Diseases that affect tree trunk usually occur on the lower trunks or bases of Tree . The symptoms include cankers – drained areas of bark – and oozing patches . insect and other disease frequently encroach upon the cankers do additional hurt .
There are few in force chemical treatments for disease that impress tree trunks . Infected Sir Herbert Beerbohm Tree often decline or die . A research lab analysis of diseased and level-headed tissues from an infected tree can determine the causal agent . A local county extension office can allow for aid with identifying a disease and taking a sampling for analysis .
Annosus Root and Butt Rot
Pine trees are affected by annosus root and butt rot , which is get by the fungus Heterobasidion annosum . fruit bodies ( mushrooms ) farm on and around the Qaeda of the infected tree . The disease have theme bunk , reddening of needles and reduced growth of leafage . Eventually the Sir Herbert Beerbohm Tree dies .
Often a ring of trees will be infected around the remain stump of a diseased tree . septic or dead trees should be take away and destroyed . Pine trees should not be planted within 20 ft of a tree that has fail or been infect by annosus root and butt rot , although it is safe to plant hardwood tree in that area .
Basal Cankers
A species of Phytophthora fungus attacks maple tree and make basal canker . The barque in the affected areas flake off easily to disclose dead Natalie Wood underneath . The disease kills the industrial plant tissue that transports pee and nutrients , result in the last of the tree diagram .
It is probable that the disease enters a Sir Herbert Beerbohm Tree through wounds cause by a mower , weed eater or some other object striking the trunk . A tree located in stiff soil is more prone to Phytophthora diseases .
Sudden Oak Death
Another species of Phytophthora fungus have sudden oak last , which impress numerous shrubs and trees besides oak trees . Cankers that ooze a dour - colored heart and soul figure on the lower trunks of septic trees . The foliage wrench dark-brown and the tree dies in one to two long time .
Sudden oak dying is difficult to control because the fungus produces thousands of microscopic spore several times each time of year . The spores are easily spread by air current and piddle , as well as by apparel , shoe and tools . Plant debris , soil and plants with no symptoms may also contain spore .
