Landscape Management, April 2017
profit centers LANDSCAPEMANAGEMENT NET April 2017 30 illustrations DaviD Preiss turf ornamental care How to ID weeds T heres not a universal treatment that works for all types of weeds Its vital to identify what weeds youre dealing with before figuring out the best course of action The two main types are broadleaf and grass like weeds These two are fairly easy to identify from the other but it can be more difficult to narrow it down from there As the name suggests broadleaf weeds have wider leaf blades than what youll find with grasslike weeds They have distinct leaf shapes and each leaf normally has a main vein down the middle Also broadleaf weeds are more likely to have colorful flowers One way to start identifying which type of broadleaf weed youre dealing with is by looking at the leaves to see if they alternate or are opposite of each other Grass like weeds will have narrower leaves with veins that run parallel to each other The best way to identify which of these you have is by looking at things like the seed heads growth habits and vegetative features You can narrow down the type of weed some by your region but youll need to look at the weeds characteristics to accurately identify it To see which weed youre dealing with start by following the instructions here and then enter your state and results into the University of Wisconsin Madisons weed identification tool at weedid wisc edu weedid php If youre unsure about a identification category or question its better to leave it blank than to guess sources university of Wisconsin extension Penn state college of agricultural sciences PBi gorDon corP which type if the leaves are wide with a vein that runs down the middle its broadleaf Weeds with narrow ribbonlike leaves with parallel veins are grass like broadleaf look at its growth form leaf characteristics i e if its simple or compound leaf margin and spines stem characteristics leaf arrangement right and flowers grass like Note its leaf characteristics simple or compound collar structure growth form plant hairs ligules and spines prickles if present Also check the grass seedhead types right Broadleaf alternate Grass like opposite leaf arranGement open panicle compact spike Divided spike type Grass seeDheaDs
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