Shredder 2,4-D LV4 Weed Killer Herbicide Size:2.5 Gallon Container EPA Reg No 42750-15 Black spot

Black spot

Works with both nonselective herbicides and pesticides

shrubs and plants to grow healthier and more resilient against pests

chewing gum or using tobacco

Truban 30 WP Fungicide Target Pests

Shredder 2,4-D LV4 Weed Killer Herbicide Size:2.5 Gallon Container EPA Reg No 42750-15 Black spotHow Shredder Postemergent Herbicide Works 2,4 dichlorophenoxyacetic acid, which shortens to 2,4 D, is the active ingredient in Shredder herbicide. It's a synthetic compound that imitates a weed's natural growth hormone and penetrates the plant through its leaves. Once it's applied, the active ingredient causes uncontrolled growth, which results in leaf withering, curled stems and death. The dying process takes a few days but works 100 percent