Because it is exposed to the elements, the wood you use must be able to withstand exposure to the sun, heat, cold, rain and snow, plus it needs to be resistant to fungus and insects. Below is an overview of the various woods recommended for outside wood trim and a cost-benefit analysis of each type of wood. These costs are only for the wood; you will have to figure in labor and design costs separately. Of all the woods for exterior applications, western red cedar is usually a top choice. It resists decay and insects. Additionally, it can be stained or painted. Its natural look works well for fascia boards, corner boards and trim around windows and doors.
Fungal diseases are often caused by fungi that are common in the environment. Most fungi are not dangerous, but some types can be harmful to health. Mild fungal skin diseases can look like a rash and are very common. Fungal diseases in the lungs are often similar to other illnesses such as the flu or tuberculosis.
Fungi are one of the living organisms that can cause plant disease and are the cause of about eighty-five percent of all plant diseases. More than 100,000 species of fungi have been classified and include molds, mildews, and mushrooms.owever, the majority of plant diseases are caused by two main groups of fungusâthose from Phylum Ascomycota and Phylum Basidiomycota. Fungi in Ascomycota are commonly called sac fungi and include these species: 1  Diplocarpon rosae â causes black spot on roses. 2  Fusarium spp. â causes fusarium wilt.