Exam # 1

Question 1

• Turfgrasses

- Turf

Answer 1

• Plant by itself that persistsunder regular mowing

- an interconnecting community of turfgrasses

Question 2

Sod

Answer 2

The surface layer of turf harvested for transplanting

Question 3

Types of turfgrasses

Answer 3

-utility
-lawn
sports

Question 4

Visual turf qualities

Answer 4

• density
• texture
• uniformity
• color
• grouth habit
• smoothness

Question 5

Functional turf qualities

Answer 5

-rigidity
-elasticity
-resiliency
-ball roll
yield
-verdure
-rooting
recuperative capacity

Question 6

Uniformity

Answer 6

estimate of the even appearance of turf

Question 7

color

Answer 7

measure of light reflected by turfgrass

Question 8

grouth habit

Answer 8

-type of shoot growth
-three growth habits
stolon rhizome bunch type

Question 9

smoothness

Answer 9

surface feature of a turf that effects visual quality and playability

Question 10

rigidity

Answer 10

the resistance of the turfgrass leaves to compression

Question 11

elasticity

Answer 11

tendancy of the turfgrass leaves to spring back once a compression force I removed

Question 12

reciliency

Answer 12

• obsorb shock without altering its surface

- largely associated with growing medium

Question 13

ball roll

Answer 13

average distance ball travelsupon being released to a turf surface

Question 14

yield

Answer 14

measure of clippings removed with mowing

• indication of grouth
• not direct with turf health

Question 15

verdure

Answer 15

measure of the arial shoots remainin g after mowing

Question 16

rooting

Answer 16

amount of root grouth evident at any one time during the growing season

Question 17

recuperative capacity

Answer 17

capacity of turfgrass to recover from damage caused by disease organisms, insects traffic, or similar agents

Question 18

Turfgrass management

Answer 18

the range of activities, including cultural practices, for establishing and sustaining turf at a desired level of quality

Question 19

missmanagement

Answer 19

• selection of poor adapted species
• improper establishment procedures
• mistake in the selection in or implimations of pestecides

Question 20

turf primarily practices

Answer 20

• mowing
• irrigation
• fertility

Question 21

mowing

Answer 21

• the periodic removal of a portionof turfgrass shoot grouth

- has the most influenceof all the cultural practices on a turfgrass stand

Question 22

puspose of mowing

Answer 22

• maintain top grouth
• control unwanted vegetation
• sustain desire quality
• produce true putting surface

Question 23

Patterns of mowing

Answer 23

shadow cut-uno pa otro

block out-two directions

Question 24

First mower

Answer 24

Edward Budding
1830
carpet

Question 25

3 Types of Mowers

Answer 25

Rotary reel Fleil

Question 26

Reel mower

Answer 26

ednife with rotating reel cylinder

Question 27

Quality of cut Sharpness -too tight -too loose

Answer 27

1. Accelerated wear of cutting surface 2. excessive build of heat 3. Increase power requirement 1. torn or bruce leaves 2. Tip discoloration 3. overall stuning of grouth

Question 28

MH

Answer 28

mowing height

Question 29

CR

Answer 29

clip of the reel - forward distance traveled betweensuccessive clips - Determined by 1. # of blades of reel 2. velocity of location 3. forward speed of mowing

Question 30

Uniformity of cut

Answer 30

CR=MH most uniform cut CR>MH marcelling choppy CR

Question 31

Frequency of cut

Answer 31

FC=# of clips per unit distance | CR=distance traveled between clips

Question 32

If reel makes two clips per inch | What is the CR?

Answer 32

CR(clip of reel) is 1/2 inch

Question 33

Flail Mowers

Answer 33

- cuts by impact - small knifes hinged to horizontal shaft - when rotating centrifugal force takes ovr

Question 34

Lowering mowing heights - advantages - disadvantages

Answer 34

-stimulates Arial shoot growth -increase shoot density small shoot size +decrease root and rhizome growth +decrease carbohydrates reserve +increase plant succulent

Question 35

mowing patterns (DEFINE)

Answer 35

-mowing orients Arial shoots toward the direction of travel

Question 36

Mowing Patterns | CLASSES

Answer 36

- Class C no stripes 50/50 - PGA dark stripes, cross patterns - overkill-stripe everything

Question 37

CLIPPINGS

Answer 37

-Serve as plant nutients +dried clippings contain3 to 5 % nitrogen -removal requires more fert applications -clippings are not related to thatch