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Fire blight, also written fireblight, is a contagious disease affecting apples, pears, and some other members of the family Rosaceae. It is a serious concern to apple and pear producers. It is a serious concern to apple and pear producers.
The disease can infect trees of all ages, though trees that are physiologically stressed through water or nutrient deficiencies or wounded via extreme weather or insect damage have a higher incidence of infection. [1] The hallmark symptom of Diplodia tip blight is stunted, brown needles and stems, particularly of new shoots. [4]
Dothistroma septosporum or Mycosphaerella pini is a fungus that causes the disease commonly known as red band needle blight. This fungal disease affects the needles of conifers , but is mainly found on pine .
Pinus nigra is a large coniferous evergreen tree, growing to 20–55 metres (66–180 feet) high at maturity and spreading to 6 to 12 m (20 to 39 ft) wide.The bark is gray to yellow-brown, and is widely split by flaking fissures into scaly plates, becoming increasingly fissured with age.
The healthy pine trees were killed—especially Japanese red pine (Pinus densiflora) and Japanese black pine (P. thunbergii). However, Jack pine (P. banksiana), loblolly pine (P. taeda), sugi redwood (Cryptomeria japonica), and Hinoki cypress (Chamaecyparis obtusa) trees were able to survive. [7] In 1971, the researchers concluded that the ...
Red band needle blight is a fungal disease which affects coniferous trees, particularly pine, with a worldwide distribution. The disease is caused by the fungi Dothistroma septosporum . Since the late 1990s its appearance in the United Kingdom has increased, among the most affected species is Corsican pine and the disease has been a significant ...
Description and assessment of damage to tree structures (parts of a tree), to forest stands, landscape effects and to wood products, timber in service and other ecosystem services. Eradication of recently introduced pests, or long-term management of established exotics and indigenous pests, to minimise losses in wood quality and wood production ...
Fusarium circinatum is a fungal plant pathogen that causes the serious disease pitch canker on pine trees and Douglas firs (Pseudotsuga menziesii).The most common hosts of the pathogen include slash pine (Pinus elliottii), loblolly pine (Pinus taeda), Monterey pine (Pinus radiata), Mexican weeping pine (Pinus patula), and Douglas fir. [1]
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