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LHAP Year 4 > 406 Nursery > Flashcards

406 Nursery Flashcards

1
Q

How long does it take to produce a crop of harvestable sod

A

2 seasons

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2
Q

What two problems are caused by root defects

A

Poor vigor and tree failure

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3
Q

How much larger should a root system be than the trunk

A

12x

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4
Q

Crown die back, poor colour can be caused by ?

A

Root defects, poor planting (Planted to deeply), Poor growth in the nursery,

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5
Q

Do roots want to grow downwards

A

No they want to grow outwards like spooks on a wheel

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6
Q

How many times are roots pruned on average before they get to you

A

4

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7
Q

Most of our trees seedlings come from where

A

Oregon or United States

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8
Q

Should roots be pruned before planting or repotting

A

Yes

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9
Q

What are the 3 types of plant cells

A

Parenchyma, Sclerenchyma, Collenchyma

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10
Q

Which of the three cells can morph its self

A

Parenchyma

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11
Q

Phloem is created by what

A

The cambium

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12
Q

What’s the most popular variety of Malus ever in Canada

A

Macintosh

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13
Q

In reference to stock plant cuttings what will too much nitrogen cause

A

Very soft growth that easily rots

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14
Q

In reference to stock plant cuttings what will too much carbon cause

A

Very stiff cuttings that take longer to root.

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15
Q

Is it easier to take cuttings from Juvenile or adult plants

A

Juvenile

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16
Q

Hard wood cuttings are taking when

A

When the plant is completely dormant in winter - January to April

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17
Q

Softwood cuttings should be taken when

A

Mid-July to November

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18
Q

What are the conditions for rooting

A

Consistent moisture, dark, and warm.

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19
Q

CNLA stands for

A

Canadian Nursery Landscape Association

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20
Q

What is a Standard in relation to the Canadian Landscape Standard

A

A Standard is a set of definitions

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21
Q

Are conifers sold by caliper

A

No, They are sold by height

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22
Q

What does COPF stand for

A

Canadian Ornamental Plant Foundation

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23
Q

Are plant patents enforced by law in Canada

A

No, royalties are paid voluntarily

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24
Q

Do plant patents expire in Canada

A

Yes

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25
Q

“Referring to a method of asexual propagation, where a bud from one plant has been grafted onto another plant (typically an understock).”

A

Budded

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26
Q

” The above ground diameter of a distinct part of a nursery stock stem, measured in accordance with this Standard. The location of measurement depends on the type and size of plant. Measurement
height begins at the ground level, soil line or root flare, as appropriate. The word may be abbreviated as cal. “ refers to

A

Caliper

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27
Q

Cultivated plants that are specifically named, whose unique characteristics are retained during propagation, and populations are maintained by human efforts. They are distinguished from botanical varieties which also are distinct populations of plants in a species, but are naturally occurring. Refers to

A

Cultivar

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28
Q

The manner of natural or nursery formed growth of a tree, shrub, or herbaceous perennial consistent with specific species; e.g. broad, dwarf, columnar, slender, spreading, upright. Refers too

A

Habit

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29
Q

A product of asexual propagation where two plants or plant parts are joined together so that they will unite and continue their growth as one. Refers too a

A

Graft

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30
Q

Young, immature plants intended for growing-on to mature sizes in nurseries, either by lining- out in the field or in containers. Typically, they are one or two years old and often sold bare root or in small containers. Are known as

A

Liners

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31
Q

Propagation of plants from very small plant parts, tissues or cells grown in a test tube or container where the environment and nutrition are rigidly controlled. Is known as

A

Micropropagation

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32
Q

The dormant bud of a corm, root division or tuber that will produce a stem. A term used to describe a division of certain herbaceous perennial plants such as Astilbe and Hosta. Refers too

A

Eyes

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33
Q

The area at the base of the plant’s stem or trunk where the stem or trunk broadens to form roots; the area of transition between the root system and the stem or trunk. Refers to ?

A

Root flare

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34
Q

The abbreviation PL stands for

A

Plug

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35
Q

A cylinder of medium in which a plant is grown. The term is generally used for seedlings and rooted cuttings that have been removed from the container with the medium held intact by the roots. Refers too

A

Plugs

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36
Q

The abbreviation HWC stands for

A

Hardwood Cutting

37
Q

The abbreviation SWC stands for

A

Softwood Cutting

38
Q

The abbreviation RC stands for

A

Rooted Cutting

39
Q

A vegetative portion, either hardwood (HWC) or softwood (SWC), removed from a parent plant that has been induced to form roots and eventually new leaves and shoots. This describes a

A

Rooted cutting

40
Q

The abbreviation FP stands for

A

Field Potted

41
Q

Plants established in the ground that have been dug with soil balls and placed in containers in lieu of burlapping. Are known as

A

Field Potted

42
Q

The abbreviation BR stands for

A

Bare rooted

43
Q

Plants harvested while dormant without a ball of soil or from which the growing medium has been removed. Are known as

A

Bare rooted

44
Q

B&B stands for

A

Balled and Burlapped

45
Q

Plants established in the ground that have been harvested by digging with a soil ball so that the soil within the ball remains undisturbed. As part of the harvesting process, the soil ball is bound in burlap or similar mesh material. Are know as

A

Balled and Burlapped

46
Q

Bark embedded in the union between a branch and the trunk or between two or more stems that prevents the formation of a normal branch bark ridge. This describes

A

Included bark

47
Q

A main mother root that is sharply bent. This describes a

A

Kinked root

48
Q

The portion of the trunk below the crown lacking lateral branches;
this includes the portion of the trunk with shortened temporary branches that are below the main crown. This is known as

A

Clear trunk

49
Q

Sugar and other carbohydrates that are produced by the foliage and stems during photosynthesis. This is known as

A

Photosynthate

50
Q

Large main branches that form the main structure of the crown. These are known as

A

Scaffold branches

51
Q

A circling, bent, or straight root that touches or rests on the trunk or root flare that can become a permanent root. This is known as

A

Stem-girdling root

52
Q

Roots that grow to the container wall and down the inside of the pot. Are known as

A

Descending roots

53
Q

Species with strong apical dominance and weak apical control. Buds do not elongate in the season they were initiated (strong apical dominance); but, when they do elongate, they have growth equal to the central leader (weak apical control). This is known as

A

Decurrent species

54
Q

Strong apical control but weak apical dominance. Lateral branches are capable of elongating in the year they were initiated (weak apical dominance), but their elongation is under strong apical control. This is know as

A

Excurrent species

55
Q

Name three woody plants that it is possible to collect seed from in winter?

A

Rosa, Alnus, Malus

56
Q

Name three disadvantages to growing woody plants such as trees in containers:

A

Round containers tend to produce plants with girdling roots when left too long in the pot, plants need to be shifted frequently to bigger sizes, plants need more water and fertilizer when they are growing.

57
Q

Name four plants that it is possible to gather seed from in the middle of winter:

A

Viburnum lantana, Crataegus, Malus, Acer ginnala

58
Q

The main reason why whips and liners need to be graded according to size prior to planting them out in the field is?

A

When whips are all planted the same size in the same area, generally, they can all be harvested at the same time and will have similar maintenance requirements while growing.

59
Q

A liner nursery advertises rooted SWC (Soft Wood Cuttings) 0/1/2. What does this mean?

A

3 yrs, 1 year cycle in bench, 2yrs transplanted

60
Q

Willows and poplars are generally easier to grow from hardwood cuttings than most other species.

A

Yes

61
Q

In a tree nursery, why is peat moss and/or fibrous materials such as sawdust, wood chips or compost added to growing media for containers?

A

To keep the mix from getting too heavy and waterlogged

62
Q

A micro-propagation technique for rapidly increasing the number of new plants from a single specimen with highly desirable characteristics.
It is highly specialized and technical way to propagate plants under aseptic, controlled growing conditions. This describes

A

Tissue Culture

63
Q

Aspen poplar, Populus tremuloides, and Swedish aspen, Populus tremula erecta, can both be propagated by stem cuttings using rooting hormone.

A

No

64
Q

The green colored substance commonly painted inside the compartments of styroblocks and the inside of containers is

A

Copper sulphate based compound, or “Spin Out” designed to stop roots from spiraling when they reach the edge of the compartment.

65
Q

Grading whips to size before planting decreases cost of production.

A

Yes

66
Q

What is NOT a characteristic of bare root production, according to CNLA specs?

A

Roots shall not encircle each other to an extent where growth will be inhibited

67
Q

T-bud grafting (bud transplant) is best done in mid-summer, when the bark is slipping from the sapwood, and buds for next year have formed

A

Yes

68
Q

Prior to using media or containers for plant propagation, it is a good idea to sanitize and sterilize as much as possible in order to:

A

Reduce the possibility of infection due to soil borne pathogens, such as Pythium and Phytophora. (Root rots and water molds; “damping off”)

69
Q

Parts of a seed include:

A

Endocarp, pericarp, endosperm and hypocotyl

70
Q

In field production, it is generally thought that lateral root pruning results in a healthier, denser root system and increases survivability.

A

Yes

71
Q

Keeping accurate records is a good way of finding out which crops and varieties sell best and if any trends or patterns are developing.

A

Yes

72
Q

Three common seed treatments to stimulate germination of woody plants are:

A

After ripening, fermentation, and cool, wet stratification

73
Q

The purpose a macerator is:

A

To efficiently separate seeds from the fruit.

74
Q

What is the best time to collect seeds from woody plants?

A

When the fruit is as ripe as possible, before it is consumed by wildlife or gets dispersed.

75
Q

Rooting hormone can be used in order to do 3 things:

A

Stimulate production of root primordia in hardwood cuttings. Stimulate production of root primordia in softwood cuttings.
Stimulate production of root primordia in tissue culture.

76
Q

Name three genera of woody plants that generally seed in spring time.

A

Populus, Ulmus, Salix

77
Q

When is the best time to schedule container stock to be shifted up to a bigger size?

A

When roots begin to completely fill the container

78
Q

A named plant selection deriving from selective breeding or asexual propagation or cloning; where identical or nearly identical plants can be reliably produced

A

“Cultivar” means a “cultivated Variety”.

79
Q

Local provenance is important when seed-sourcing plants because

A

Adaptability to an environment is an inheritable genetic attribute

80
Q

Frequent automatic misting irrigation is good for

A

Rooting softwood cuttings. Preventing softwood cuttings from wilting.

81
Q

Tolerable temperatures for storing nursery stock (Bare root or container) is:

A

0-10 degrees C

82
Q

The most important factors for success when lining out bare-root stock in the nursery or transplanting into containers are:

A

Ensure stock is protected from drying and kept cool and moist.

83
Q

Planning a plant propagation schedule or crop production plan depends on what three factors, once a market assessment has been completed?

A

Plant biology, method of propagation and available facilities

84
Q

What are the major issues caused by kinked or circular growing roots

A

Blowing over in high winds and general failure to thrive.

85
Q

What is the best way to prevent girdling roots from forming during container production?

A

Shave or prune off all circling roots at every transplant time

86
Q

Willow cuttings’ optimum size for propagating is?

A

Up to pencil size, and no more than two buds taller than the container.

87
Q

Collecting seed is a good way to propagate plants that

A

Only can be propagated by seed. Cannot be propagated by cuttings. Come reasonably true to seed. Are local and therefore most likely to be hardy to the area.

88
Q

Young, immature plants, intended for growing-on to mature sizes in nurseries, either by planting out in the field, or in containers are called?

A

Liners

89
Q

Layering, as a means of propagation, is like rooting a cutting while it is still connected to the mother plant.

A

Yes

LHAP Year 4 (10 decks)

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