What is that Moss and Lichens on the bark?
The bark of some trees and shrubs can develop fungi, algae, lichens or moss. These are non-parasitic organisms that do not injure the plants on which they grow. Lichens and Moss develop on vigorous plants to some degree in areas where the humidity is high, as in our Northwest environment. They will grow more profusely on trees and shrubs which have been neglected¯especially where branches have become overcrowded or are lacking vigor. When those branches die completely, the Moss and Lichens are often unduly blamed for the decline. • Q: What is I.P.M.? A: IPM is the method for pest management that focuses primarily on preventing problems. The program planning involves knowledge of environment, biology, habits, and life cycle to identify the weakness in a pest’s life cycle. This knowledge allows for proactive action before the heaviest potential damage is done. Knowing the difference between beneficial organisms and pests is also crucial in how treatment decisions are made. Complete eradi
