Finalsan Herbicide Product Overview Product Type Herbicide Product Name Finalsan® MAPP No. 13102 Active Substances Fatty acids: pelargonic acid Formulation Emulsifiable concentrate Areas of Use Amenity grassland, amenity vegetation, managed amenity turf, natural surfaces not intended to bear vegetation and various fruit and vegetable crops Amateur/Professional Professional Application Window Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Weeds Controlled Broad-leaved and grass weeds including: Finalsan® is a contact herbicide for post-emergent application and contains the active substance pelargonic acid, a naturally occurring fatty acid. It is a fast acting contact herbicide which delivers rapid knockdown of young and actively growing weeds as well as mosses and algae. Treated plants will begin to collapse within hours of application with complete burndown of top growth often achieved within 24 hours. Finalsan® is a contact herbicide with no residual activity. This makes it particularly useful for use as a directed spray for controlling annual weeds in places where systemic herbicides can cause unwanted damage. For control of mosses it is important to achieve thorough coverage and to repeat applications if required. This 10L bottle is sufficient to treat 588m2. It can be applied up to eight times per year at a rate of 17ml/m2. Target Species Finalsan® gives post-emergence control of a wide range of broad-leaved and grass weeds including the following: Grasses Annual Herbs Perennial Herbs Annual meadow-grass (Poa annua) Red dead nettle (Lamium spp)Chickweed (Stellaria media)Knotgrasses (Polygonum spp) Dandelion (Taraxacum officinale)Greater plantain (Plantago major)Creeping thistle (Cirsium arvense) Established broadleaved perennial herbs may require repeat applications as Finalsan® does not work systemically within the plant and therefore may not prevent re-growth. Finalsan® also controls mosses and algae. Instructions For Use Where to use For use on Amenity grassland - Areas of semi-natural or planted grassland subject to minimal or non-intensive management. Amenity vegetation - Any areas of semi natural or ornamental vegetation, including trees (see product label for susceptible non-target plants). Managed amenity turf - Areas of frequently mown intensively managed turf, including fields used for turf production. Natural surfaces not intended to bear vegetation - Areas of soil or natural outcroppings of rock that are not intended to bear vegetation. When to use Finalsan® can be used between 1st May and 1st September and is most effective when applied to young weeds during periods when temperatures exceed 15°C How to use Crop Maximum Treatments Pack Coverage Application Method Application Rates Water Volume Amenity grassland & managed amenity turf for moss control 1 588m2 Watering can (for control of mosses in decorative lawns and turf) 17ml/m2 1l/m2 Amenity vegetation 4 588m2 Conventional knapsack sprayer 17ml/m2 100ml/m2 Natural surfaces not intended to bear vegetation (weed control) 8 588m2 Conventional knapsack sprayer 17ml/m2 100ml/m2 Natural surfaces not intended to bear vegetation (moss control) 4 588m2 Conventional knapsack sprayer 1 ml/m2 100ml/m2 Add half the required water to the spray tank (in hard water areas use rain or soft water) Add the required amount of Finalsan® to the spray tank and agitate thoroughly Top-up the spray tank with water to the required level Use immediately being sure to thoroughly cover target weeds, moss or algae Additional Information Do not direct spray or allow spray drift onto cultivated plants. Use a spray shield to avoid contact with leaves or fruits of cultivated crops. Do not apply until weeds have established and ground cover has reached approximately 25%. The effect can be lessened at temperatures below 15°C. Rainfall within less than 12 hours after treatment may impair the effect of the product. Avoid applying within 5m of the field boundary to reduce effects on non-target insects or other arthropods. Repeated application may be required as Finalsan® does not have a long-term effect. Can be used under shrubs and trees because Finalsan® does not harm the woody parts of plants. Some transient scorch or bleaching and reduction in the growth of treated areas of turf is likely following applications to grass or turf. Do not apply to grass suffering from drought or during freezing conditions. Do not cut grass for one day after treatment. Active Substances Pelargonic acid Bio-Chemical Mode of Action: Pelargonic acid belongs to the group of herbicides with an unknown mode of action. It is thought that pelargonic acid penetrates the waxy leaf cuticle destroying the cell membranes. This results in rapid desiccation of the cell contents. Mobility: Pelargonic acid is a contact herbicide which means that only plant tissues that come into contact with the herbicide will be affected. Application timing: Pelargonic acid is best applied when temperatures are greater than 15°C and weed cover is at least 25%. Resistance: The risk of resistance development is considered to be low.
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