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Chapter 10
Practice Test
Practice Test
This activity contains 29 questions.
____________________ is the asexual reproduction of genetically uniform copies (clones) of plants using propagules such as stem, leaf and root cuttings.
Bud-sport
Leaf-bud cuttings
Clonal regeneration or reproduction
Root primordia
__________ are a portion of stems, roots or leaves that are detached from a plant and used to clonally multiply new plants.
Stolons
Clones
Seedlings
Cuttings
_______________ arise from any plant part other than terminal, lateral or latent buds on stems. They form irregularly on older portions of a plant and not at the stem tips or in the leaf axils.
Root primordia
Adventitious buds (and shoots)
Meristems
Rootstocks
_________________ arise from any plant part other than by the normal development and ontogeny of the seedling root and its branches; they can also be regenerated from root-pruned seedlings.
Latent root initials
Adventitous shoots
Adventitious roots
Burr knots
____________________ is a thin film of water produced through a pressurized irrigation system that cools the atmosphere and leaf surface of cuttings.
Enclosed mist
Intermittent mist
Fog systems
Contact systems
________________ are similar to intermittent mist, except the particle size of the water applied is much finer and water does not condense on the surfaces of the cutting.
Enclosed systems
Indoor polytent systems
Fog systems
Contact poly systems
_________________ are an enclosed propagation process where watered-in hardwood or semi-hardwood cuttings are tightly covered by a sheet of poly in a propagation house under shade control.
Wet tents
Nonmisted enclosures
Enclosed mist systems
Contact polyethelene systems
________________ is the use of tent-type poly structures to enclose a mist propagation bench to minimize environmental fluctuations during rooting of cuttings.
Fog system
Intermittent mist
Enclosed mist system
Contact poly systems
_________is a phytohormone or plant growth regulator that can stimulate cuttings to root. Commercially used compounds include: indole-3-butyric acid (IBA) and a-naphthalene acetic acid (NAA).
Kinetin
Auxin
Cytokinin
Gibberellin
_________ are small plants produced from rooted cuttings, seedlings (plugs) or tissue culture.
Rhizomes
Liners
Stolons
Transplants
_____________ is the constriction of the phloem of a stem by wounding, bending, tying with a band that can be used to enhance the rooting potential of cuttings or layers, before they are removed from the stock plant.
Girdling
Double working
Stooling
Banding
______________ is the process of forming a protective, semi-impermeable layer that occurs under (internal to) the wounded surface area of a cutting.
Callusing
Etiolation
Suberization
Rejuvenation
__________________ are the step-wise tasks and methods needed for efficiently performing a propagation process, such as the collection, pre-treatment and post-treatment handling of cuttings for rooting.
Accelerated growth techniques(AGT)
Standard operational procedures (SOP)
Auxin synergists
Cell Competency-to-Root
The ______________ is the zone of soil immediately adjacent to plant roots in which the kinds, numbers, or activities of microorganisms differ from that of the bulk soil.
humus
toposphere
rhizosphere
peat
_____________ is the rapid depletion of essential nutrient reserves from a cutting that is caused by intermittent mist.
Turgor
Transpiration
Foliar leaching
Advection
_______________ rely on clocks and timers to manage intermittent mist and fog systems.
Static control systems
Nonmisted enclosures
Indoor polytent systems
Dynamic control systems
_________________ rely on environmental parameters to determine water status of cuttings and is more precise in regulating water management than static control systems.
Fogging systems
Intermittent mist systems
Dynamic control systems
Indoor polytent systems
_______________ is the stress adaptation process or acclimation that occurs as a rooted cutting is gradually weaned from a high to a low relative humidity environment during propagation.
Callusing
Tissue culture acclimitization
Damping-off
Hardening-off
____________ is the discarding and economic loss of plants that occurs due to poor crop quality or low market sales.
Scrapage
Initiation
Advection
Competing sink
________________ is the period of time that a plant occupies space in production starting with propagation through point of sale.
Photoperiod
Plant residency
Plant dormancy
Regeneration
_________________ is the application of fertilizer to the propagation media surface of a flat or liner pot.
Broadcasting or top-dressing
Redistribution
Leaching
Pre-plant
_______________is mixed into the propagation media prior to sticking cuttings.
Sand
Pre-incorporated slow-release fertilizer
Mineral soil
Vermiculite
_______________ reduce the surface tension of water and allows better absorption of a chemical into plant tissue or can enhance water absorption of propagation media.
Advection
Suberin
Wetting agents (surfactants)
Rhizocaline
____________ is the use of environmental inputs (temperature, light, humidity) that are recorded and than analyzed with mathematical equations. Models are then developed to program computers linked to environmental sensors for more precise control of the propagation house environment
Modeling
Photoperiod
Seasonal timing
Accelerated growth techniques (AGT)
___________ is partial reduction of light to 100% light exclusion that can occur during stock plant manipulation and/or propagation.
Blanching
Etiolation
Shading
Banding
______________ is also known as poly and is a plastic covering used to cover propagation greenhouses.
Polypropylene
Polyethylene
Polytent systems
Vinyl acetate
_______________ are low-height propagation structures that are covered with poly and heated in the winter.
Hot frames
Polyhouses
Shade houses
Wet tents
_______________ are propagation structures that are covered with poly, lath or other covering material and are sometimes heated in the winter.
Glass houses
Polytents