|
|
Plum
> Year-Round IPM Program > Dormant/Delayed-Dormant
> Perennial Weeds
Plum
Perennial Weeds You May See
Each name links to more information on identification and biology.
Click on photos to enlarge
Field blindweed
(Convolvulus arvensis): Morningglory family; perennial;
seed leaves nearly square, with shallow notch at tip; early
true leaves spade shaped; petioles flattened. |
Bermudagrass
(Cynodon dactylon): Grass family; perennial; first leaves with somewhat rough
surface; ligule surrounded by ring of hairs with tuft of long hairs on either
side; auricles absent; stem flat, wiry, and without hairs. |
Perennial clovers
(Trifolium spp.): Pea family; perennial; seed leaves spatulate, smooth; blades
taper into petiole; first leaf simple, truncated at base, round to broadly oval;
later leaves with 3 leaflets per leaf, smooth, alternate, lower surface gray-green,
upper surface-green; usually light-green splotch near base of each leaflet. |
Dallisgrass
(Paspalum dilatatum): Grass family; perennial; first leaves rolled in bud; ligule
membranous and tall, with bluntly pointed or rounded tip; long, silky hairs
at collar; no auricles; sheaths flattened with prominent midrib; first leaf
sheaths softly hairy. |
Johnsongrass (Sorghum
halepense): Grass family; perennial; first leaves with white
midvein, 8 times longer than wide and rolled in bud; ligule
membranous below and fringed or toothed above; no auricles. |
Yellow nutsedge
(Cyperus esculentus): Sedge family; perennial; grasslike;
light-green blades, flat, slender; leaf tip long and drawn
out; nutlets globe shaped, smooth, and almond flavored. |
|
