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N&L Pt. 4

contest

QuestionAnswer
______ refers to the placement of container plants on the growing pad or standing ground according to immediate needs. Categorization, stocking, placement, or Staging Staging
True or False, Spacing does not affect the future growth of containerized plants. False
True or False, Spacing patterns are usually rectangular or diagonal. True
Many plastic container styles have a rim at the top denote the __________. Media fill line
When watering plants in containers, you should _____________. Fill once and when drained, re-water again
True or False, when growing plants in containers in a nursery, you should always use a soil-less media. True
The most common form of protection for containerized plants for over-wintering is _________. Unheated polyhouse
A problem created by the sun in polyhouses in the winter is ________. Excessive heat build up, drying of soil media, promoted growth of molds, or all of the above. All of the above
True or False, overwintering polyhouses for containers do not require venting on sunny days. False
The term "plugs" refers to ___________. Seal drain holes in containers, pre-grown seedlings, a horticulturist who seeds and tranplants, or peat pots. Pre-grown seedlings
Propagation of perennials is usually done ________. The year before it is to be cold
Smaller container sizes (ex.4" 1 qt, 1 gal.) are used for __________. Garden Center sales, landscape contractors, drinking containers, or none of the above. Garden Center sales
True or False, field mineral soils usually are not used as a container media because of drainage problems that can occur. True
The structureless thermal blanket technique is used primarily to ____________. Overwinter perennials in containers
Polyphospahte is used as _______. Fertilizer, additive to rinse iron buildup off of foliage, bloom increasing fertilizer, polyhut covering. Additive to water to rinse iron buildup off of foliage.
True or False, Good cultural practices help maintain plant vigor. True
This pathogen causes seedlings to be girdled at the media surface. Rhizoctonia
True or False, Botyris often appears on foliage and stems during overwintering of herbaceous perennials. True
True or False, pesticides in general are not phototoxic, therefore they will have no effect if applied to a crop on a sunny. False
True or False, pesticides may be applied to blooming crop without causing damage to the flowers. False
This insect is one of the most common to herbaceous perennials. It is a plant lice that is 1/16-1/18 inch long, yellowish-green to black in color, and is often found in clusters near elongated shoots. Aphids
______ are slender, wedge-shaped insects that are usually green, yellow or brown and are abour 1/4 of an inch in length. the sucking injury if this insect is a characteristic of a white dotted effect on the leaf surface by yellowing or eventual browning Thrips
True or False, Spider-mites are particularly troublesome in hot dry weather. True
Chrysanthemum and columbine are two species that are particularly susceptible to _________. leaf miners
___________ are insect 1/20 of an inch long. they suck sap from leaves and bus. symptoms include flowers partially open and silvery-streaked foliage. Thrips
True or False, harvesting fo B&B plants can have effects on the plants growth in the landscape. True
True or False, B&B stock must be labeled with correct nomenclature and size classification. True
True or False, B&B plants should not have their branches and0or limbs bound until they are ready to be shipped to the merchant. True
The Americans standard of nursery stock is published by _________. The American Association of Nurserymen
True or False, misshapen or irregular trunks on B&B plants is determined by the size of the plant. Species does not affect ball size. True
True or False, the shape of the earth ball on B&B does not determine how well it holds together. only firmness determines this factor. False
True or False, if an Earth ball begins to break apart when B&Bing stock, it is lost and cannot be saved. it must be heeled into the ground and left for future harvest. False
True or False, Plastic twine and nylon are the most common twines used in securing Earth balls on B&B stock. False
True or False, when selecting a plot for greenhouse, climate is a factor in this process. A site should be selected where sunlight and temperature are best suited for the crops to be grown. True
The pH level of the water supply for a greenhouse should be ____. 6.0-6.5
The water supply for a greenhouse crop should have an alkanlinity (calcium and magnesium carbonate) level of less than _____ ppm. 100
True or False, if your greenhouse is located above the fortieth parallel (Columbus,Ohio) it does not matter whether it orients North or South or East or West. False
There are two greenhouse designs that can be constructed: _______ and ________. (select two). Gothic and single, single and ridge and furrow, gothic and quonset, or ridge and furrow quonset. Ridge and Furrow and single.
Most grennhouses today are built of _______. Steel, plumium, redwood, or polycarbonates. Plumium
Polyehtylene glazing has a late transmission of approximately ________%. 64%
The least expensive glazing material is _________. Polyethylene
Acrylic glazing has a light penetration of approxiamately __________. 80%
True or False, Benches made of wood that have been treated with creosote or pentachlorphenol will release vapors that are toxic to plants. True
True or False, the most efficient bench height is between 36 and 48 inches. True
Which vent release excess heat and humidity in a greenhouse. Side vent, fan event, ridge vent, or coolpad vent. Ridge vent
True or False, prevention spray of fungicides is an essential treatment to use in containers just prior to storage in polyhouse. True
True or False, when overwintering perennials, botryis control is not necessary since plants are dormant. False
True or False, the size of the earth ball on B&B plants is determined by the size pf the plant. Species does not affect ball size. False
The most expensive type of greenhpuse to heat is _____________. Single-pane glass
Created by: BBaldwin
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