    (1)


  6. The least hardy portion of an entire plant is the flower bud.

    (2)

    1. true
    2. false


  7. Your soil pH is 6.8. Thus, your Hydrangea macrophylla flowers will be:

    (3)

    1. blue due to increased available aluminum
    2. blue due to increased available iron
    3. pink due to low aluminum availability
    4. pink due to low iron availability


  8. Most woody cultivars are propagated

    (3)

    1. sexually and are true to seed
    2. sexually and are generally not true to seed
    3. asexually and are true to seed
    4. asexually and are generally not true to seed



    For questions 9 through 12: You prune this species in the fall of 1998. How would this affect the following? Base your answer on the correct time of flowering.



  9. Hydrangea paniculata 'Grandiflora' will have:

    (3)

    1. showy flowers next spring
    2. showy flowers next Aug./Sept.
    3. no or few showy flowers next spring
    4. no or few showy flowers next Aug./Sept.


  10. Hydrangea macrophylla will have:

    (3)

    1. showy flowers next spring
    2. showy flowers next July
    3. no or few showy flowers next spring
    4. no or few showy flowers next July


  11. Buddleia davidii will have:

    (3)

    1. showy flowers next spring
    2. showy flowers next summer
    3. no or few showy flowers next spring
    4. no or few showy flowers next summer


  12. Lagerstroemia will have:

    (3)

    1. showy flowers next spring
    2. showy flowers next summer
    3. no or few showy flowers next spring
    4. no or few showy flowers next summer


  13. Acer saccharum is a:

    (3)

    1. small tree with very colorful fall foliage
    2. small tree but an inconsistent fall foliage color
    3. medium/ large tree with very colorful fall foliage
    4. medium/large tree but an inconsistent fall foliage color


  14. The species that DOES NOT have an exfoliating or peeling bark is:

    (3)

    1. Acer griseum
    2. Acer platanoides
    3. Hydrangea quercifolia
    4. Hydrangea anomala subsp. petiolaris
    5. Betula nigra
    6. #3 and #4


  15. Which pair (both species) has fragrant flowers?

    (3)

    1. Clethra alnifolia and Buddleia alternifolia
    2. Clethra alnifolia and Hydrangea macrophylla
    3. Buddleia alternifolia and Hibiscus syriacus


  16. Hypericum calycinum is a:

    (3)

    1. ground cover (<2'), slow-growing
    2. ground cover (<2'), fast-growing
    3. 3' shrub, slow-growing
    4. 3' shrub, fast-growing


  17. You read (perhaps) Dirr's paragraph on disease and insects of Gleditsia triacanthos var. inermis. In essence, he said:

    (3)

    1. few pests, should be used more
    2. few pests, need more cultivars
    3. many pests but pretty tough and should be used more
    4. many pests; monoculture plantings led to the death of large scale plantings of this sp.
    5. many pests; select the appropriate cultivar



    Questions 18 through 22:
    Select the most appropriate characteristic for each the following cultivars from the list.




    1. great fall foliage color
    2. dwarf or compact habit
    3. disease resistance
    4. red stems in winter
    5. exceptional flowers
    6. purple foliage
    7. variegated foliage
    8. flowers at an early age


  18. Acer palmatum 'Sango Kaku'

    (3)


  19. Wisteria floribunda 'Issai Perfect'

    (3)


  20. Acer platanoides 'Cimson King'

    (3)


  21. Clethra alnifolia 'Hummingbird'

    (3)


  22. Acer rubrum Red Sunset®

    (3)


  23. In addition to a showy bark, Lagerstroemia fauriei is noted for its resistance to:

    (3)

    1. Japanese beetles
    2. Verticillium wilt
    3. leaf scorch
    4. powdery mildew
    5. canker


  24. Red-leaved forms of Acer palmatum grown in the shade are likely to have:

    (3)

    1. the usual color red foliage
    2. a red color which is more intense than when grown in the sun
    3. green or only slightly red foliage
    4. leaf scorch
    5. psoriasis



    For questions 25 through 29, do the following consistently have colorful fall foliage?




  25. Hydrangea quercifolia

    (3)

    1. yes
    2. no


  26. Hydrangea paniculata 'Grandiflora'

    (3)

    1. yes
    2. no


  27. Acer negundo

    (3)

    1. yes
    2. no


  28. Acer griseum

    (3)

    1. yes
    2. no


  29. Acer palmatum

    (3)

    1. yes
    2. no


  30. Which selection contains plant(s) that DO NOT have conspicuously showy flowers:

    (3)

    1. Sophora japonica
    2. Wisteria floribunda
    3. Robinia pseudoacacia
    4. Euonymus alatus 'Compactus'
    5. Acer platanoides
    6. both #3 and 4


  31. Which group consists of trees (or large shrubs) that are ALL generally considered small (<25 feet tall)?

    (3)

    1. Acer palmatum, Sophora japonica, Ailanthus altissima
    2. Acer negundo, Acer saccharum, Acer platanoides
    3. Lagerstroemia indica, Acer griseum, Laburnum x watereri
    4. Laburnum x watereri, Betula nigra, Acer palmatum
    5. Betula nigra, Oxydendrum arboreum, Gleditsia triacanthos var. inermis



    For ques. 32 through 35, are EACH of these sp. noted for their tolerance to drought or adverse conditions?




  32. Ailanthus altissima, Buddleia davidii, Hypericum calycinum

    (3)

    1. yes
    2. no


  33. Acer platanoides, Sophora japonica, Robinia pseudoacacia

    (3)

    1. yes
    2. no


  34. Wisteria floribunda, Acer palmatum, Campsis radicans

    (3)

    1. yes
    2. no


  35. Lagerstroemia sp., Hydrangea macrophylla, Oxydendrum arboreum

    (3)

    1. yes
    2. no



    For ques. 36 through 37, are EACH of these sp. noted for their tolerance to wet soils?




  36. Catalpa sp., Acer saccharinum, Oxydendrum arboreum

    (3)

    1. yes
    2. no


  37. Clethra alnifolia, Acer rubrum, Acer negundo

    (3)

    1. yes
    2. no



    BONUS:



    (3)

    Give the family names (correctly spelled) for each of the two species below:

    Oxydendrum arboreum =





    Wisteria floribunda =





    The fruits of this tree species are about 15' long and very narrow: