The library
Know what's in the jug.
69 actives, with what each one does, how it moves through a plant, where it fits in a Prairie season, and what to watch for.
69 actives
-
Glyphosate
EPSP synthase inhibitors
The backbone of Prairie burnoff. A non-selective, fully systemic herbicide that moves to the roots and growing points of what it hits.
-
Glufosinate
Glutamine synthetase inhibitors
The in-crop tool in glufosinate-tolerant (LibertyLink) canola. Burns down weeds on contact with very little movement in the plant.
-
2,4-D
Synthetic auxins
One of the oldest and most widely used broadleaf herbicides. Sold as amine and ester forms.
-
MCPA
Synthetic auxins
A Group 4 broadleaf herbicide, used in cereals and flax, and a common partner in premixes.
-
Dicamba
Synthetic auxins
A benzoic acid Group 4 with foliar and some soil activity. Used in cereals, burnoff and chem-fallow.
-
Clopyralid
Synthetic auxins
A pyridine Group 4 known for Canada thistle, perennial sow thistle and volunteer alfalfa.
-
Fluroxypyr
Synthetic auxins
A pyridine Group 4 used for kochia, cleavers and hemp-nettle, especially in cereals.
-
Quinclorac
Synthetic auxins
A quinoline Group 4 best known for cleavers, with soil and foliar uptake.
-
Bromoxynil
Photosystem II inhibitors
A contact broadleaf herbicide, usually in cereal premixes with MCPA. Works best on small weeds.
-
Bentazon
Photosystem II inhibitors
A contact broadleaf herbicide used in pulses and other crops.
-
Metribuzin
Photosystem II inhibitors
A soil and foliar Group 5, used in lentils, peas, potatoes and other crops.
-
Carfentrazone
PPO inhibitors
A very fast contact burn. Mostly used as a burnoff partner with glyphosate.
-
Sulfentrazone
PPO inhibitors
A soil-residual Group 14, used ahead of pulses, flax and other crops, with good activity on kochia.
-
Quizalofop
ACCase inhibitors
A FOP Group 1 for grassy weeds in canola, pulses and other broadleaf crops.
-
Clethodim
ACCase inhibitors
A DIM Group 1 for grassy weeds and volunteer cereals in broadleaf crops.
-
Clodinafop
ACCase inhibitors
A FOP Group 1 for wild oats and green foxtail in wheat.
-
Fenoxaprop
ACCase inhibitors
A FOP Group 1 for grassy weeds in cereals.
-
Pinoxaden
ACCase inhibitors
A DEN Group 1 for wild oats and foxtail in wheat and barley.
-
Tribenuron
ALS / AHAS inhibitors
A sulfonylurea used as a burnoff partner and in cereals.
-
Thifensulfuron
ALS / AHAS inhibitors
A sulfonylurea for broadleaf weeds, usually in premixes for cereals.
-
Florasulam
ALS / AHAS inhibitors
A triazolopyrimidine Group 2 with good activity on cleavers and chickweed in cereals.
-
Flucarbazone
ALS / AHAS inhibitors
A Group 2 for wild oats and some broadleaf weeds in wheat.
-
Imazamox
ALS / AHAS inhibitors
An imidazolinone for pulses and Clearfield crops.
-
Imazethapyr
ALS / AHAS inhibitors
An imidazolinone for pulses, with foliar and soil activity.
-
Trifluralin
Microtubule inhibitors
A soil-applied granular or liquid Group 3 for grassy and some broadleaf weeds.
-
Ethalfluralin
Microtubule inhibitors
A soil-applied Group 3 for canola and pulses, known for kochia and cleavers suppression as well as grasses.
-
Tri-allate
VLCFA inhibitors
A soil-applied product for wild oats, with no cross-resistance to Group 1 or 2. Formerly called Group 8.
-
Clomazone
DOXP synthase inhibitors
A soil-applied Group 13, known for the bleached look of affected plants.
-
Diquat
Photosystem I electron diverters
A pure contact desiccant. Used pre-harvest to dry down crops and green weeds.
-
Tebuconazole
DMI (triazoles)
A triazole used for leaf disease and fusarium head blight suppression, and in seed treatments.
-
Propiconazole
DMI (triazoles)
A long-standing triazole for leaf diseases in cereals and other crops.
-
Prothioconazole
DMI (triazoles)
A strong triazole-class active used on fusarium head blight in cereals, and on sclerotinia in canola.
-
Difenoconazole
DMI (triazoles)
A triazole used on seed to protect against seed-borne and soil-borne disease.
-
Metalaxyl-M
Phenylamides
A seed treatment active targeting Pythium and other water moulds.
-
Boscalid
SDHI
An SDHI used on sclerotinia in canola and on disease in pulses.
-
Pyraclostrobin
QoI (strobilurins)
A strobilurin for leaf diseases in many crops, strongest as a preventive.
-
Azoxystrobin
QoI (strobilurins)
A strobilurin with systemic movement, used alone and in premixes with triazoles.
-
Deltamethrin
Sodium channel modulators
A pyrethroid for flea beetles, cutworms, grasshoppers and bertha armyworm in several crops.
-
Lambda-cyhalothrin
Sodium channel modulators
A fast-acting pyrethroid for flea beetles, lygus, seedpod weevil and other pests.
-
Pyroxasulfone
VLCFA inhibitors
A soil-applied Group 15 for grassy weeds and small-seeded broadleaf weeds. It adds a residual layer that post-emergent sprays cannot, in a different group from the Group 1s and 2s.
-
S-metolachlor
VLCFA inhibitors
A chloroacetamide Group 15, applied to the soil for grassy weeds and some small-seeded broadleaf weeds.
-
Flumioxazin
PPO inhibitors
A soil-active Group 14 for early-season broadleaf control in pulses, wheat, barley and soybeans, usually applied with a burndown partner.
-
Saflufenacil
PPO inhibitors
A fast Group 14 burnoff partner for broadleaf weeds, used with glyphosate ahead of many crops.
-
Pyraflufen
PPO inhibitors
A contact Group 14 used at low rates in premixes, such as BlackHawk with 2,4-D ester and Conquer II with bromoxynil.
-
Aminopyralid
Synthetic auxins
A pyridine Group 4 for Canada thistle and other broadleaf weeds in pasture and rangeland.
-
Halauxifen
Synthetic auxins
A newer arylpicolinate Group 4, used at very low rates in cereal and burnoff premixes.
-
Dichlorprop-P
Synthetic auxins
A phenoxy Group 4, usually sold with 2,4-D ester to widen the weed list in burnoff and fall programs.
-
Metsulfuron
ALS / AHAS inhibitors
A long-standing sulfonylurea for broadleaf weeds in cereals, pasture and chem-fallow, and a common low-rate partner.
-
Pyroxsulam
ALS / AHAS inhibitors
A triazolopyrimidine Group 2 for wild oats and broadleaf weeds in wheat.
-
Pyrasulfotole
HPPD inhibitors
A Group 27 sold with bromoxynil for broadleaf weeds in wheat, durum and barley, including kochia.
-
Bicyclopyrone
HPPD inhibitors
A triketone Group 27, sold with bromoxynil in Talinor and in the Axial premix line for cereals.
-
Fluxapyroxad
SDHI
An SDHI used in leaf-disease premixes and seed treatments, often alongside a strobilurin.
-
Fluopyram
SDHI
An SDHI paired with prothioconazole in foliar products such as Propulse and Delaro Complete.
-
Sedaxane
SDHI
An SDHI seed treatment, sold in the Vibrance line for cereals and in Helix Vibrance for canola.
-
Fludioxonil
Osmotic signal disruptors
One of the most common seed-treatment actives, used in blends across cereals, pulses, canola and potatoes.
-
Trifloxystrobin
QoI (strobilurins)
A strobilurin sold in premixes with triazoles and SDHIs, and in seed treatments.
-
Metconazole
DMI (triazoles)
A triazole used on fusarium head blight in cereals, alone or with prothioconazole, and in seed treatments.
-
Chlorothalonil
Multi-site contact fungicides
A multi-site protectant fungicide with a long record, used on leaf disease in pulses, potatoes and other crops.
-
Mancozeb
Multi-site contact fungicides
A multi-site protectant, used mainly on potatoes and in potato seed-piece treatments.
-
Thiabendazole
MBC fungicides
A benzimidazole seed-treatment active, mainly in corn and soybean seed blends.
-
Chlorantraniliprole
Ryanodine receptor modulators
A diamide for caterpillars such as bertha armyworm and cutworms. Several generics have reached Canada in recent years.
-
Cyantraniliprole
Ryanodine receptor modulators
A diamide used in canola seed treatments, which brings a non-neonicotinoid group against flea beetles.
-
Thiamethoxam
Nicotinic receptor modulators
A neonicotinoid seed treatment, sold as Helix on canola and Cruiser on cereals.
-
Clothianidin
Nicotinic receptor modulators
A neonicotinoid seed treatment for flea beetles in canola and early-season pests in cereals.
-
Imidacloprid
Nicotinic receptor modulators
A long-standing neonicotinoid, used as a seed treatment and in some foliar products.
-
Permethrin
Sodium channel modulators
An older pyrethroid with fast contact knockdown on chewing insects.
-
Cypermethrin
Sodium channel modulators
A pyrethroid for flea beetles, grasshoppers and other pests in several crops.
-
Dimethoate
Acetylcholinesterase inhibitors
An organophosphate with contact and systemic action, and one of the older tools for aphids and grasshoppers.
-
Malathion
Acetylcholinesterase inhibitors
An older organophosphate with a broad insect list and short residual.
Nothing matches that search.
Structures come from PubChem, with group numbers from the HRAC/WSSA, FRAC and IRAC systems and the Saskatchewan Guide to Crop Protection. This is general information. The product label is always the final word.