Tree diseases

Most crabapples are hardy in areas all along the eastern seaboard. In general, they are subject to the same diseases …

Cytospora (Valsa) canker is the most destructive disease of spruce, and is most common on Colorado blue spruce and No…

Phytophthora spp. is an aggressive plant pathogen that affects many landscape ornamental plants. In fact the word Phy…

Diplodia tip blight is a devastating disease of two- and three-needle pines. It is caused by the fungus Sphaeropsis s…

Many hybrids and selections of Asiatic elm that have reliable resistance to Dutch elm disease (DED) are available for…

Palms are a very diverse group of plants, and landscape palms are susceptible to a variety of diseases.