Active Ingredients:
- Mesotrione: 240 g/kg (24.0%)
- Nicosulfuron: 80 g/kg (8.0%)
- Rimsulfuron: 20 g/kg (2.0%)
Mode of Action: Mezonir 340 WG combines three active substances:
- Mesotrione: Inhibits carotenoid biosynthesis, leading to chlorophyll destruction and bleaching of weed leaves.
- Nicosulfuron and Rimsulfuron: Belong to the sulfonylurea group and inhibit the enzyme acetolactate synthase (ALS), essential for the synthesis of branched-chain amino acids, resulting in cessation of cell division and plant growth.
Usage Recommendations:
- Crop: Maize (corn)
- Application Timing: Post-emergence, when maize plants are at the 2 to 8-leaf stage (BBCH 12-18)
- Weed Growth Stage: Apply when weeds are in the 1 to 8-leaf stage; annual weeds are most susceptible at the 2-3 leaf stage (dicotyledonous) and 3-5 leaf stage (monocotyledonous). For perennial weeds like Elymus repens (couch grass), apply when they have 5-7 leaves (15-25 cm height).
- Dosage: 0.5 kg/ha
Weed Control Spectrum: Mezonir 340 WG effectively controls a broad spectrum of annual and perennial weeds, including:
- Amaranthus retroflexus (redroot pigweed)
- Chenopodium album (common lambsquarters)
- Echinochloa crus-galli (barnyard grass)
- Galinsoga parviflora (gallant soldier)
- Solanum nigrum (black nightshade)
- Setaria spp. (foxtail)
- Polygonum convolvulus (wild buckwheat)
Precautions:
- Personal Protective Equipment (PPE): Wear appropriate protective clothing, gloves, and eye protection during handling and application.
- Environmental Safety: Avoid contamination of water bodies, as the product is toxic to aquatic organisms and may cause long-term adverse effects in the aquatic environment.
- Resistance Management: To prevent the development of herbicide-resistant weed populations, rotate with herbicides having different modes of action and integrate other weed management practices.
