FFA Floriculture Pt.1

Growers usually use three types of pinches:

soft pinch, hard pinch, cutting back

New businesses should realize that it usually requires______for the business to show a profit and owners should plan accordingly

3 to 5 years

The common name for an achimenes hybrid is

Hot water plant

The common name for an anigozanthos (labill) is

Kangaroo-Paw

The Christmas peppers scientific name

Capiscum annuum L

____________ have become important American pot plants in the last ten years because of their relatively low price at $15-$30, and the hardiness of plant once grown to flowering size.

Phalaenopsis orchids

The Lilium longiflorum are produced on the _________ around the __________ border.

West Coast; Oregon-California

What is the proper term to describe the cold treatment, which lasts several weeks and precedes initiation of flower buds?

vernalization

Scarification is the only method of breaking through hard, water-impermeable seed coats to allow water to penetrate.

False

One mold can harm your crop by preventing water from penetrating into the mix. This fungus is found in pine bark storage piles and as a gray thead like structure (mycelium) that repels water.

true

Potted flowering plants must have sufficient stems, foliage, flowers, and spuds to provide an attractive display.

False

Cut flowers must have sufficiently short and flexible stems, appropriately sized flowers, and enough flowers and foliage.

False

A _______ is defined as having a _______ occurring, unique set of characteristics and is separated from other closely related species by location, flowering time and so on.

plant species, naturally

. The unique characteristics of a species are usually transmitted to the next generation through __________ or __________.

seed, soils

Mineral soil is _______ to _______ times heavier than the other components used in growing media.

10,50

There are several mold genera that are found in bark. The most problematic is a(n) _________ slime mold.

Ostracoderma

_____________: symptoms apply to poinsettias, the only greenhouse floral crop its is known to affect. The margins of leaves halfway up the stem become chlorotic, presenting a silhouette appearance and then quickly becomes necrotic.

molybdenum deficiencies

__________: Symptoms can begin as incomplete formation of flower parts such as fewer petals, small petals, sudden wilting; or collapse of petals, and notches of tissue missing in flower stems. leaf petioles , or stems.

boron deficiencies

The margins of older leaves become necrotic with a characteristic reddish-brown color. Necrotic spots may also develop across the leaf blade but tend to be concentrated at the margins.

boron toxicities

___________: young leaves develop interveinal chlorosis, however, the tip and lobes of these leaves may remain green. Next, the youngest fully expanded leaves rapidly become necrotic. The sudden death of these leaves resembles desiccation.

copper deficiencies

For most floriculture crops, the average daily temperature (ADT) primarily controls flowering.

True- for temperatures maintained within the broad optimum temperatures range of 50 degrees- 85 degrees F. (10-20 degrees Celsius)

The ADT formula is:

ADT= (day temperature x hours) + (night temperatures x hours) +24

The common name for Aconitum napellus L. is__________.

Monkshood

The common name for Anemone coronaria L. is ____________.

. Anemone

The Christmas Peppers take_______ from seeding to sales for 4 inch (10 cm) specimens when seeded in the springs and summers.

14 weeks

Phalaneopsis is a genus within the Orchidaceae family. It is most widely_________ and most important commercial genus in the orchid family.

propagated

Lily bulb production requires____to_________ growth in the field, depending on size and whether scale production is used or plants are started from bulblets (small bulbs formed around the belowground stem above the bulb).

two, four years

___________ are the most profitable major holiday potplant crop produced

Easter Lilies

In regard to the Lilium longiflorium, how many weeks to finish after vernalization?

16