Ad
related to: tree sickness identification
Search results
Results from the WOW.Com Content Network
The disease has caused a large-scale decline of ash trees across Poland, [21] with evidence suggesting that in the long term "15 to 20 per cent of trees may survive without exhibiting symptoms." [ 22 ] In 2012, it was reported that the disease was reaching its peak in Sweden and Denmark, and that it was entering a post-decline (or chronic ...
This is a list of diseases affecting species of the genus Ficus. Plant Species. Plant species; Fb Ficus benjamina: weeping fig Fe F. elastica: rubber tree Fer F. erecta:
Many species of tree show varying degrees of resistance, such as the heartnut, butternut, and the Japanese, black, and Persian walnuts. It is sometimes claimed that higher levels of resistance result from thicker bark; however, since the disease enters through "breaks" in the bark, it is unlikely that bark thickness influences resistance.
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 ]
Acute oak decline (AOD) is a disease that infects oak trees originally described in the UK.It mainly affects mature oak trees of over 50 years old of both Britain's native oak species: the pedunculate oak (Quercus robur) and the sessile oak (Quercus petraea).
The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe. Symptoms include bleeding cankers on the tree's trunk and dieback of the foliage , in many cases leading to the death of the tree.
Fruit tree diseases (9 C, 27 P) Fungal tree pathogens and diseases (5 C, 286 P) Pages in category "Tree diseases"
Porodaedalea pini, commonly known as the pine conk, [1] is a species of fungus in the family Hymenochaetaceae. It is a plant pathogen that causes tree disease commonly known as "red ring rot" or "white speck". This disease, extremely common in the conifers of North America, decays tree trunks, rendering them useless for lumber. [2]
Ad
related to: tree sickness identification