Louisiana Horticulture License Review Exam 450 Questions With Verified Solutions

Louisiana Horticulture License Review Exam 450
Questions With Verified Solutions

.___ are low-growing plants that do well along the edges of beds. - ANSWER-Alyssum



.___ attack the young, growing foliage and buds, feeding on plant juices. - ANSWER-Aphids



.____ and drainage are key elements in growing roses. - ANSWER-Sunlight



.____ appears on roses in early spring and late summer when nights are relatively cool. - ANSWER-Powdery
Mildew



.____ applies only to persons and property not connected with a project. - ANSWER-Contractor's Liability
Insurance



.____ are generally the fastest way to manage pests. - ANSWER-Pesticides



.____ are probable the most common insect found on roses in Louisiana. - ANSWER-Aphids



.____ are spread by blowing rain, insects, humans and inside seeds. - ANSWER-Bacteria



.____ are the costs that are generally the most difficult to calculate and require experience with actual
landscape installation in order to be estimated properly - ANSWER-Direct job expenses



.____ causes infected plants to become stunted. All infected plants must then be discarded. - ANSWER-Crown
Gall

,.____ control is the rotation of crops and using tilling to control pests. - ANSWER-Cultural



.____ covers the contractor if faulty construction causes damage after the project is turned over to the owner. -
ANSWER-Competed Operation Insurance



.____ infested with thrips will not open properly. - ANSWER-Buds



.____ is a policy where the insurance company assumes owner's risk and covers employees only. - ANSWER-
Workman's Compensation Insurance



.____ is most important after planting trees and shrubs. - ANSWER-Maintenance



.____ plants provide a sizeable portion of garden sales. - ANSWER-Bedding



._____ and _____ are the two most critical requirements for successful seed germination. - ANSWER-Water
and temperature



._____ are hardy plants that tolerate cold temperatures. - ANSWER-Snapdragons



._____ can be applied either in the planting hole or on the soil surface after planting or transplanting trees or
shrubs. - ANSWER-Fertilizer



._____ control involves the use of naturally occurring enemies of pests. - ANSWER-Biological



._____ control uses traps screens, barriers and electricity to prevent the spread of pests or reduce infestations.
- ANSWER-Mechanical



._____ is applied to injury, death, and property damage from operations performed for the contractor by
independent subs. - ANSWER-Contractor's Protective Liability Insurance

,._____ is one of the main attributes of insects and disease problems that is not associated with healthy plants. -
ANSWER-Stress



.______ is a fungal disorder than can be identified by the appearance of rough, circular, bright orange spots on
the underside of leaves and on stems. - ANSWER-Leaf Rust



.______ is the most common form of general contract in which the owner aggress to pay a set amount to the
contractor for executing the services specified in the contract. - ANSWER-Fixed-Price Contract



._______ is a form of pest control where plant varieties are developed which are immune to certain pests. -
ANSWER-Host resistance



._______ is NOT a recommended ground covers for LOUISIANA. - ANSWER-Dianthus



.__________ are tender plants and best for warmer conditions. - ANSWER-Cosmos



.__________ is NOT a recommended ground cover for the SOUTH. - ANSWER-Daylily



.__________ is the most frequently used material to raise soul pH when establishing turfgrasses. - ANSWER-
Limestone



.___________ could equally describe a loam soil or an adobe soil as very hard to work with. - ANSWER-Black
soil



.___________ names refer to large groups rather than individual species. - ANSWER-Common



.____________ tissue is very important from the health standpoint of trees? - ANSWER-Trunk

, ._____________ are generally evergreen, low growing, and spreading ornamental plants. - ANSWER-Ground
covers



._____________ are used to remove branches that cannot be reached from the ground. - ANSWER-Pole pruner



._____________ or _____________ fertilizers are easier to use, less expensive, and are more efficient because
they react faster and become available to plants more quickly. - ANSWER-chemical or inorganic



._______________ are for clipping small-leafed plants to maintain a formal appearance. - ANSWER-Hedge
shears



._______________ are used for branches larger than 1 1/2 inches in diameter. - ANSWER-Pruning saw



._______________ favorably affects soil structure by increasing the water holding capacity of sandy soils and
the workability of the clay and other heavy soils. - ANSWER-Organic matter



._______________ is the biggest propagation problem. - ANSWER-Watering



.________________ of trees and shrubs during times of dry weather is imperative, especially during the first
several years. - ANSWER-Irrigation



._________________ herbicides can kill existing weeds and extreme care must be used with these materials
when plants are in the immediate area. - ANSWER-Post-emergence



.________________, a common disease in ornamental plants which causes the damping off of young vegetable
plants is spread by mycelia fragments. - ANSWER-Rhizoctonia



._______________names of insects end with -idea. an example is Aphidae (aphids). - ANSWER-Family