Floral CDE

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This is an asexual propagation method using sterilized terminal shoots or leaf buds placed on a sterile agar. (IH 78)

Micropropagation

When collecting cuttings from a parent plant make sure to choose one that has made at least __________ of new growth. (IH 78)

2 to 6 inches

Plants respire _______ hours a day.

24

The temperature for mums from planting through the first two weeks of short days should be _____ at night, _____ for cloudy days, and _____ for sunny days. (IH143)

63, 63, 70

How many kilocalories of light energy are needed for photosynthesis? (IH 26)

672

Which of the following is the formula for photosynthesis?

Light energy+chlorophyll+6CO2+6H20=C6H12O6+6O2

After fertilization, the ovary becomes the: IH 30

fruit

__________ is the process of providing a cooler temperature for plants to prepare seedlings for the shock of transplanting.

hardening off

The collective term for tepals is: (FD 127)

perianth

Another name for a leaf stalk? ITH 25

petiole

The three main internal stem structures include:

phloem, xylem, cambium

A botanically complete flower is a flower that has four main parts which are: AFD 127

pistils, stamens, sepals, petals

Cuttings and tissue culture are examples of: IH 66

asexual propagation

Axillary buds are found where on the plant. (IH 49)

at the angle between the leaf and stem

What is callus tissue?

A mass of cell tissue that forms around the wounded area of a plant to begin the healing process

Which growth regulator has the effect of preventing tall poor quality growth in Azalea and Petunias?

B-nine

This is the structural formula for a glucose molecule. (IH 24)

C6H12O6

Forcing is ...

Causing a plant to bloom at a predetermined date.

When removing plants from this type of container you turn it upside down and push down on the bottom with your thumbs. (SWGB 691)

Cell-packs

This type of graft is most often used in topworking trees or grafting to a rootstock that is considerably larger than the scion: (IH 107)

Cleft Graft

_____ consists of a very short specialized stem for food storage. (IH 99)

Corm

All of the petals collectively are called the:

Corolla

Day length is the shortest on _____ and increases until _____; thereafter, it decreases.

December 21, June 21

A plant the sheds its leaves on an annual basis is _______?

Deciduous

This type of bulb grows in a cluster, with the swollen portions radiating out from a central point.

Tuberous roots

This is a method of training a tree or shrub so that the branches grow in a flat pattern: (WGB 705)

Espalier

_____ are water soluble and found in the vacuoles of plants. (AFD 140)

Flavonoids

This is an asexual propagation method using cuttings from succulent greenhouse plants.

Herbaceous cuttings

This refers to the amount or degree of moisture in the air.

Humidity

This type of cutting consists of a leaf, petiole and a short piece of stem with a lateral bud. (IH 205)

Leaf-Bud Cutting

Humans breathe _____ and release _____. Plants use _____ and release _____.

O2, CO2, CO2, O2

What is not a type of leaf venation?

Perpendicular

The poinsettia plant requires a black cloth or plastic treatment to trigger early color change, this process is referred to as:

Photoperiod response

Karla purchases a Valentines' Day arrangement for her mother and places it in the living room, the next morning she realizes the flowers are moving towards the light in the windows in the corner of the room. This process is called:

Phototropic response

Percent germination is the percent of ______________that will ____________ and __________.

Seeds, sprout, grow

The type of cuttings from succulent greenhouse plants such as coleus or geranium.

Softwood

To design a perennial garden, you must consider: (IH 290)

Space Time of blooming Soil All of the above

The following parts are all on an incomplete female flower except: (IH 30)

Stamen

This type of chemical enables plants to grow taller. (IH 49)

Stimulant

Bulbs flowering in the spring should be dug after:

The foliage turns yellow and dies back

In spring, when temperatures get above the danger level, uncover the plants, set them up-right and ___________.

Water well

The major function of root hairs on roots is to _____. (IH 30)

absorb water and minerals from the soil

The term for cutting the stem, inserting rooting hormone, and wrapping the cutting with moss and plastic is known as:

air layering

The flower part that contains the pollen is the: (ITH 27)

anther

The initials B and B, in horticulture refer to _____. (SWGB 530)

balled and burlapped

All of the following plants are examples of monocots except: (WGB 694)

beans

A group of sepals makes up the:

calyx

What gas does a plant take in during the process of photosynthesis? (AFD 296)

carbon dioxide

Cytokinins are used on plants to stimulate: (IH 54)

cell division

Cell rigidity and firmness is also known as: (AFD 143)

cell turgor

The xylem, or wood, of the stem _____. (IH 30)

conducts water and minerals up to the leaves

Which is not a consideration when selecting and annual bedding plant? (IH270)

container size

The first leaves to appear on a plant are called:

cotyledons

Florel is a commercial plant growth regulator used on: (IH 59)

cuttings

Plants with two cotyledons are called:

dicots

Many crops today are offered as tissue-cultured plantlets, stage 2 or stage 3. This form of vegetative propagation offers many advantages to growers, primarily in that plants grown from tissue are _____ and _____.

disease free, quick growing

A method of propagation that is done by breaking apart a plant after it has developed heavy crowns is called? (SWGB 82)

division

When planting a perennial bed, you must consider the following factor: (IH 285)

drainage organic matter content light exposure all of the above should be considered

The best time to divide perennials that bloom in the spring is: (SG 176)

early fall

The pistil of the plant contains: IH 30

egg cells

To root leaf cuttings of African Violets you should: (WGB 697)

insert a young leaf with an inch or two of stem into rooting medium

A true bulb is composed of a basal plate and scales that are modified _____ tissue (onion layers).

leaf

The four basic parts of a plant are the: ITH 24-25

leaves, stems, roots, and flowers.

Transpiration is a process in which plants ITH 33

lose water through stomata in the leaf

What is transpiration? (AFD 139)

loss of water vapor by plant parts

This type of cutting is made using a 2 to 4 inch piece of two-year old wood with a current season shoot. (IH 87)

mallet cutting

Which of the following is not a function of the roots? (IH 25)

manufacture of food

Plants with one cotyledon are called: (IH 25)

monocots

The function of a stem is to: (IH 24)

movement of water and minerals from roots to leaves store food support the plant all of the above

Guard cells are leaf structures that control: IH 25

movement of water vapor out of a leaf movement of carbon dioxide into a leaf opening and closing of stomata all of the above

A _____ is a growth point on a plant. (SWGB 556)

node

What gas is produced by the process of photosynthesis? SG 23

oxygen

The ability of a plant to withstand colder temperatures is known as:

plant hardiness

Interior plants should be repotted when they become ______________.

pot-bound

Cymbidium orchids have a thickened above ground modified stem which is called a: (SWGB 573)

pseudobulb

The first part of the new plant to emerge from the seed is the: ITH 64

radicle

Deadheading annual plants refers to: (WGB 659)

removing dead flowers and seedpods

When you consume oxygen and release carbon dioxide, the process is called? (IH 24)

respiration

A dormant season is: (IH 61)

resting season

A horizontal underground stem is called a _____. (SWGB 573)

rhizome

The top part of a graft is called a _____. (SWGB 547)

scion

Which is not a type of asexual propagation? (IH101)

seeds

Perennials cannot be propagated from:

seeds root cuttings stem cuttings none of the above

The four main parts of a flower are the: (IH 27)

sepal, petal, stamen and pistil

A good rule of thumb on windbreaks is that they are effective for a distance of: (IH 249)

seven times its height

Producing plants from seed is a type of __________ propagation. ITH 63

sexual

In this type of layering, a branch from a parent plant is bent to the ground and partially covered at one point with soil. The terminal end remains exposed. (IH 122)

simple

All of the following are parts of a leaf except:

spathe

What is an example of a male part of a plant?

stamen

A true tuber is composed of _____ tissue. (SWGB 535)

stem

A pore on the bottom of a leaf is called a _____ and allows the leaf to breathe. (IH 23)

stoma

The endosperm in a seed is the

stored food

Photosynthesis requires: IH 26

sunlight, water and carbon dioxide

On plants, an end bud is called a _____ bud. (SWGB 547)

terminal

This is a layer of dead stems, leaves, and roots of grass that build up on the soil surface and under the grass.

thatch

A foot candle is: (IH 364)

the amount of light cast by a single candle on a surface one foot away.

Plants should not be transplanted until they have: (IH 73)

their first true leaves

Two main functions of stems are: (IH 22)

to move materials and support plant parts

The potato is an example of a: (IH 92)

tuber

This type of flower pattern is described as having single pedicalled flowers all arising from the top of a main stem. (SFD 132)

umbel


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