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Onecide 15EC is a selective, systemic post-emergence herbicide containing Fluazifop-p-butyl (150 g/L), widely used in the Philippines to control grass weeds in crops like onions, tomatoes, citrus, pineapple, bananas, coffee, cacao, cotton, and soybeans. It is most effective when applied at the early leaf stage of weeds (2โ6 leaves). ๐ฑ Key Details About Onecide Herbicide Active Ingredient: Fluazifop-p-butyl 150 g/L Formulation: Emulsifiable Concentrate (15EC) Mode of Action: Systemic, absorbed by leaves and translocated to roots and shoots, inhibiting fatty acid synthesis in grasses. ๐ฏ Target Weeds & Crops Onions, Tomatoes, Soybeans: Jungle rice, goosegrass, Bermuda grass (apply at 2โ4 leaf stage). Citrus, Pineapple, Banana, Coffee, Cacao, Cotton: Itchgrass, crabgrass (apply at 3โ6 leaf stage). Pineapple: Apply at 6โ8 leaf stage of grasses; repeat if regrowth occurs. ๐ง Application Guidelines Dosage per 16L Knapsack Sprayer: 30โ50 ml depending on crop and weed stage. Surfactant Use: Add 30 ml non-ionic surfactant per liter of spray solution to enhance activity. Timing: Onion, tomato, soybean: Apply when weeds are at 2โ5 leaf stage, not beyond 30 days after sowing. Pineapple: Last application 14 days before harvest. Banana: Application allowed 1 day before harvest. Citrus: Last application 7 days before harvest. Uniformity: Maintain constant speed and pressure for even coverage. ๐ Comparison Table CropDosage (per 16L)Target WeedsTimingOnions, Tomatoes, Soybeans30โ50 mlJungle rice, goosegrass, Bermuda grass2โ4 leaf stageCitrus, Pineapple, Banana, Coffee, Cacao, Cotton30โ50 mlItchgrass, crabgrass3โ6 leaf stagePineapple30โ50 mlGrasses6โ8 leaf stage; repeat if regrowthBanana30โ50 mlGrasses1 day before harvestCitrus30โ50 mlGrasses7 days before harvest