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Turf Management Chapter 1
Turfgrass Management SC4 WI 2012
36
Agriculture
Undergraduate 2
01/22/2012

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Term
Define Turf
Definition
A covering of mowed vegetation PLUS the medium (soil) in which the grasses are growing.
Term
Turfgrass
Definition
The PLANT COMMUNITY consisting of certain species in the Poeceae forming a continuous ground cover which persists under regular mowing and traffic.
Term
Sod:
Definition
Harvested turf (grass plus roots and soil)
Term
Turfgrass Culture:
Definition
Science and practice of establishing and maintaining turfgrass
Term
Turfgrass Management:
Definition
Encompasses labor supervision, record keeping, budgeting, and cost accounting as well as culture
Term
Green:
Definition
A closely mowed, highly manicured turfgrass maintained for a specific purpose
‚ó¶Types: golf, bowling, tennis
Term
Native Grass:
Definition
Originate and persist in a region
Term
Naturalized Grass:
Definition
Adapt and persist but not originate from the region
Term
Grass:
Definition
Any Plant of the Poacea Family (Cereals, Forages, Bamboo), Parallel Venation, Monocot: Having One Cotyledon (Seedling Leaf) in the Seed
Term
Poa Pratensis
Definition
Kentucky Blue Grass
Term
Monocot
Leaf, Floral, Stem, Seed, and Ovary descriptions
Definition
one leaf (at germination)
Floral parts in sets of three
leaves long tapered blades with parallel venation
stems: vascular bundles are scattered
seeds: contain one cotyledon
does not contain ovaries
Term
Dicot
Leaf, Floral, Stem, Seed, and Ovary descriptions
Definition
two leaves (at germination)
floral parts in sets of four or five
leaves broad to narrow leaves with netted venation
stems: vascular bundles aranged in a circle
seeds: contains two cotyledons
contains ovaries
Term
Poa Annua
Definition
Annual Bluegrass
Term
Poa Trivialis
Definition
Rough Bluegrass
Term
Poa Compressa
Definition
Canada Bluegrass
Term
Poa Arachinfera
Definition
Texas Bluegrass
Term
Poa
Definition
genus for all blue grasses
Term
Cultivars differ in what?
Definition
traits
Term
Meristematic Tissue
Definition
Cell that divides or enlarges (in grass it is in the crown), not all plants contain this tissue.
Term
Photosynthesis breakdown
Definition
Converting sunlight to energy

12H2O + 6CO2 + light
Water Carbon
dioxide

C6H12O6 + 6O2 + 6H2O
Sugar Oxygen Water
Term
Warm season Grasses (C-?)
Definition
~WARM SEASON VS COOL SEASON GRASSES
C-4 Warm Season
-evolved in the tropics
-More Ps efficient waste less energy
-Continue to grow in heat
-fertilize in summer*
Term
Cool season grasses (C-?)
Definition
C-3 Cool Season
-Do not need fertilizer in late June, July and Early August
-When temperature rises - growth slows
-Roots die in summer when heat or drought stressed
Term
Rhizomes
Definition
Roots that produce new plants and spread underground
Term
Stolens
Definition
Roots that produce new plants by spreading above ground (runners)
Term
Grass has _________ roots.
Definition
Fibrous
Term
Three identifying characteristics of a ligule
Definition
Type, Shape, and Margin
Term
Three types of leaf blade collars.
Definition
Broad, Narrow, Divided
Term
Three types of auricle identifications.
Definition
Clasping, Short, absent
Term
Three types of sheath margins
Definition
split, closed, split-overlapping
Term
Adventitious Roots are at the top or bottom of the root structure in grass?
Definition
Top
Term
Seminal roots are at the top or bottom of the root structure in grass?
Definition
bottom
Term
Inflorescence
Definition
Entire flower head with all blossoms above the flowering culm
Term
Turf quality is measured in what two categories?
Definition
Visual and Functional
Term
What 4 measures are taken for visual quality of turf?
Definition
Color, Texture (leaf width), Density, Uniformity
Term
7 measures of functional quality of turf?
Definition
Rigidity, Elasticity, Resiliency, Yield, Verdure, Rooting, Recuperative Capacity
Term
Golf Green VS Highway Turf
Definition
Gold green: aesthetic, frequent mowing, irrigated often, fertilizers, pesticides, high maintenance, very expensive to maintain
Highway Turf: Utilitarian, mowed less frequently, rain for water, low maintenance, low budget
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