|
Special
weed problems and their associated conditions
|
|
Weed species
|
Associated condition(s)
|
Management comments
|
|
Annual
grasses
|
| Annual
bluegrass |
Overwatering; compacted
soil |
Reduce irrigation;
aerate |
| Crabgrass
(smooth and large) |
Overwatering or
frequent light watering; mowing too short |
Water longer and
less often; check mowing height |
| Goosegrass |
Overwatering; compacted
soil |
Reduce irrigation;
aerate |
|
Perennial
grasses
|
| Bermudagrass |
Previous bermudagrass
lawn or infestation; close mowing; sun and heat |
Remove plants before
they spread; increase mowing height |
| Dallisgrass |
Overwatering; compacted
soil |
Remove plants before
they spread; reduce irrigation; aerate |
|
Annual
broadleaves
|
| California
burclover, black medic |
Low nitrogen fertility |
Fertilize |
| Common
knotweed |
Compacted soil |
Aerate |
| Spurges
(spotted and prostrate) |
Closely mowed turf
with open areas; low nitrogen fertility |
Check mowing height;
remove plants before they spread |
|
Perennial
broadleaves
|
| White
clover |
Low nitrogen fertility |
Fertilize |
| Creeping
woodsorrel |
Nearby sources
of infestation |
Remove plants before
they spread |
| Dandelion |
Poorly maintained
thin areas or nearby sources of infestation |
Remove plants by
hand; improve turf management practices |
| English
daisy |
Moist areas of
turf in cool coastal climates |
Keep turf on dry
side; improve turf management practices |
| Plantains
(buckhorn and broadleaf) |
Overwatering; compacted
soil; poorly maintained open turf areas; shaded areas in warm
climates |
Reduce irrigation;
aerate; improve turf management practices |
|
Sedges
|
| Green
kyllinga |
Overwatering; poor
drainage; sun and heat |
Reduce irrigation |
| Nutsedge |
Overwatering; poor
drainage; sun and heat; nearby infestation |
Reduce irrigation;
remove plants before they spread |
