How should the product Fitoverm KE be diluted for treating cucumbers against spider mites? - briefly
Mix Fitoverm KE at 5 ml per 10 L of water and spray onto cucumber foliage until runoff, repeating every 7–10 days while spider mites are present. Ensure complete coverage of both leaf surfaces and observe plants for any signs of phytotoxicity.
How should the product Fitoverm KE be diluted for treating cucumbers against spider mites? - in detail
Fitoverm KE is a water‑soluble miticide formulated for foliar application. For cucumber crops, the label specifies a dilution that delivers 0.5 ml of the concentrate per litre of water. This concentration provides the recommended field rate of 50 ml ha⁻¹, which is effective against Tetranychus urticae without causing phytotoxicity.
To prepare the spray solution:
- Measure 0.5 ml of Fitoverm KE with a calibrated syringe or pipette.
- Add the measured volume to a clean container.
- Fill the container with 1 l of clean, lukewarm water.
- Stir gently until the product is fully dissolved; avoid vigorous shaking that could introduce excessive foam.
- Transfer the solution to a calibrated sprayer, ensuring the tank capacity matches the prepared volume.
Application guidelines:
- Apply the mixture to the entire canopy, covering both upper and lower leaf surfaces where spider mites reside.
- Perform the first spray at the onset of the first mite detection, then repeat at 7‑day intervals if infestation persists.
- Do not exceed three applications per growing season to prevent resistance buildup.
- Observe a pre‑harvest interval of 3 days; harvest may proceed after this period.
Safety and handling:
- Wear protective gloves and eye protection while mixing.
- Store the concentrate in a cool, dry place, away from direct sunlight.
- Rinse equipment thoroughly after use to avoid residue accumulation.
Following these precise dilution and application steps ensures optimal control of spider mites on cucumber plants while maintaining crop safety and product efficacy.