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Trade Name: Flazasulfuron
1-(4,6-Dimethoxypyrimidin-2-yl) -3-(3-trifluoromethyl-2-pyridylsulfonyl) urea;
N-(((4,6-Dimethoxy-2-pyrimidinyl) amino) carbonyl) -3-(trifluoromethyl) -2-pyridinesulfonamide
Physical and Chemical Properties:
Pure product is white odorless crystalline powder. Solubility: Water 16.1mg/ L(240, PH 7) , acetic acid 6.7g/L(250) , acetone 12g/kg(200) , toluene 0.6g/kg(200)
The rabbit skin stimulation, moderate stimulation of rabbit eyes. On the Dolphins is a skin allergy. Ames test. Rec test, chromosome aberration test were negative.
Uses and Notes:
1. Weed Characteristics: it is absorption within the conduction type herbicides for weed shoot and root absorption, and then transfer in plants, plants by inhibiting the biosynthesis of amino acid side chains, resulting in sensitive plant growth stagnation, stems and leaves fade green, gradually withered. Generally within 4-5 days, new leaf chlorosis, and then extended to the whole plant, 20-30 day total weed death.
2. For Turf: apply to warm-season turf (Zoysia and Bermudagrass class category) , on the turf safe.
3. Dosage: 8-16 mu g /mu
4. Time can be resistant turfgrass: Postemergence Turfgrass early (10-15 days after emergence, then the dosage of lower dosage of 8 g / acre) or after mowing.
5. Weeding and weed species:the broad spectrum herbicide products that can effectively control the majority of 3-4 leaf stage of grass, sedge and broadleaf weeds of barnyard grass, Setaria viridis, with Mount broken Micha grass, green amaranth , Poa annua, Capsella, Baogai grass, chickweed, vetch control effect in particular. In particular, Cyperus rotundus, water centipedes and other perennial sedge weeds have excellent results.
6. Use of Technology: Use it after the buds of weeds, both soil or leaves is fine. But the weeding effect on early post shoot better. Especially when weeds have 3-4 leaf, the application is the best. The the drug amount is 8-16g per mu, to water is 40-50kg, spray and stem on the weeds.
7. Cool season turf (Agrostis, Poa, Festuca arundinacea, etc. ) Do not use sensitive. Control in such perennial sedge Cyperus rotundus water centipede, Cyperus rotundus and other effects of combined use of astonishingly great Shakespeare. Lower efficacy than 5 leaf weeds.
8. Duration of the efficacy in the soil about 40-100 days, that can be closed to the basic lawn soil 2-3 months is not long weeds.
9. The efficacy and safety in different place is different, should test first and then promote. Dosage of pesticide to be accurate, and average spraying.