During respiration, plants _______.
Use oxygen
If green plants show a ________ color, this suggestsa nitrogen deficiency.
Yellow
___________ exists when the terminal bud produces hormonesthat inhibit or prevent the growth of axillary buds on the same shoot.
Apical dominance
_________ is used to accentuate the flowers and colors used in a design.
repetition
The recommended daytime temperature range for indoor plants is _________.
50-85� F
Floral foam should be hydrated before use in a flower arrangement. Which of these methods is the best for accomplishing the soaking of the foam?
The foam is allowed to float on the surface until it is soaked
The wire services that a retail flower shop can use are:
FTD, Teleflora, Florafax, American Floral Services, and Carik
In growing potted chrysanthemums, the desirable temperature range for flower bud initiation is:
Above 68 degrees F at night
As a grower you want to use "soft" pesticides for plant pest control. Which group below includes "soft" pesticides?
Insect growth regulators, botanical insecticides, horticultural oils
A solenoid valve is usedin greenhouses:
As an electrical device used to control the flow of water in greenhouses
A manometer is used in a greenhouse to measure:
Air pressure between layers of plastic
In greenhouse plant growing a zeroDIF will result in:
Shorter plants compared to plants grown with a positive DIF
The nutrient iron is essentialin plants because:
Iron is required to produce chlorophyll
____________ buds are found at the base of a leaf petiole and next to the stem.
axillary
A plant with a tunicate bulb is a(n) _____________.
tulip
Binomial classification of a plant requires a ___________ and ___________for the name.
genus and specific epithet
On a financial planning sheet, the costs of the plant materials (i.e. purchase cost of seeds, cuttings, bulbs, etc.) would be examples of _____________.
direct costs
Floral preservatives for cut flowers should contain all of the following except ________:
nitrogen fertilizer
Injecting dilute sulfuric acid into the irrigation system during greenhouse production will:
decrease the root medium pH
Which glazing material for greenhouses allows the lowest light transmittance?
double layer poly ethelene
When dealing with plant diseases, there must be _____ things present for any plant disease to form.
3
________ plants are plant material kept specifically for the purpose of propagation.
stock
Grasshoppers begin their life cycle as an egg,transition into a larva,and change into an adult. This would be classified as _______________ metamorphosis.
incomplete