Lecture 10 - Wheatgrasses Flashcards

(18 cards)

1
Q

types of wheatgrass

A
  • crested wheatgrass
  • intermediate wheatgrass
  • hybrid wheatgrass
  • slender wheatgrass (native grass)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what climate is wheatgrass most adapted to

A

arid or semi-arid climates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

do wheatgrasses establish relatively easily

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

crested wheatgrass description

A
  • long-lived perennial bunchgrass
  • semi dormant during droughts or summer
  • upright growth habit
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

crested wheatgrass has ________ winter hardiness and drought tolerance

A

exceptional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

when does crested wheatgrass start growth

A

early in spring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

adaptation of crested wheatgrass

A
  • not very persistent in moist zones
  • moderate salinity tolerance
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

why is crested wheatgrass typically grown for hay

A
  • has high yield in cut 1
  • regrowth is usually poor
  • mixed with alfalfa or other legumes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

problems with crested wheatgrass in pasture production

A
  • mature plants may be unpalatable (wolf plants)
  • poor summer regrowth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

wolf plants

A

plants that cattle will graze around (typically when they develop seed head)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

t/f: intermediate wheatgrass requires more ample soil moisture than crested wheatgrass

A

t

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

intermediate wheatgrass have tolerance to __________ salinity

A

moderate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

intermediate wheatgrass description

A
  • tall, productive grass
  • later maturing (1-2wk) than brome
  • short rhizomatous
  • potential as a biomass crop
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pasture production of intermediate wheatgrass

A
  • mixed with alfalfa
  • should not be grazed continuously or close to the ground (stand will be short lived)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the cross to develop hybrid wheatgrass

A

quackgrass x bluebunch wheatgrass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

where is hybrid wheatgrass typically used

A

in saline areas because it has high salinity tolerance

17
Q

slender wheatgrass is a ________ bunch grass

18
Q

t/f: slender wheatgrass is not very tolerant to saline soils

A

f, it has high tolerance to saline soils