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Horticulture Vocabulary > Vocab 2-13-13 > Flashcards

Vocab 2-13-13 Flashcards

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1
Q

Accident

A

an event that happens unexpectedly or unintentionally

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2
Q

Air layering

A

a type of layering in which the stem is girdled, the cut is dusted in rooting hormone, and the dusted cut is covered with moss

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3
Q

Anchor support posts

A

side posts providing the main structural support for a greenhouse that are spaced at regular intervals and set in concrete footings

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4
Q

Asexual

A

process of reproducing plants without seeds (also called vegetative)

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5
Q

Bark

A

used as a substitute for peat moss or in combination with peat; aged hardwood or pine is best

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6
Q

Bedding plants

A

herbaceous, annual flowers and vegetables that lack the ability to survive freezing temperatures; bedding plants include impatiens, petunias, marigolds, tomatoes, and many other plants.

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7
Q

Biological control

A

is the use of living organisms to reduce pest populations. These beneficial organisms are natural enemies of pests. or infect their pest hosts.

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8
Q

Broker

A

a person who buys greenhouse plants and supplies and sells them to wholesalers and retailers

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9
Q

Bulbs

A

short, flattened stems that bear fleshy food storage leaves; examples of bulbs include tulip and narcissus

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10
Q

Capillary mat system

A

a form of sub-irrigation in which potted plants are set on a moist synthetic mat and water moves upward through the drain holes into the growing medium by wick action

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11
Q

Center bud removal

A

method of disbudding that involves the pinching off of the most terminal flower bud

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12
Q

Chemical control

A

is the use of pesticides to reduce pest populations.

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13
Q

Cloning

A

genetically generating offspring from nonsexual tissue

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14
Q

Cold frame

A

an outside propagation structure consisting of a wooden or concrete block frame with heat supplied by solar radiation through a glass or other transparent covering

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15
Q

Consumer

A

a person who buys

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16
Q

Corm

A

a short, swollen, underground stem; crocus and gladiolas are corms

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17
Q

Crown

A

part of the plant that enters the soil

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18
Q

Cultural control

A

is used to make the crop environment unsuitable for pests to feed, live, or reproduce, and to improve the health of the crop.

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19
Q

Cutting

A

vegetative plant part that regenerates roots and forms new plants

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20
Q

Damping off

A

a fungal disease that causes the stems to rot off at the soil line

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21
Q

Day neutral plant

A

plants unaffected by day length

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22
Q

DIF

A

the mathematical difference between the day temperature and the night temperature

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23
Q

Disbudding

A

the removal of flower buds to improve the overall quality of the plants

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24
Q

Disinfectant

A

a material that destroys infective agents such as bacteria and viruses

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25
Q

Division

A

a method of vegetative propagation involving separation of a plant into two or more pieces, each containing a portion of the roots and crown

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26
Q

Dormancy

A

the phase in the life cycle of a plant when growth is slowed or inactive

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27
Q

Energy curtains

A

the phase in the life cycle of a plant when growth is slowed or inactive

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28
Q

Energy curtains

A

automated system utilizing fabrics to insulate the greenhouse at night

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29
Q

Entrepreneurship

A

working for oneself

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30
Q

Even span

A

a basic style of greenhouse in which rafters are equal in length

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31
Q

Fan-and-pad cooling system

A

a system in which large exhaust fans draw air through a moistened cellulose pad mounted on the opposite end of the structure

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32
Q

Fan

A

tube ventilation - fans bring in small amounts of cool outside air and mix it with the warm air

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33
Q

Fertilizer injector system

A

equipment used for the irrigation of plants with exact proportions of fertilizers obtained from a concentrate of water-fertilizer and water

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34
Q

Floriculture CDE

A

an FFA Career Development Event that allows for competition in the different aspects of floriculture

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35
Q

Fluorescent lighting

A

cooler and more efficient that incandescent lights; have a wide range of wavelengths and long life

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36
Q

Fog-evaporative cooling system

A

fog is generated inside; as the minute fog droplets evaporate, heat is absorbed

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37
Q

Foliage plants

A

tropical and subtropical plants grown for their leaves rather than for their flowers and selected for their ability to be grown indoors; they are also called houseplants

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38
Q

Forced air-heaters

A

localized heater units that force hot air directly into a duct system

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39
Q

Forcing

A
  • a term used to describe practices that get bulbs to grow and produce flowers
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40
Q

Fungicide

A

a material used to destroy fungi or protect plants against their attack

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41
Q

Germination

A

the resumption of growth by a seed embryo; occurs when the embryonic root emerges from the seed coat

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42
Q

Girdling (wounding)

A

restricts the function of the xylem or phloem of a dicot plant

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43
Q

Glass

A

a type of covering used in greenhouses; comes in several grades; allows greatest transmission of light

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44
Q

Gothic arch

A

basic style of greenhouse with a pointed arch; trusses have been eliminated

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45
Q

Grafting

A

implanting a branch or bud from one plant onto another

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46
Q

Greenhouse

A
  • a structure that is covered with a transparent material that allows sufficient sunlight to enter for the purpose of growing and maintaining plants
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47
Q

Growth regulator

A

a substance that influences plant growth

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48
Q

Hazard

A

exposure to danger or harm

49
Q

Herbicide

A

a substance that kill weeds

50
Q

High Intensity Discharge (HID) lighting system

A

efficient and effective supplemental lighting system

51
Q

Hose watering

A

manual watering of plants

52
Q

Hot water heat

A

water is heated in a boiler and pumped through pipes

53
Q

Hotbed

A

an outside propagation structure similar to a cold frame except electric or hot water thermostatically controlled heating is used

54
Q

Incandescent lighting

A

inefficient and gives off primarily infra-red wavelengths; often used for photoperiod control

55
Q

Infrared radiant heaters

A

individual heater units that produce infrared radiation

56
Q

Insecticide

A

a material used to kill insects or protect against their attacks

57
Q

Integrated pest management

A

an ecologically based approach to controlling plant pests

58
Q

Intermittent mist system

A

watering method; tiny droplets delivered periodically keep plants moist

59
Q

Layering

A

propagation method in which roots form on the stem of the plant while it is still attached to the parent plant

60
Q

LD factor

A

lethal dose factor

61
Q

Leaf bud cutting

A

a cutting that includes a short section of stem with a leaf attached

62
Q

Leaf cutting

A

a cutting made from a leaf and its attached petiole

63
Q

Liners

A

small branched plants sold to growers

64
Q

Long-day plant

A

plants that flower as days lengthen in the summer

65
Q

Markup

A

the difference in the amount an object costs to produce and the price for which it is sold

66
Q

Material Safety Data Sheet (MSDS)

A

a sheet containing information about the safe use of a chemical and the steps to take in case of an accident

67
Q

Miticide

A

a chemical used to control mites

68
Q

Natural ventilation -

A

air is exchanged through open ridge and side vents and controlled by thermostats

69
Q

Nematocide

A

a chemical used to control nematodes

70
Q

Nursery/Landscape CDE

A

an FFA Career Development Event that allows for competition in the different aspects of Nursery/Landscaping

71
Q

Overhead watering

A

water is applied over the canopy of the plants with spray nozzles

72
Q

Peat moss

A

a moss plant that grows on peat bogs, such as sphagnum or polytrichum

73
Q

Perimeter irrigation

A

watering around the outside of a flower bed

74
Q

Perlite

A

a heat-treated lava rock that is lightweight with low nutrient and moisture holding capacity

75
Q

Pest

A

an unwanted plant or animal

76
Q

Pesticide

A

a chemical used to control pests

77
Q

Photoperiodism

A

a plant’s response to light duration

78
Q

Pinching

A

removal of the apical meristem; a common practice used to produce bushy, well-branched crops

79
Q

Placement

A

working for someone else

80
Q

Plugs

A

small plants grown in a small amount of media in divided trays

81
Q

Polyethylene

A

a petroleum-based flexible plastic used for many purposes; greenhouses can be covered with this

82
Q

Potted flowering plants

A

plants grown in pots for their showy flowers; some popular potted flowering plants are poinsettias, chrysanthemums, cyclamen, and africanviolets

83
Q

Producer

A

the person who grows a plant for sale

84
Q

Proficiency Award

A
  • an award for someone’s SAE
85
Q

Propagation

A

the reproduction of plants

86
Q

Purlins

A

run the length of the structure and are attached to each truss, adding more structural strength

87
Q

Quonset

A

basic style of greenhouse with curved roof with or without sidewalls

88
Q

Retailer

A

a person or store that sells directly to the consumer

89
Q

Ridge and Furrow Greenhouse

A
  • A ridge and furrow greenhouse is a structure that consists of a number of greenhouses connected along the length of the houses. The shared side walls create a large interior space
90
Q

Rigid structured sheet -

A

a type of covering used in greenhouses commonly made of polycarbonate and acrylic; it is rigid and resistant to weathering

91
Q

Risk

A

the chance that an accident might occur during a research project

92
Q

Root cutting

A

a cutting made from sections of roots

93
Q

Safety

A

a state of being free of danger and injury

94
Q

Sand

A

used to increase aeration and drainage

95
Q

Scarification

A

breaking or softening a seed coat to allow absorption of moisture

96
Q

Seasonal market

A

a market that is affected by weather, time of year, or holidays

97
Q

Sexual

A

reproduction using seeds

98
Q

Shade curtains

A

automated system utilizing fabrics to block light from reaching crops

99
Q

Short-day curtains

A

automated system utilizing fabrics to insulate the greenhouse at night

100
Q

Short-day plant

A

plants that will begin to flower naturally in the fall when the day lengths get shorter

101
Q

Soaker hose system

A

water is applied to the growing medium by slowly saturating the medium

102
Q

Steam heat

A

water heated to a boil and steam travels through pipes in the greenhouse

103
Q

Stem cutting

A

a cutting made from short pieces of thickened leafless stems containing at least one node

104
Q

Stock plant

A

a plant from which cuttings or meristems are obtained for propagation

105
Q

Stratification

A

placing seeds in a moist soil medium at a temperature between 3 degrees and 50 degrees for a certain period of time

106
Q

Thermoperiodism

A

term used to describe a temperature requirement that produces a plant response

107
Q

Tissue culture

A

plant reproduction using very small, actively growing plant parts under sterile conditions and medium

108
Q

Toxicity

A

a measurement of how poisonous a chemical is

109
Q

Transplanting

A

transferring or moving seedlings from the seedbed and setting them into the ground

110
Q

Trusses

A

composed of rafters, chords, and struts that support the roof

111
Q

Tube irrigation

A

water is carried to each pot by a microtube; foliage is not wet in this process

112
Q

Tuber

A

an underground stem that lacks a dry leaf covering and basal plate

113
Q

Uneven span

A

basic style of greenhouse in which rafters are of unequal length

114
Q

Vegetative

A

a method of reproduction that involves plant parts other than the reproductive ones

115
Q

Ventilators

A

moveable units of a greenhouse to allow for natural air flow

116
Q

Vermiculite

A

heat-treated mica that is lightweight and has high nutrient and moisture holding content

117
Q

Vernalization

A

a physiological process whereby a period of cold temperature is required for flowering

118
Q

Wholesaler

A

a person who sells to a retailer

Horticulture Vocabulary (1 decks)

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