Floriculture Test 2016
Terms in this set (50)
DIF, used for height management of crops, is the difference between the daytime temperate and
all of the above (crop timing, water stress, and container size)
In commercial greenhouses, which of the following methods are commonly used as a way to regulate plant growth without using chemicals?
Agrobacerium tumedaciens is a pathogen that is commonly known as
The recommended pH level for greenhouse crops in soilless medium is
The virtual visual path the directs eye movement through a composition is
Orange, green, and violet are ______ colors.
principles of design
The fundament guidelines to aesthetic design that governs the organization of the elements and mattie is in accordance with the laws of nature are known as the
Which of the following is NOT a plant hormone than can be used as a plant growth regulator?
A 28 gauge florist wire is _______ than 18 gauge florist wire.
the amount of pesticide required to kill half of a test population of the test subject
The LD(50) of a pesticide indicates:
Pesticide toxicity is measured in LD(50) or LC(50) numbers. Which of the following LD(50) numbers for pesticide it the most toxic?
The planned area within a floral design, which is devoid of flowers, foliage or other objects, but is still integral to the design is known as
The placement of materials at different levels within and around a floral arrangement helps establish
With mat irrigation, water moves by __________ from the mat into the root substrate in the pot to maintain constant moisture.Oh my gosh so? Dad dad dad breaks
The cost of the plant materials would be examples of __________ costs on a financial planning sheet.
Achromatic, monochromatic, analogous and complementary are a few of the classically recognized
all of the above (vegetative cuttings, budded plants, grafted plants)
When propagating asexually, roses can be reproduced from
Soil pH is based on the concentration of ________ ions in the soil.
water soaked blisters generally on the underside of the leaf.
Which of these describes edema in geraniums?
Which to the following is NOT a part of the pistil of the plant?
The _____________ phase begins when a plant's seed germinates and grows, producing leaves, stems, and roots.
The tiny pores in the epidermis of a lead through which gas enters and escapes are
The process of a plant losing water through the leaves in the form of water vapor is referees to as
The waxy coating, called the _________, serves to prevent excessive water loss from the leaf tissues.
Lime furnishes ______________, one of the most important of the macro food elements.
shoot tips, young leaf blades, and root tips
Auxin is responsible for apical dominance in plants. Auxin produced in three places in the plant located in the
A complete fertile is recommended for a greenhouse crop. Which fertilizer analysis below is NOT a complete fertilizer?
Mass flowers include all of the following except:
Two hues directly opposite each other on the color wheel are ______________ colors.
Broken, implied, and continuous are all part of which element of floral design?
Light inside a greenhouse is measured in
short day photoperiod
Poinsettias require a ______________ to produce colored bracts.
all of the above (a biological control, a chemical control, screening over vents)
Thrips can be effectively managed in the greenhouse by using:
An insect __________ generally does not kill insects, but instead drives them away before they attack the plant.
To help identify plants, flower forms are grouped as to their position or arrangement on a stem. The flower position or arrangement is known as
After pollination and fertilization, the flower petals begin to drop and the ovary and other surrounding parts enlarge and develop into a
Which of the following diseases does NOT affect the root system of plants?
The Environmental Protection Agency establishes toxicity categories for pesticides based on how soon one can reenter the area after it has been treated with pesticide. What toxicity level can be reentered immediately after pesticide application?
In order to preserve foliage in a more natural, pliable state, place stems in:
the transparent cover of the greenhouse frame
Greenhouse glazing is:
all of the above (photosynthesis is slowed, plant growth is slowed, cell production is reduced)
When water is not applied frequently enough, plants wilt and
C(4) plants have a higher relative photosynthesis rate
Planets are divided into C(3) and C(4) groups. How do C(4) plants differentiate?
A plant that is genetically identical to the parent plant is known as a
Cross-pollination occurs when pollen grains from the flowers on one plant transfer to the __________ of flowers on another plant
Some seeds have a hard seed coat that must be soaked or scratched before the seeds are able to germinate. This process is called
The ___________ is the food storage tissue in the seed that nourishes the plant during germination.
Is a gray-white soil mix material of volcanic origin that is most commonly used to improve aeration if growing media.
The ability of a plant to withstand colder temps. is known as
Are plants characterized by one cotyledon in the seedling stage, flower parts in threes or multiples thereof, and parallel leaf venation.
Is a process of events whereby the seed embryo goes from a dormant state to an actively growing state.
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