Floral 2009 Flashcards
Floriculture production in the United States is valued at about $__________ at farm gate.
4.7 billion
The leading floriculture production states are __________, __________, and __________.
California, Florida, Texas
Florida floriculture crop production is valued at $__________.
765 million
True or False. Watering greenhouse plants is one of the easiest jobs faced by growers.
False
When should plants be watered?
Just before wilting or water stress occurs
Perched water table means that the container has __________ at the bottom of the container right after watering, when drainage has occurred.
Free-water
This is __________ because it is not held by the root medium
Free-water
_____ factors need to be considered to achieve a successful fertility program.
Five
When certain elements are provided in excess to plants, uptake of other nutrients may be hindered. One example of a mineral antagonism is the ____________________ interaction; a 1:1 ratio is recommended for most floriculture crops.
Nitrogen-potassium
The optimum pH range for most crops growing in a soilless medium is __________.
5.8-6.4
American floriculture crops are considered to be __________ quality if they are well branched and __________, with multiple flowers that open __________.
High, full, simultaneously
True or false. Pinching artificially accelerates a plant’s branching and growers commonly use three types of pinched plants.
True
The process of pinching a plant removes the __________ factory and eliminates the __________ concentration of the __________ hormone from the upper portion of the plant.
Auxin, hormone, inhibitory
When the source of __________ is removed, the concentration of the __________ drops quickly, thereby releasing lateral branches from __________ dominance and allowing them to develop.
Auxin, hormone, apical
A time tested rule is to pinch when roots are ____________________ and __________ of the __________ after removing the plant from its pot.
Visible at the sides, bottom, medium
_______________ growers first began growing their rose plants using bent stems in the 1980’s.
Japanese
Rose plants used for the bent stem technique are started as __________ node cuttings, which are rooted and grown frequently in _____ _____ _____.
Single, rock wool cubes
Cut roses are divided into hybrid teas, spray roses, and __________.
Sweethearts
There are less than __________ dozen rose breeders specializing in commercial cut flower varieties.
2
Roses generally are graded according to __________ of stem
Length
The greenhouse comes “alive” only after its __________, or __________, is applied. A glazing’s primary purpose is to allow __________ into the greenhouse while allowing the grower to manipulate the environment __________ the greenhouse.
Glazing, cover, light, inside
There is/are _____ type(s) of growing floors.
5: natural soil, sand and gravel floors, ground cloth, porous concrete, concrete
The __________ component of watering is the easy part because the scientific principals can be taught and learned. The __________ of watering is extremely difficult to teach. It is determining when plants need to be watered and then applying water properly.
Science, art
While it costs __________ to produce pinched plants in terms of __________ and __________, the __________ quality is achieved with pinched plants in terms of size, fullness and flower performance.
More, labor, time, highest
