How Do You Kill Lichen On Apple Trees With Copper Sulphate?
Lichen is a composite, symbiotic organism made of fungus in association with a photosynthetic partner, usually a type of algae. It loves to grow on shaded tree trunks and, although it may be unsightly to some, it is not harmful to trees. One way to discourage the growth of lichen is to space your trees properly and trim excess branches to allow more sunlight to reach the trunk. Once lichen is established, you can successfully remove it with copper sulphate mixed with water. Steps Step 1 Wear old protective clothing while working with copper sulfate–including gloves, long pants, and long sleeves. Wearing goggles is also a good safety measure, just in case the copper sulfate mixture accidentally splashes or blows toward your eyes. Step 2 Remove pets or livestock from the area that will be treated so they do not come in contact with or eat the treated lichen or bark. Restrict pet reentry into the area for a period of 24 hours. Step 3 Mix copper sulfate with water at the recommended amoun
