P1934 Weed Response to Selected Herbicides

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Weed Response to Selected Herbicides

Susceptibility of common weeds to control by phenoxy and some other systemic herbicides

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green (Amaranthus hybridus)

Plant name

Control¹

Alexandergrass (Brachiaria plantaginea)

E

Alligatorweed (Alternanthera philoxeroides)

P

N

Amaranth

E

E

E

E

E

E

E

palmer (A. palmeri)

E

E

E

E

E

E

spiny (A. spinosus)

E

G

G

E

E

E

E

See also Pigweed

Ammannia, pink (Ammania teres)

E

E

E

E

Amorpha, leadplant^*(Amorpha, canescens)

F

G

Angelica, purplestem (Angelica atropurpurea)

G

P

F

G

E

G

E

Anoda, spurred (Anoda cristata)

G

G

F

G

E

E

E

Arrowgrass, seaside (Triglochin maritima)

F

G

E

F

E

Arrowhead

annual (Sagittaria calycina)

E

E

E

G

E

F

E

perennial (S. longiloba)

F

F

Aster

many-flowered (Aster ericoides)^R

G

E

E

G

G

slender (A. exilis)

E

E

G

E

E

smooth (A. laevis)

G

F

F

G

E

E

G

white heath (A. pilosus)

F

N

F

E

G

G

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

Balloonvine (Cardiospermum halicacabum)

G

E

Baneberry, red (Actaea rubra)

F

G

G

Barley, little (Hordeum pusillum)

N

N

N

N

N

E

E

Beardgrass, bushy (Andropogon glomeratus)

N

N

N

N

N

Bedstraw, cleavers (Gallium aparine)

P

N

N

G

E

E

E

Beeplant, Rocky Mountain (Cleome serrulata)

F

Beggarticks,

bearded (Bidens aristosa)

E

E

E

E

E

E

E

devils (B. frondosa)

E

E

E

E

E

E

leafbract (B.comosa)

E

E

E

E

E

E

E

nodding (B. cernua)

E

E

E

E

E

E

E

Bellflower, creeping^* (Campanula rapunculoides)

P

P

P

F

E

F

E

Bentgrass, creeping (Agrostis stolonifera)

N

N

N

N

N

G

E

Bindweed,

field (Convolvulus arvensis)

G

G

F

G

G

P

G

hedge (C. sepium)

G

G

G

G

P

C

Bittercress, hairy (Cardamine hirsuta)

G

E

E

E

E

E

E

Blackeyed susan^* (Rudbeckia serotina)

G

E

E

E

E

Bouncingbet (Saponaria officinalis)

P

N

N

G

F

E

F

Bracken (Pteridium aquilinum)

N

N

N

G

F

P

G

Brome,

downy (Bromus tectorum)

N

N

N

N

P

E

E

field (B. arvensis)

N

N

N

N

N

E

G

Japanese (B. japonicus)

N

N

N

N

P

E

E

Broomsedge (Andropogon virginicus)

N

N

N

N

N

F

E

Broomweed (Gutierrezia dracunculoides)^R

G

G

E

F

F

Buffalobur^* (Solanum rostratum)

F

P

P

F

G

F

G

Bullnettle (Cnidoscolus stimulosus)

G

F

G

G

G

G

Bulrush (Scirpus spp.)

F

F

N

Burcucumber (Sicyos angulatus)

P

F

P

E

E

E

Burdock, common (Arctium minus)

E

E

E

E

E

F

G

Bur-head (Echinodorus cordifolius)

E

E

Burroweed^* (Haplopappus tenuisectus)

G

E

E

Buttercup,

celery leaf (Ranunculus sceleratus)

F

corn (R. arvensis)

G

E

E

F

F

G

creeping (R. repens)

G

E

G

G

F

G

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

Canarygrass, reed (Pharlaris arundinacea)

N

N

N

N

N

G

G

Carpetgrass (Axonopus affinis)

F

P

P

F

F

E

E

Carpetweed (Mollugo verticillata)

E

E

E

E

E

E

Carrot, wild (Daucus carota)

F

F

F

G

G

E

G

Catsear, spotted (Hypochoeris radicata)

G

E

E

E

E

E

Cattail,

broadleaf (Typha latifolia)

F

P

P

G

G

G

G

narrowleaf (T. angustifolia)

F

P

P

G

G

Chamomile, corn (Anthemis arvensis)

F

G

G

G

E

E

E

Cheat (Bromus secalinus)

N

N

N

N

F

E

E

Chervil, wild (Chaerophyllum tainturieri)

F

G

E

Chess, hairy (Bromus commutatus)

N

N

N

N

N

E

E

Chickweed,

common (Stellaria media)

F

P

F

E

E

G

E

field (Cerastium arvense)

F

P

P

E

E

F

E

mousseear (C. vulgatum)

F

P

P

E

E

G

E

sticky (C. viscosum)

G

G

E

E

E

E

E

Chicory (Cichorium intybus)

G

G

F

E

E

G

G

Cinquefoil,

common^* (Potentilla canadensis)

G

F

E

E

E

E

sulfur (P. recta)

G

F

E

E

E

E

Clover,

hop (Trifolium agrarium)

F

G

E

white (T. repens)

F

E

F

Cockle, corn (Agrostemma githago)

P

P

N

G

E

E

E

Cocklebur, common^* (Xanthium pensylvanicum)

E

F

G

E

E

E

E

Coffeeweed^* (Daubentonia texana)

E

E

E

E

Coreopsis, plains (Coreopsis tinctoria)

E

G

E

E

G

E

E

Cornflower, bachelor's button (Centaurea cyanus)

E

E

E

E

E

Costmary^* (Chrysanthemum balsamita)

F

F

F

F

E

G

G

Cranebill, cutleaf (Geranium dissectum)

E

Creeper,

Virginia (Parthenocissus quniquefolia)

P

P

P

F

F

F

G

mouseear (Arabidopsis thaliana)

E

E

E

E

E

E

E

Croton, wooly (C. capitatus)

E

E

E

E

Crown vetch (Coronilla varia)

G

G

G

E

E

G

G

Cudweed (Gnaphalium peregrinum)

N

E

E

G

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

Daisy, oxeye (Chrysanthemum leucanthemum)

F

F

N

E

E

G

G

Dallisgrass (Paspalum dilatatum)

N

N

N

N

N

G

F

Dandelion (Taraxacum officinale)

E

E

G

E

E

G

G

Darnel (Lolium temulentum)

E

Dayflower (Commelina communis)

F

G

P

F

P

E

E

Deadnettle, red (Lamium purpureum)

P

P

P

E

E

E

E

Devil's claw (Proboscidea louisianica)

E

E

E

E

Dock,

broadleaf (Rumex obtusifolius)

F

F

F

E

E

E

E

curly (R. crispus)

F

F

F

E

E

G

G

fiddle (R. pulcher)

E

G

E

E

E

pale (R. altissimus)

G

G

P

G

E

E

E

Dodder,

largeseed (Cuscuta indecora)

P

N

N

E

smallseed alfalfa (C. pentagona)

P

N

N

Dogbane, hemp (Apocynum cannabinum)

F

P

P

F

G

G

G

Duckweed, common (Lemma minor)

P

N

N

G

N

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

Eveningprimrose, common (Oenothera biennis)

E

E

E

E

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

False boneset (Kuhnia eupatorioldes)

G

F

F

F

E

G

G

Fennel, dog (Eupatorium capillifolium)

G

N

E

E

G

Fescue, sixweeks (Vulpia octoflora)

N

N

N

N

N

E

E

Fieldcress, yellow (Rorippa sylvestris)

G

F

F

F

G

G

G

Fleabane,

annual (Erigeron annuus)

F

F

E

E

E

E

E

rough (E. strigosus)

G

E

E

E

E

Florida betony (Stachys floridana)

P

F

G

E

G

Foxtail, meadow^* (Alopecurus pratensis)

N

N

N

P

N

E

E

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹

Galinsoga,

hairy (Galinsoga ciliata)

G

E

E

E

G

E

smallflower (G. parviflora)

E

G

G

E

E

E

E

Garlic, wild (Allium vineale)

F

P

P

F

G

F

P

Geranium, Carolina (Geranium carolinianum)

G

E

E

E

E

E

E

Goldenrod (Solidago spp.)

F

G

E

P

E

Gooseweed (Sphenoclea zeylanica)

F

P

N

Gourd, buffalo (Curcurbita foetidissima)

P

Gromwell^* (Lithospermum officinale)

N

E

Groundcherry,^* clammy (Physalis heterophylla)

N

N

E

E

Groundivy (Glechoma hederacea)

F

P

N

G

E

G

Groundsel, cressleaf (Senecio glabellus)

E

E

G

E

¹Ratings: E = Excellent, G = good, F = Fair, P = poor, N = none.
²See limitations on use of 2,4,5-T and silvex.
³Sometimes biennial.
^R = Rare
^* = Related species

Plant name

Control¹