8 Flashcards
Dianthus caryophyllus is a native of the _______________ area, originally flowering only in the early spring.
Mediterranean
Dahlias flower morphology is complex and flower size varies from larger than __________ to less than __________ in diameter.
8.25 in., 4 in.
Plants grown under light high in _____ wavelengths will be short, dark green, and well branched.
Red
Sunflowers require low nutritional levels.
False
Treated seed virtually __________ viral, fungal, and bacterial disease at the time of planting, greatly __________ disease in professional grower products.
Eliminates, reducing
There are two different purposes for using artificial lighting. First, lamps can be used to provide additional light to increase photosynthesis and plant growth. This is termed __________ lighting. Second, lamps can be used to alter the photoperiod perceived by the plants. This is termed __________ lighting.
Supplemental, photoperiodic
Many growers apply a shading compound or shade cloth from _______________ to _______________ to reduce heat stress that results from high light levels entering the greenhouse.
Late spring, early fall
Alstroemeria produce two types of shoots: __________ and __________.
Flowering, vegetative
Botrytis blight is also known as __________.
Tulip fire
Sympathy flowers are important to __________ the deceased and __________ the living.
Honor, comfort
All foliage plants must be __________ prior to installing in an interior area.
Acclimated
Three types of designs found in American flower arranging are line-mass, mastoid and lunar.
False
The most influential and important person in all the ancient arts of China was __________.
Hsieh Ho
Confucius taught that real enjoyment consists of __________ and __________.
Simplicity, contemplation
Good mineral or garden soils have about _____ percent of pore space.
50