Korvetto®
Herbicide
Korvetto® is a selective post-emergence spring applied herbicide for use on winter oilseed rape.
Korvetto herbicide provides superior control of a wide range of annual broad-leaved weeds, including cleavers, mayweed, and thistles. Korvetto has good activity on a broad range of other problem weeds including cranesbill and poppy. Korvetto contains Arylex™ active in formulation with clopyralid.
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Benefits
Robust Weed Control
Reliably controls competitive weed species including Cleavers, Mayweed and Thistles helping to improve yields., speeding up harvest and preventing seeds returning to the soil.
No Following Crop Restrictions
In a normal crop rotation there are no following crop restrictions (please, check the label for the further information).
Excellent Crop Safety
Both Active Ingredients are safe to the crop when used according to the label recommendations and can be applied in a range of different temperatures.
Ease of Use
1 l/ha dose rate meaning a pack treats 5 ha.
Outstanding weed control
We have used Korvetto on all our oilseed rape for the last two years in a programme with Kerb Flo 500. Broadleaf weed control has been outstanding, including on Cleavers and Bur Chervil.
David White, Manor Farm.
About Korvetto
Best Use Advice
- Applications can only be made from the 1st March in the year of harvest.
- Treatments should be made prior to crop canopy closure and before flower buds are visible from above the crop canopy (GS50).
- Korvetto can be used from 8-25° C, in humid or dry conditions. Avoid applications in severe drought conditions or when frost is expected.
- Take extreme care to avoid drift when applying near sensitive crops e.g. legumes, potatoes and carrots.
- Chop and incorporate all treated plant remains in the early autumn (or as soon as possible after harvest) to release any residues into the soil, where they are more quickly broken down.
Crops
Oilseed Rape
Weeds controlled
Weed species | Maximum growth stage controlled | Susceptibility |
Cleavers | Up to 15 cm high/across | S |
Common fumitory | Up to 10 cm high/across | S |
Common poppy | Up to 10 cm high/across | MS |
Corn chamomile | Up to 10 cm high/across | S |
Cranesbill, cut-leaved | Up to 5 cm high/across | S |
Cranesbill, small-flowered | Up to 5 cm high/across | S |
Cranesbill, dove’s-foot | Up to 5 cm high/across | MS |
Creeping thistle | Up to 10 cm high/across | S |
Flixweed | Up to 5 cm high/across | MR |
Groundsel | Up to 5 cm high/across | MS |
Mayweed, scented | Up to 7.5 cm high/across | S |
Mayweed, scentless | Up to 7.5 cm high/across | S |
Red deadnettle | Up to 15 cm high/across | S |
Label Weed Spectrum Key: S – Susceptible, MS - Moderately Susceptible, MR - Moderately Resistant
Technical Specifications
Product Registration Number - MAPP No. 19111
Active Ingredients - 120g/l clopyralid + 5g/l halauxifen-methyl (ArylexTM)
Pack Size - 5 L
Formulation - EC
Maximum Individual Dose – 1 l/ha
Maximum Total Dose - 1 l/ha
Application Timing - 1st March- 1st June (GS30-50)
Spray Quality - Medium
Buffer Zone - 14m (within 1 m of the top of a ditch which is dry at the time of application)
Oilseed rape update with Corteva's Abi Morton
#CortevaTalks with Area Manager, Abi Morton, on the health and progress of an oilseed rape crop in North Lincolnshire.
Why early spring is an important time to monitor the emerging weed burden in your oilseed rape field
As spring emerges so do the broad-leaved weeds that no oilseed rape grower wants to see poking above their crop. In this short video, Clare, Stapley, Corteva Agriscience OSR herbicides Category Marketing Manager.
‘‘®™Trademarks of Corteva Agriscience and its affiliated companies. Use plant protection products safely. Always read the label and product information before use.