Search results
Results from the WOW.Com Content Network
Beech bark disease is a disease that causes mortality and defects in beech trees in the eastern United States, Canada and Europe. [ 1 ] [ 2 ] [ 3 ] In North America , the disease occurs after extensive bark invasion by Xylococculus betulae and the beech scale insect , Cryptococcus fagisuga . [ 4 ]
Foamy bark canker; Forest pathology; H. Helicotylenchus dihystera; Hypoxylon canker of shade trees; L. List of elm diseases; List of pistachio diseases;
Dutch elm disease was spread by elm bark beetles, yet the tree mortality was caused by a pathogen. [4] Chestnut blight is a fungus spread through wind dispersal and rain splatter; the blight traveled up to 50 miles in a year by natural means. [5] Insect pests, once they reach the adult phase, have the ability to disperse by flight.
Trees have natural chemicals that keep most fungi at bay, but climate change could be making trees more vulnerable, researcher says. Citizen scientists to study this tree disease found in ...
bark. Eucalyptus siderophloia, commonly known as the northern grey ironbark, [3] is a medium-sized to tall ironbark tree that is endemic to south eastern Australia. It has hard, dark, furrowed bark, lance-shaped to curved adult leaves, flower buds in groups of seven, white flowers and cup-shaped or conical fruit.
The following is a list of diseases of pears ... Pear rough bark Virus suspected ... Common Names of Diseases, The American Phytopathological Society
Aleurodiscus oakesii on tree bark. Aleurodiscus oakesii is the most common fungi to cause “smooth patch disease” on the nonliving outer bark of trees. This fungal infection can lead to trees shedding and leaving smooth and lighter patches of bark on the tree, giving “smooth patch” its meaning.
Maple bark disease, or maple bark stripper’s disease, is an uncommon condition caused by exposure to the spores of C. corticale. [5] The spores are hyper-allergenic and cause a hypersensitivity pneumonitis. [6] [7] The disease has been found among workers in the paper industry employed to debark, cut and chip maple logs. The symptoms include ...