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Download Louisiana Landscape Horticulture State Exam Questions and100% Correct Answers and more Exams Botany and Agronomy in PDF only on Docsity!
Cultivars - Correct Answer designates a special group of plants, may differ in growth habit, season of maturity, fruit, color, shape root systems - Correct Answer taproot and fibrous function of root system - Correct Answer absorption, anchorage, conduction, storage taproot - Correct Answer grows directly downward stems - Correct Answer support, conduction, storage conduction - Correct Answer movement of water, mineral solutions, and substances manufactured in plants xylem - Correct Answer vascular tissue that carries water upward from the roots to every part of a plant through inner tissue phloem - Correct Answer food from leaves moves out of leaves through outer stem monocots - Correct Answer angiosperms that have only one seed leaf Dicots - Correct Answer angiosperms that have two seed leaves girdle - Correct Answer complete circle of dead tissue around the stem with interrupts the food supply pipeline nodes - Correct Answer where leaves attach to stem internodes - Correct Answer the stem segments between nodes specialized stems and roots - Correct Answer bulbs, corms, rhizomes, tubers, tuberous roots Angiosperms - Correct Answer flowering plants that produce seeds in fruit Gymnosperms - Correct Answer plants that produce seeds but not flowers pistil - Correct Answer Female part of the flower heat travels - Correct Answer conduction, convection, radiation AVG. # of days per year above 86 degrees F zone 8 - Correct Answer 90 to 120 days AVG. # of days per year above 86 degrees F zone 9 - Correct Answer 120-150 days soil texture - Correct Answer Relative amounts of the different types and sizes of mineral particles in a sample of soil. classified as sand, silt, and clay soil structure - Correct Answer the arrangement of soil particles. can be single grained (sandy soils) or particles grouped together (clay soils) organic matter - Correct Answer classified according to the percentage of organic matter present in the strata's top 12 inches ph scale 1-6 - Correct Answer acid ph scale 7 - Correct Answer neutral ph scale 8-14 - Correct Answer alkaline sulfur - Correct Answer added to alkaline soils to lower pH lime - Correct Answer added to acid soils to raise pH Soil - Correct Answer regulates nutrient availability two ways soils can be classified - Correct Answer organic and mineral sexual propagation - Correct Answer reproduction of plants with the use of seeds or spores Propagation Disadvantage - Correct Answer producing offspring that are not uniform reproductive phase - Correct Answer 1. flower or cone bud induction 2. flower bud initiation and development 3. flowering 4. fruit and seed production if fertilization occurs bare root stock planting time - Correct Answer December to march planting a solitary tree or shrub - Correct Answer dig the hole at least two or three times wider than the root ball of the plant organic amendments - Correct Answer do not significantly enhance the growth of ornamental plants. mulch - Correct Answer maintains uniform soil moisture level insulate roots from temp extremes reduce soil-borne diseases on foilage help prevent weeds granular fertilizers - Correct Answer 3:1:2 and 4:1:2 ratio are generally recommended for primary plant food nutrients pruning - Correct Answer eliminate dead, diseased, dying or wounded limbs to improve the form and balance of a plant to guide the growth habit to stimulate new growth to rejuvenate older plantings to maintain a geometric shape auxin - Correct Answer a plant hormone that promotes root formation and bud growth thinning out - Correct Answer complete removal of branches back to a lateral branch or the main trunk heading back - Correct Answer removes the terminal portion if twigs to an axillary bud or node most broad leaf shrubs respond well to rejuvenate type pruning - Correct Answer true when to prune spring flowering plants - Correct Answer prune right after flowering in spring and before new buds form when to prune trees and shrubs - Correct Answer during dormancy nandina and mahonia pruning - Correct Answer cut older canes back 6-8 inches from ground level. old overgrown plants can be severely pruned to ground level when to prune nandina - Correct Answer after Christmas season ideal nightime temp for interior plants - Correct Answer 50-60 F insect identifying classifications - Correct Answer three body regions three pairs of legs on pair of antenna one or two pair of wings parts of an insect head - Correct Answer maxilla mandible labrum insect body regions - Correct Answer head thorax abdomen metamorphasis - Correct Answer change of form pupa - Correct Answer intermediate stage between larva and adult types of plant diseases - Correct Answer pathogenic non-pathogenic non pathogenic diseases - Correct Answer nutrient deficiencies lack of soil moisture to low or high temp air pollution soil pH hardpans chemical injury pathogenic disease - Correct Answer occurs when a host plant is invaded by a pathogen 3 factors of pathogenic disease - Correct Answer susceptible host parasitic organism environmental conditions 4 major groups of parasitic organisms - Correct Answer fungi bacteria viruses nematodes saprophytes - Correct Answer beneficial fungi WP or W - Correct Answer Wettable powders included on all labels - Correct Answer brand, trade, product name common name formulation ingredient statement type of pesticide manufacturer registration and establishment. numbers words or symbols monocots - Correct Answer angiosperms that have only one seed leaf dicots - Correct Answer angiosperms that have two seed leaves two types of weed control - Correct Answer pre emerge post emerge warm season turf grass - Correct Answer bermuda zoysia st. aug centipede carpet Bahia bermuda - Correct Answer fine texture zoysia - Correct Answer med-fine texture st. aug - Correct Answer very coarse texture centipede - Correct Answer coarse texture carpet grass - Correct Answer very coarse texture Bahia grass - Correct Answer very coarse texture vegetative turf grass establishment - Correct Answer stolonizing sprigging plugging sodding strip sodding best time to plant palms - Correct Answer end of April to august propagation by seed - Correct Answer easiest way to increase the number of palms ground cover - Correct Answer greatly enhance beauty of the landscape erosion control on slopes lawn maintenance reduction filling narrow or odd areas provides vegitative growth reduces temp and glare annuals - Correct Answer complete life cycle in one growing season perennials - Correct Answer live longer than two years color bed guidelines - Correct Answer use masses of the same color pleasantly contrast the background colors that blend together locate color where you want to draw someones attention Rose culture requirements - Correct Answer 8-10 hours of sun light well drained area plant bare root in the winter thrips - Correct Answer most common insect that damages roses aphids - Correct Answer most common insect found in LA on roses Roes Water requirment - Correct Answer 1 inch of water per week Contract - Correct Answer agreement enforceable by law verbal or written types of contracts - Correct Answer unit price cost plus lump sum or fixed price Garuntees and replacements - Correct Answer not la law to include for plants installed but is common practice to include 90 days 
