Product information
Challenge 600 SC, 100 ml herbicide for weed control in the pre-emergent and post-emergent periods. It provides quality, reliable control for both annual dicotyledonous weeds and annual monocotyledonous weeds found in crops such as peas, chickpeas, sunflowers, and a wide selection of other crops.
Benefits:
- Economical and efficient against annual wheat and broadleaf weeds in leguminous crops and sunflower
- Persistence and effectiveness between 1.5 and 2.5 months
- Wide range of applications
- Controls monocotyledonous and dicotyledonous weeds;
- Long-lasting protection and it increases the total yield;
- Does not cause the appearance of resistance and it doesn't have any rotation restrictions.
Action mode:
- The active substance is absorbed through the coleoptile, hypocotyl, cotyledons, and leaves, in already sprouted weeds;
- The effectiveness of the product lasts between 1.5 and 2.5 months, depending on the climatic conditions and the type of soil;
- The product does not require rotation restrictions, autumn cereals and rapeseed can safely be grown;
- The active substance, aclonifen, acts on weeds by inhibiting two enzymes involved in the synthesis of chlorophyll and carotenoids.
Methods of application:
- Shake vigorously before using and use half of the water for the water tank
- Keep the mixer running, and add the required amount of medicine and refill with water
- The soil surface needs to be properly wet before being sprayed.
- Small doses are used in light soils and large ones in heavy clayey soils.
Quarantine period:
- Carrots (for seed production) and parsnips (including for seed production) - 70 days;
- Onions (direct sowing), onions (shallots), celery for heads, celery for seed production, fennel (for seed production), Jerusalem apple artichoke), aromatic and medicinal herbs, spices and aromatic plants for seed production - 90 days;
- For other crops – not required.
Culture | Dosage (L / ha) | Application time | Preharvest Interval (PHI) (days) |
Spring peas, fresh peas peas without pods | 4 L/ha | After sowing until BBCH 08 (until the appearance of cotyledons on the soil surface (visible hypocotyl arch)) | - |
Chickpeas | 4 L/ha | After sowing until BBCH 08 (until the appearance of cotyledons on the soil surface (visible hypocotyl arch)) | - |
Sunflower | 4 L/ha | After sowing until BBCH 08 (until the appearance of cotyledons) | - |
Potato | 4 L/ha | After sowing until BBCH 08 (until the appearance of cotyledons) | - |
Onion bulbs | 1 treatment of 2.5 L / ha or 2 treatments: the first 1.5 L / ha and the second 1 L / ha | After sowing until BBCH 15 (until the clearly visible appearance of the 5th leaf) | 90 days |
Shallot | 1 treatment of 2.5 L / ha or 2 treatments: the first 1.5 L / ha and the second 1 L / ha | After sowing until BBCH 15 (until the clearly visible appearance of the 5th leaf) | 90 days |
Perennial onions (chives) | 2,5 L/ha | Preemergence | - |
Onion seeds | 1 treatment of 2.5 L / ha or 2 treatments: the first 1.5 L / ha and the second 1 L / ha | After sowing until BBCH 15 (until the clearly visible appearance of the 5th leaf) | 90 days |
Coriander seeds | 2,5 L/ha | Preemergent | - |
Autumn berries | 3 L/ha | After sowing until BBCH 08 (until the appearance of the stem on the soil surface (the hypocotyl arch is visible)) | - |
Spring beans | 4 L/ha | After sowing until BBCH 08 (until the stem appears on the soil surface (the hypocotyl arch is visible) | - |
Broad bean | 4 L/ha | After sowing until BBCH 08 (until the stem appears on the soil surface (the hypocotyl arch is visible) | - |
Fennel | 2,5 L/ha | In pre-emergence, immediately after sowing | 90 days |
Fenicul Seeds | 2,5 L/ha | Preemergent | - |
English marigold | 2,5 L/ha | Preemergent | 90 days |
Gentian Flower | 2,5 L/ha | Postemergent | 70 days |
Hasmatuchi Seeds | 2,5 L/ha | Preemergent | - |
Lovage | 2,5 L/ha | After sowing, pre-emergence | 90 days |
Dry lentils | 4 L/ha | After sowing until BBCH 08, pre-emergent | - |
Lucerne | 2 L/ha | After mowing | - |
Lucerne Seeds | 0,3 L/ha | BBCH 13-15 (for young culture) | - |
Lupine | 4 L/ha | After sowing to BBCH, pre-emergent | - |
Dill | 2,5 L/ha | After sowing until sunrise (preemergent) | 90 days |
Autumn peas | 3 L/ha | After sowing until BBCH 08 (until the stem appears on the soil surface (the hypocotyl arch is visible) | - |
Dry autumn peas, dry chickpeas | 3 L/ha | After sowing until BBCH 08 (until the stem appears on the soil surface (the hypocotyl arch is visible) | - |
Sweet pea and Wild pea | 3 L/ha | Preemergent | - |
Carrot | 1 treatment of 2.5 L / ha or 2 treatments: the first 1.5 L / ha and the second 1 L / ha | After sowing until BBCH 03 (pre-emergence) | 70 days |
Chamomile | 2,5 L/ha | Preemergent | 90 days |
Leek Seeds | 4 L/ha | Preemergent or postemergent (after the winter out when the plants resume their activity | - |
Seed leaf celery | 2,5 L/ha | BBCH 14-18 (from 4 to 8 completely unfolded leaves) | 90 days |
Leek Seeds | 4 L/ha | Pre-emergent or post-emergent (after winter when the plants resume their activity) | - |
Leaf celery | 2,5 L/ha | BBCH 14-18 (from up to 8 completely unfolded leaves) | 90 days |
Root celery | 2,5 L/ha | BBCH 14-15 (from 4 to 5 completely unfolded leaves) | - |
Jerusalem artichoke | 2,5 L/ha | From sowing to BBCH 08, pre-emergent | 90 days |
Tabac | 2,5 L/ha | Preemergent | - |
Ail | 4 L/ha | From sowing to BBCH 03, pre-emergent | - |
Compatibility:
- Compatible with most of the crop products available on the market.
- There is generally no restriction but it is recommended to perform a test before mixing with other substances.
Recommendations:
- Wear protective gloves and protective clothing (face, eyes).
- Application dose: 120-150 ml/ha.
- Do not apply the treatment on very hot days, with strong sunlight.
- Only apply in the mornings, after the dew on the plants dries out, or in the evening.
- Do not treat if negative temperatures are expected at night.
- Avoid spraying onto adjacent crops.
- Do not spray when the wind speed exceeds 5 m / s.
- Number of treatments in all cultures: 1 treatment per year / culture. Water volume for all crops: 200-400 L / ha.
Please be sure to read, understand, and follow the full Conditions, Disclaimer, and Directions for Use. Use the appropriate personal safety equipment if required and when needed.
Additional Information
Manufacturer | Bayer |
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Packaging | 100 ml |
Formulations | SC-concentrated suspension |
Active Substances | Aclonifen |
Active Substance Concentration | 600 g/l |
Against | Annual bluegrass, Annual mercury, Barnyard grass, Bird's-eye speedwell, Black bindweed, Black-grass, Common poppy, Common windgrass, Corn spurry, Fat hen, Field pansy, Field sow-thistle, Goosegrass, Henbit dead-nettle, Jimsonweed, Knotgrass, Large crabgrass, Redroot pigweed, Scarlet pimpernel, Shepherd's purse, Spear saltbush, Spotted lady's thumb, Wild mustard, Wild radish |
Crops | Beans, Broad bean, Calendula, Carrot, Celery, Chamomile, Chickpeas, Coriander, Dill, Garlic, Lovage, Lucerne, Lupine, Onion, Parsley, Parsnip, Peas , Potato |
Dosage | 1.5-10 l/ha |
Timing of application | Preemergence |
Types of weeds | annual dicotyledonous, annual monocotyledonous |
Application Type | Low pressure spray |
Precautionary Statements
P273 | Avoid release to the environment |
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P280 | Wear protective gloves/protective clothing/eye protection/face protection |
P308+P313 | IF exposed or concerned: Get medical advice/attention |
P391 | Collect spillage |
P501 | Dispose of contents/container to … |
EUH208 | Contains <name of sensitising substance>. May produce an allergic reaction |
EUH401 | To avoid risks to human health and the environment, comply with the instructions for use |
H351 | Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routs of exposure cause the hazard> |
H410 | Very toxic to aquatic life with long lasting effects. |