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Malathion 500
PCP #5821 · Interprovincial Cooperative Limited · Insecticide
Group 1BRegistration expired
Group 1B organophosphate insecticide for control of aphids, beetles, caterpillars, grasshoppers, mites and other insects on field crops, vegetables, forages, ornamentals and empty grain bins.
Registered uses (34)
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI |
|---|---|---|---|
| Asparagus | Asparagus Beetle | 1.21 L/acre | 1 d |
| Bean | Mexican Bean Beetle, Aphids, Mites, Leaf Hopper, Flea Beetles | 0.567–1.21 L/acre | 1 d |
| Beet | Mexican Bean Beetle, Aphids, Mites, Leaf Hopper, Flea Beetles | 0.567–1.21 L/acre | 7 d |
| Broccoli | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 3 d |
| Brussels Sprouts | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 7 d |
| Cabbage | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 7 d |
| Canola | Diamond Back Moth (Larvae) | 0.223–0.344 L/acre | 7 d |
| Canola | Flea Beetles | 0.445 L/acre | 7 d |
| Canola | Grasshoppers | 0.445–0.688 L/acre | 7 d |
| Carrot | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 1 d |
| Cereals | Cereal Leaf Beetle | 0.223–0.445 L/acre | 7 d |
| Cereals | English Grain Aphid, Green Bug, Winter Grain Mite, Armyworm | 0.607–0.809 L/acre | 7 d |
| Cereals | Grasshoppers | 0.688 L/acre | 7 d |
| Cucumber | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 1 d |
| Eggplant | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 3 d |
| Flax | Grasshoppers | 0.445–0.688 L/acre | 7 d |
| Grain Storage | Confused Flour Beetle, Grain Mite, Granary Weevil, Rusty Grain Beetle, Sawtoothed Grain Beetle, Indian Meal Moth, Lesser Grain Borer | — | — |
| Grass | Cereal Leaf Beetle | 0.223–0.445 L/acre | 7 d |
| Grass | Grasshoppers | 0.688 L/acre | 7 d |
| Legume | Cereal Leaf Beetle | 0.223–0.445 L/acre | 7 d |
| Legume | Grasshoppers | 0.688 L/acre | 7 d |
| Lentils | Grasshoppers | 0.688 L/acre | 14 d |
| Lettuce | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 14 d |
| Oats | English Grain Aphid, Green Bug, Winter Grain Mite, Armyworm | 0.607–0.809 L/acre | 7 d |
| Ornamentals | Aphids, Bagworms, Shoot Moth, Lace Bugs, Leaf Hoppers, Leaf Miners, Mealy Bugs, Scales (Crawlers), Spider Mites, Tarnished Plant Bug, Tent Caterpillar, Thrips | 0.567–1.21 L/acre | — |
| Perennial Weed Control | Alfalfa Weevil, Grasshoppers, Lygus Bug, Leaf Hopper, Aphids, Spittle Bugs | 0.809–1.21 L/acre | 7 d |
| Potato | Aphids, Leaf Hopper, Leaf Miners, Mites, Cucumber Beetle, Colorado Potato Beetle | 0.567–0.809 L/acre | 3 d |
| Radish | Mexican Bean Beetle, Aphids, Mites, Leaf Hopper, Flea Beetles | 0.567–1.21 L/acre | 7 d |
| Rye | English Grain Aphid, Green Bug, Winter Grain Mite, Armyworm | 0.607–0.809 L/acre | 7 d |
| Squash | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 3 d |
| Sweet Clover | Sweet Clover Weevil | 0.567–1.01 L/acre | 7 d |
| Tomato | Aphids, Leaf Hopper, Leaf Miners, Mites, Cucumber Beetle, Colorado Potato Beetle | 0.567–0.809 L/acre | 3 d |
| Turnip | Aphids, Cabbage Looper, Imported Cabbage Worm, Spider Mites, Leaf Hopper, Cucumber Beetle, Flea Beetles | 0.567–1.21 L/acre | 1 d |
| Wheat | English Grain Aphid, Green Bug, Winter Grain Mite, Armyworm | 0.607–0.809 L/acre | 7 d |
About this content. This page presents the official PMRA label as published by Health Canada's 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.