PCP #4590 · FMC of Canada Limited · Insecticide
Group 1B organophosphate insecticide (malathion 500 g/L emulsifiable concentrate) for control of a wide range of insect and mite pests in fruits, vegetables, cereals, oilseeds, forage crops, ornamentals, mushrooms, outdoor foundations, empty grain storage, and stored grain.
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. PHI is the pre-harvest interval; REI is the restricted-entry interval. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI | REI |
|---|---|---|---|---|
| Apple | eye-spotted budmoth, codling moths, aphids, mealybugs, mites, plum curculios, psyllids, tent caterpillars, red-banded leafroller | 0.405–1.01 L/acre | 3 d | 12 d |
| Apricot | aphids, codling moths, orange tortrix, scale insects | 0.809–1.01 L/acre | 7 d | 12 d |
| Asparagus | asparagus beetle | 1.11 L/acre | 1 d | 12 d |
| Barley | stored grain insects | – | – | – |
| Bean | aphids, leafhoppers, Mexican bean beetles, spider mites | 0.607–1.11 L/acre | 1 d | 24 d |
| Beet | aphids, leafhoppers, leaf miners, spider mites | 0.445–1.11 L/acre | 7 d | 24 d |
| Blackberry | aphids, leafhoppers, rose chafers, spider mites, thrips | 0.506–0.809 L/acre | 7 d | 12 d |
| Broccoli | aphids, cabbage loopers, imported cabbageworms | 0.445–1.11 L/acre | 3 d | 48 d |
| Broccoli | aphids, cabbage loopers, imported cabbageworms | 0.445–1.11 L/acre | 7 d | 24 d |
| Canary Seed |
| aphids |
| 0.567 L/acre |
| 14 d |
| 12 d |
| Carrot | aphids, six-spotted leafhoppers | 0.445–1.11 L/acre | 7 d | 24 d |
| Celery | aphids, six-spotted leafhoppers, spider mites | 0.911 L/acre | 7 d | 24 d |
| Clover | aphids, grasshoppers, leafhoppers, spider mites | 0.911–1.11 L/acre | 7 d | 12 d |
| Corn | earworms, European corn borers | 0.911–1.11 L/acre | 5 d | 12 d |
| Cranberry | blackheaded fireworms, cranberry fruitworms, leafhoppers, meadow spittle bugs (nymphs) | 0.506–1.11 L/acre | 3 d | 12 d |
| Eggplant | aphids, spider mites | 0.445–1.11 L/acre | 3 d | 12 d |
| Empty Grain Storage | Confused flour beetles, flat grain beetles, granary weevils, grain mites, Indian meal moths, lesser grain borers, red flour beetles, rice weevils, rusty and saw-toothed grain beetles | 4–5 L/100m2 | – | – |
| Endive | aphids, spider mites | 0.445–1.11 L/acre | 7 d | 24 d |
| Flax | grasshoppers | 0.445–0.708 L/acre | 7 d | 12 d |
| Garlic | aphids, thrips | 0.445–1.11 L/acre | 3 d | 12 d |
| Grape | aphids, leafhoppers, mealy-bugs, scale crawlers, spider mites | 0.911–1.42 L/acre | 3 d | 12 d |
| Grape | grape phylloxera | 200–400 mL/100L | – | – |
| Horseradish | aphids | 0.445–1.11 L/acre | 7 d | 24 d |
| Leek | aphids, thrips | 0.911–1.11 L/acre | 3 d | 12 d |
| Lentil | grasshopper | 0.688 L/acre | 14 d | 24 d |
| Lettuce | aphids, cabbage loopers, spider mites, six-spotted leafhoppers | 0.607–1.11 L/acre | 14 d | 24 d |
| Lettuce | aphids, cabbage loopers, spider mites, six-spotted leafhoppers | 0.607–1.11 L/acre | 3 d | 24 d |
| Lettuce | aphids, greenhouse white flies, spider mites, thrips | 0.607–1.11 L/acre | 21 d | 12 d |
| Lettuce | aphids, greenhouse white flies, spider mites, thrips | 0.607–1.11 L/acre | 7 d | 12 d |
| Melon | aphids, cucumber beetles, leafhoppers, leaf miners, spider mites | 0.911–1.11 L/acre | 3 d | 24 d |
| Mushroom | mites, phorid flies, scirid flies | 25–40 mL/100m2 | 2 d | 12 d |
| Mustard | flea beetles, grasshoppers, diamondback moth (larvae) | 0.445–0.708 L/acre | 7 d | 12 d |
| Onion | thrips | 0.911 L/acre | 3 d | 12 d |
| Ornamentals | aphids, bagworms, European pine shot moths, lace bugs, leafhoppers, leaf miners, mealybugs, plant bugs, sawflies, scale insects, spider mites, tent caterpillars, thrips, pine needle scale | 0.607–1.11 L/acre | – | 72 d |
| Ornamentals | aphids, greenhouse whiteflies, mealybugs, spider mites, thrips | 10 mL/100m3 | – | 48 d |
| Outside Foundations | Ants, clover mites, grasshoppers, millipedes, spiders, sowbugs | 60 mL/L | – | – |
| Parsnip | Aphids | 0.445–1.11 L/acre | 7 d | 24 d |
| Pea | leafhoppers, pea aphids, pea moths, pea weevils, spider mites | 0.911 L/acre | 3 d | 24 d |
| Peach | mites, oriental fruit moths, plum curculios | 0.405–0.708 L/acre | 7 d | 24 d |
| Pear | aphids, codling moths, leafrollers, mealybugs, pear psylla (suppression only), pear slugs, plum curculios, scale crawlers, spider mites, tent caterpillars | 0.405–1.01 L/acre | 3 d | 12 d |
| Pepper | aphids, leafhoppers, pepper weevils, maggots | 0.405–1.01 L/acre | 3 d | 12 d |
| Perennial Weed Control | Alfalfa Blotch Leaf Miner | 1.11 L/acre | 7 d | 12 d |
| Perennial Weed Control | Alfalfa weevil larvae, aphids, grasshoppers, leafhoppers, lygus bugs, spittlebugs (adult), spider mites | 0.911–1.01 L/acre | 7 d | 12 d |
| Perennial Weed Control | aphids | 0.911–1.11 L/acre | 7 d | 24 d |
| Plum | mealy plum aphids, plum curculios, spider mites | 0.405–0.708 L/acre | 3 d | 24 d |
| Potato | aphids, Colorado potato beetles, leafhoppers, spider mites | 0.607–0.911 L/acre | 3 d | 12 d |
| Radish | aphids, flea beetles, leafhoppers | 0.445–1.11 L/acre | 7 d | 12 d |
| Salsify | aphids | 0.445–1.11 L/acre | 7 d | 12 d |
| Snapdragon | aphids, greenhouse whiteflies, mealybugs, spider mites, thrips | 15 mL/100m2 | – | 48 d |
| Spinach | aphids, leaf miners | 1.11–1.42 L/acre | 7 d | 24 d |
| Squash | aphids, mites, leafhoppers, cucumber beetles, leafminers | 0.809 L/acre | 3 d | 24 d |
| Strawberry | aphids, leafhoppers, strawberry leafrollers | 0.607–0.89 L/acre | 3 d | 12 d |
| Strawberry | strawberry root weevils (adults) | 1.11–1.72 L/acre | 3 d | 12 d |
| Sugar Beet | flea beetles | 0.445 L/acre | – | 12 d |
| Sweet Clover | sweet clover weevils | 0.607–1.01 L/acre | – | 12 d |
| Tobacco | aphids, leafhoppers, tobacco hornworms | 0.445–0.809 L/acre | 7 d | 12 d |
| Tomato | aphids, cucumber beetles, leafhoppers, leaf miners, spider mites, tomato russet mites | 0.607–0.809 L/acre | 3 d | 12 d |
| Turnip | aphids, cabbage loopers, imported cabbageworms, spider mites | 0.445–1.11 L/acre | 7 d | 24 d |
| Watercress | Aphids | 0.911–1.11 L/acre | 7 d | 24 d |
| Watercress | Aphids | 0.911–1.11 L/acre | 20 d | 24 d |
| Wheat | armyworms, English grain aphids, greenbugs | 0.445–1.11 L/acre | 7 d | 12 d |
| Wheat | cereal leaf beetle | 0.89 L/acre | 7 d | 12 d |
| Wheat | winter grain mites | 0.445–1.01 L/acre | 7 d | 12 d |
| Wild Rice | wild riceworm | 0.911 L/acre | 10 d | 12 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.
