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Knotweed Control for Homeowners: 4 Tips for Success!

This video provides homeowners and novices with a highly effective technique for killing knotweed in 4 steps. 00:23: Most advice geared toward those treating large infestations. 00:50: Most people are dealing with a small plot of knotweed - about 15 x 15 feet or 4 x 4 meters. 01:33: Damage to dwellings and foundations is "extremely rare." 01:48: Knotweed damage is primarily to ecosystems, our yards, our gardens. 03:27: Different application methods include foliar and stem injection. These methods have shortcomings for homeowners and property managers. 05:32: In the past Green Shoots recommended a cut stem technique for small patches. Results aren't as good as they should be. 06:12: One alternative to spraying, injection, and cut stem is to use direct application techniques such as wiping. 06:33: direct application techniques such as herbicide wiping works especially well with systemic herbicides such as glyphosate. 07:21: Wiping foam herbicide on knotweed stems helps the user deal with tall knotweed stems. 08:43: Our trials on wiping knotweed stems with foam herbicide. 09:13: We used our small foam herbicide dispenser in our testing. This dispenser contains 140 milliliters or a little less than 5 oz. 09:58: Our foam wiping method of applying to the knotweed stems worked really well! Off-target harm was minimal. 10:10: 4 Steps to to a direct application such as wiping to knotweed stems 10:17: First, knock down the dead knotweed stems if you didn't do this already. 10:38: In terms of timing, do your treatments in the fall after the knotweed has flowered. 11:08: Second, mix the herbicide solution in the small foam dispenser. Mix 70ml of herbicide, 65 ml of water, and 5 ml of Blue Foaming Agent. 11:25: Third, plan your order of treatment of the knotweed - where you will start applying and where you will end. 12:01: Fourth, you can do the direct application in different ways - by applying the foam herbicide directly onto the stem with the nozzle of the dispenser. 13:13: A variation on this technique is to use a rubber glove to wipe the foam on the knotweed stem. 13:36: Still another variation is the drizzle technique. This works well for small, low-lying knotweed plants - the kind that grow in the year following a good treatment. 14:15: I estimate that the direct application of foam including foam wiping uses about half as much herbicide as stem injection.