Sempra Herbicide There’s an easier way to remove nutgrass and mullumbimby couch in turf. Weeds controlled Nutgrass Mullumbimby Couch Turf Species Sempra is safe to apply on a range of turf species if applied as per label direction When To Spray Nutgrass: apply when new leaf growth is greater than 5cm Mullumbimby Couch: apply when new leaf growth is greater than 2cm Apply when weeds are actively growing Apply follow -up treatments as required if sufficient new growth warrants treatment Weed Control Symptoms Weed foliage gradually turn yellow until total desiccation occurs. Initial symptoms appear in 7 - 10 days with full weed control effects appearing over 4 to 6 weeks. Sempra Application Rate Boomspray: Sempra 65 - 130 g / ha plus 200mL / 100L water of a 600g / L non-ionic surfactant Spot Spraying: Sempra 1.3 g/ 100 square metres plus 20mL / 10L water of a 600g / L non-ionic surfactant N.B. An adjuvant must be used when applying Sempra How To Spray - Boomspray Rate: 65 - 130 g / ha Water Volume: apply in at least 80L / ha minimum water volume Nozzle Type: flat fan nozzles How To Spray - Spot Spraying Equipment: knapsack spray or handgun Rate 1.3 g/ 100 square metres Water Volume: mix rate in a volume of water eg. 10 litres that will treat 100 square metres Mixing Part fill spray tank Add Sempra gradually while under agitation Add the surfactant near the end of the spray fill process to avoid excessive foaming Use mixed spray solution within one day Critical Comments To maximise the performance of spray application. Apply higher rates for dense weed conditions If an adjuvant is not used poor weed control will occur Do not apply after frosts have occurred Irrigation or rainfall within 2 hours of application will reduce control Do not mow for at least 2 days after treatment to ensure optimum control Sempra may damage or delay establishment of newly seeded, sodded or sprigged turf that is not well established. Sempra may damage or delay recovery of turf weakened by weather conditions or by physical damage such as scarification, coring, aeration or top dressing. Withholding Period Do not apply clippings from treated areas for mulch around fruit trees or vegetables Do not feed treated grass clippings to poultry or other livestock Do not allow grazing of treated turf. Sempra Compatibility Sempra is compatible with the following herbicides commonly used in turf: Kamba M or other dicamba/MCPA formulations; Bromicide MA or other bromoxynil/MCPA formulations: Amicide 625, Amicide 625 Low Odour or other amine formulations of 2,4-D; Roundup, Roundup CT From The Garden Superstore