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Registered Crop Input Products / Cypressa™ Herbicide with Rinskor™ active

Cypressa™ Herbicide with Rinskor™ active

PCP #35519 · Corteva Agriscience Canada Company · Herbicide

Group 4

Group 4 systemic auxin-type herbicide containing fluroxypyr and florpyrauxifen for postemergent control of broadleaf weeds in rangeland, permanent pasture, and industrial non-crop areas. Controls weeds by disrupting normal plant growth patterns, causing epinasty and swollen nodes.

Open full PDF →

Registered uses (53)

Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.

CropTargetRatePHI
Non-CropBroadleaf weeds0.85–1.66 L/acre–
Non-CropKochia (up to 15 cm and 8 leaf), Canada fleabane (bolting up to 20 cm), Velvetleaf (up to 3 leaf and 8 cm), Common waterhemp (up to 3 leaf and 8 cm), Cleavers (up to 10 cm), Lambs-quarters (prior to budding stage), Round-leaved mallow (up to 6 leaf), Annual sow-thistle (up to 3 cm), Wild chervil (up to budding stage and 40 cm), Wild parsnip, Wild caraway, Tall buttercup, Chickweed (up to 8 cm), Volunteer flax (up to 12 cm), Kochia suppression (up to 50 cm), Hemp-nettle suppression (up to 3 leaf and 8 cm), Storks-bill suppression (up to 8 leaf), Wild buckwheat suppression (up to 8 leaf)0.85 L/acre–
Non-CropKochia (up to 50 cm), Dandelion (rosette stage to beginning flowering, 35 plants/m² or less), Shepherd's purse (up to flowering stage), Wild buckwheat (vegetation stage up to 20 cm), Common barnyardgrass (vegetation stage up to 20 cm), plus all weeds listed at 2.1 L/ha rate1.66 L/acre–
Permanent PastureAnnual sow-thistle0.85 L/acre7 d
Permanent PastureCanada fleabane0.85 L/acre7 d
Permanent PastureChickweed0.85 L/acre7 d
Permanent PastureCleavers0.85 L/acre7 d
Permanent PastureCommon barnyardgrass1.66 L/acre7 d
Permanent PastureCommon waterhemp0.85 L/acre7 d
Permanent PastureDandelion1.66 L/acre7 d
Permanent PastureHemp-nettle (suppression)0.85 L/acre7 d
Permanent PastureKochia0.85 L/acre7 d
Permanent PastureKochia1.66 L/acre7 d
Permanent PastureKochia (suppression)0.85 L/acre7 d
Permanent PastureKochia (up to 15 cm and 8 leaf), Canada fleabane (bolting up to 20 cm), Velvetleaf (up to 3 leaf and 8 cm), Common waterhemp (up to 3 leaf and 8 cm), Cleavers (up to 10 cm), Lambs-quarters (prior to budding stage), Round-leaved mallow (up to 6 leaf), Annual sow-thistle (up to 3 cm), Wild chervil (up to budding stage and 40 cm), Wild parsnip, Wild caraway, Tall buttercup, Chickweed (up to 8 cm), Volunteer flax (up to 12 cm), Kochia suppression (up to 50 cm), Hemp-nettle suppression (up to 3 leaf and 8 cm), Storks-bill suppression (up to 8 leaf), Wild buckwheat suppression (up to 8 leaf)0.85 L/acre7 d
Permanent PastureKochia (up to 50 cm), Dandelion (rosette stage to beginning flowering, 35 plants/m² or less), Shepherd's purse (up to flowering stage), Wild buckwheat (vegetation stage up to 20 cm), Common barnyardgrass (vegetation stage up to 20 cm), plus all weeds listed at 2.1 L/ha rate1.66 L/acre7 d
Permanent PastureLambs-quarters0.85 L/acre7 d
Permanent PastureRound-leaved mallow0.85 L/acre7 d
Permanent PastureShepherd's purse1.66 L/acre7 d
Permanent PastureStorks-bill (suppression)0.85 L/acre7 d
Permanent PastureTall buttercup0.85 L/acre7 d
Permanent PastureVelvetleaf0.85 L/acre7 d
Permanent PastureVolunteer flax0.85 L/acre7 d
Permanent PastureWild buckwheat1.66 L/acre7 d
Permanent PastureWild buckwheat (suppression)0.85 L/acre7 d
Permanent PastureWild caraway0.85 L/acre7 d
Permanent PastureWild chervil0.85 L/acre7 d
Permanent PastureWild parsnip0.85 L/acre7 d
RangelandAnnual sow-thistle0.85 L/acre7 d
RangelandCanada fleabane0.85 L/acre7 d
RangelandChickweed0.85 L/acre7 d
RangelandCleavers0.85 L/acre7 d
RangelandCommon barnyardgrass1.66 L/acre7 d
RangelandCommon waterhemp0.85 L/acre7 d
RangelandDandelion1.66 L/acre7 d
RangelandHemp-nettle (suppression)0.85 L/acre7 d
RangelandKochia0.85 L/acre7 d
RangelandKochia1.66 L/acre7 d
RangelandKochia (suppression)0.85 L/acre7 d
RangelandKochia (up to 15 cm and 8 leaf), Canada fleabane (bolting up to 20 cm), Velvetleaf (up to 3 leaf and 8 cm), Common waterhemp (up to 3 leaf and 8 cm), Cleavers (up to 10 cm), Lambs-quarters (prior to budding stage), Round-leaved mallow (up to 6 leaf), Annual sow-thistle (up to 3 cm), Wild chervil (up to budding stage and 40 cm), Wild parsnip, Wild caraway, Tall buttercup, Chickweed (up to 8 cm), Volunteer flax (up to 12 cm), Kochia suppression (up to 50 cm), Hemp-nettle suppression (up to 3 leaf and 8 cm), Storks-bill suppression (up to 8 leaf), Wild buckwheat suppression (up to 8 leaf)0.85 L/acre7 d
RangelandKochia (up to 50 cm), Dandelion (rosette stage to beginning flowering, 35 plants/m² or less), Shepherd's purse (up to flowering stage), Wild buckwheat (vegetation stage up to 20 cm), Common barnyardgrass (vegetation stage up to 20 cm), plus all weeds listed at 2.1 L/ha rate1.66 L/acre7 d
RangelandLambs-quarters0.85 L/acre7 d
RangelandRound-leaved mallow0.85 L/acre7 d
RangelandShepherd's purse1.66 L/acre7 d
RangelandStorks-bill (suppression)0.85 L/acre7 d
RangelandTall buttercup0.85 L/acre7 d
RangelandVelvetleaf0.85 L/acre7 d
RangelandVolunteer flax0.85 L/acre7 d
RangelandWild buckwheat1.66 L/acre7 d
RangelandWild buckwheat (suppression)0.85 L/acre7 d
RangelandWild caraway0.85 L/acre7 d
RangelandWild chervil0.85 L/acre7 d
RangelandWild parsnip0.85 L/acre7 d

About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the Pest Management Regulatory Agency), the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.

Quick facts

Active ingredients
fluroxypyr 68.21 g/L
Mode of action: Synthetic auxin (HRAC 4, Pyridine carboxylic)
CAS 69377-81-7
florpyrauxifen 6.82 g/L
CAS 943832-81-3
Formulation
emulsifiable concentrate
Resistance group
Group 4
First registered
2025-06-18
Registration expiry
2030-12-31