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Horticulture Vocabulary > Vocab 2-13-13 > Flashcards

Vocab 2-13-13 Flashcards

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
Division
a method of vegetative propagation involving separation of a plant into two or more pieces, each containing a portion of the roots and crown
26
Dormancy
the phase in the life cycle of a plant when growth is slowed or inactive
27
Energy curtains
the phase in the life cycle of a plant when growth is slowed or inactive
28
Energy curtains
automated system utilizing fabrics to insulate the greenhouse at night
29
Entrepreneurship
working for oneself
30
Even span
a basic style of greenhouse in which rafters are equal in length
31
Fan-and-pad cooling system
a system in which large exhaust fans draw air through a moistened cellulose pad mounted on the opposite end of the structure
32
Fan
tube ventilation - fans bring in small amounts of cool outside air and mix it with the warm air
33
Fertilizer injector system
equipment used for the irrigation of plants with exact proportions of fertilizers obtained from a concentrate of water-fertilizer and water
34
Floriculture CDE
an FFA Career Development Event that allows for competition in the different aspects of floriculture
35
Fluorescent lighting
cooler and more efficient that incandescent lights; have a wide range of wavelengths and long life
36
Fog-evaporative cooling system
fog is generated inside; as the minute fog droplets evaporate, heat is absorbed
37
Foliage plants
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
38
Forced air-heaters
localized heater units that force hot air directly into a duct system
39
Forcing
- a term used to describe practices that get bulbs to grow and produce flowers
40
Fungicide
a material used to destroy fungi or protect plants against their attack
41
Germination
the resumption of growth by a seed embryo; occurs when the embryonic root emerges from the seed coat
42
Girdling (wounding)
restricts the function of the xylem or phloem of a dicot plant
43
Glass
a type of covering used in greenhouses; comes in several grades; allows greatest transmission of light
44
Gothic arch
basic style of greenhouse with a pointed arch; trusses have been eliminated
45
Grafting
implanting a branch or bud from one plant onto another
46
Greenhouse
- a structure that is covered with a transparent material that allows sufficient sunlight to enter for the purpose of growing and maintaining plants
47
Growth regulator
a substance that influences plant growth
48
Hazard
exposure to danger or harm
49
Herbicide
a substance that kill weeds
50
High Intensity Discharge (HID) lighting system
efficient and effective supplemental lighting system
51
Hose watering
manual watering of plants
52
Hot water heat
water is heated in a boiler and pumped through pipes
53
Hotbed
an outside propagation structure similar to a cold frame except electric or hot water thermostatically controlled heating is used
54
Incandescent lighting
inefficient and gives off primarily infra-red wavelengths; often used for photoperiod control
55
Infrared radiant heaters
individual heater units that produce infrared radiation
56
Insecticide
a material used to kill insects or protect against their attacks
57
Integrated pest management
an ecologically based approach to controlling plant pests
58
Intermittent mist system
watering method; tiny droplets delivered periodically keep plants moist
59
Layering
propagation method in which roots form on the stem of the plant while it is still attached to the parent plant
60
LD factor
lethal dose factor
61
Leaf bud cutting
a cutting that includes a short section of stem with a leaf attached
62
Leaf cutting
a cutting made from a leaf and its attached petiole
63
Liners
small branched plants sold to growers
64
Long-day plant
plants that flower as days lengthen in the summer
65
Markup
the difference in the amount an object costs to produce and the price for which it is sold
66
Material Safety Data Sheet (MSDS)
a sheet containing information about the safe use of a chemical and the steps to take in case of an accident
67
Miticide
a chemical used to control mites
68
Natural ventilation -
air is exchanged through open ridge and side vents and controlled by thermostats
69
Nematocide
a chemical used to control nematodes
70
Nursery/Landscape CDE
an FFA Career Development Event that allows for competition in the different aspects of Nursery/Landscaping
71
Overhead watering
water is applied over the canopy of the plants with spray nozzles
72
Peat moss
a moss plant that grows on peat bogs, such as sphagnum or polytrichum
73
Perimeter irrigation
watering around the outside of a flower bed
74
Perlite
a heat-treated lava rock that is lightweight with low nutrient and moisture holding capacity
75
Pest
an unwanted plant or animal
76
Pesticide
a chemical used to control pests
77
Photoperiodism
a plant's response to light duration
78
Pinching
removal of the apical meristem; a common practice used to produce bushy, well-branched crops
79
Placement
working for someone else
80
Plugs
small plants grown in a small amount of media in divided trays
81
Polyethylene
a petroleum-based flexible plastic used for many purposes; greenhouses can be covered with this
82
Potted flowering plants
plants grown in pots for their showy flowers; some popular potted flowering plants are poinsettias, chrysanthemums, cyclamen, and africanviolets
83
Producer
the person who grows a plant for sale
84
Proficiency Award
- an award for someone's SAE
85
Propagation
the reproduction of plants
86
Purlins
run the length of the structure and are attached to each truss, adding more structural strength
87
Quonset
basic style of greenhouse with curved roof with or without sidewalls
88
Retailer
a person or store that sells directly to the consumer
89
Ridge and Furrow Greenhouse
- 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
Rigid structured sheet -
a type of covering used in greenhouses commonly made of polycarbonate and acrylic; it is rigid and resistant to weathering
91
Risk
the chance that an accident might occur during a research project
92
Root cutting
a cutting made from sections of roots
93
Safety
a state of being free of danger and injury
94
Sand
used to increase aeration and drainage
95
Scarification
breaking or softening a seed coat to allow absorption of moisture
96
Seasonal market
a market that is affected by weather, time of year, or holidays
97
Sexual
reproduction using seeds
98
Shade curtains
automated system utilizing fabrics to block light from reaching crops
99
Short-day curtains
automated system utilizing fabrics to insulate the greenhouse at night
100
Short-day plant
plants that will begin to flower naturally in the fall when the day lengths get shorter
101
Soaker hose system
water is applied to the growing medium by slowly saturating the medium
102
Steam heat
water heated to a boil and steam travels through pipes in the greenhouse
103
Stem cutting
a cutting made from short pieces of thickened leafless stems containing at least one node
104
Stock plant
a plant from which cuttings or meristems are obtained for propagation
105
Stratification
placing seeds in a moist soil medium at a temperature between 3 degrees and 50 degrees for a certain period of time
106
Thermoperiodism
term used to describe a temperature requirement that produces a plant response
107
Tissue culture
plant reproduction using very small, actively growing plant parts under sterile conditions and medium
108
Toxicity
a measurement of how poisonous a chemical is
109
Transplanting
transferring or moving seedlings from the seedbed and setting them into the ground
110
Trusses
composed of rafters, chords, and struts that support the roof
111
Tube irrigation
water is carried to each pot by a microtube; foliage is not wet in this process
112
Tuber
an underground stem that lacks a dry leaf covering and basal plate
113
Uneven span
basic style of greenhouse in which rafters are of unequal length
114
Vegetative
a method of reproduction that involves plant parts other than the reproductive ones
115
Ventilators
moveable units of a greenhouse to allow for natural air flow
116
Vermiculite
heat-treated mica that is lightweight and has high nutrient and moisture holding content
117
Vernalization
a physiological process whereby a period of cold temperature is required for flowering
118
Wholesaler
a person who sells to a retailer

Horticulture Vocabulary (1 decks)

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