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Cypress canker is a disease affecting Cupressus species, caused by one of several species of fungus in the genus Seiridium. Infection causes die-back of twigs and branches in susceptible cypress trees, [ 1 ] with rapidly increasing amounts of damage and the death of the tree.
On the other hand, no sexual stage of species Seiridium cardinale is known, so that is its only name. [ 2 ] [ 3 ] Seiridium cardinale is important to gardeners and foresters as they cause the devastating Cypress canker disease on Cupressus , Thuja , and related conifers in Northern Europe, America, Australia, [ 4 ] and New Zealand.
Stylized Cypress Trees from Persepolis, Shiraz, Iran. One of the three varieties of C. sempervirens native to Iran is called the Shirazi Cypress. In Persian, C. sempervirens is called the "Graceful Cypress" (sarv-e nāz), and has a strong presence in culture, poetry and gardens.
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Dibotryon morbosum is a fungus that affects the genus Prunus. Included in this genus are multiple species of trees and shrubs, such as: Dibotryon morbosum infects are Prunus serotina (wild cherry trees), Prunus persica (peach trees), Prunus domestica (plum trees), and Prunus cerasus (sour cherry trees). [3]
Olive quick decline syndrome (OQDS) (in Italian: Complesso del Disseccamento Rapido dell'Olivo, CDRO or CoDiRo) is a wasting disease of olive trees which causes dieback of the leaves, twigs and branches so that the trees no longer produce crops of olives.
Chamaecyparis lawsoniana, known as the Lawson's cypress or Port Orford cedar. [4] This is a native species to Oregon and northwestern California. [4] Taxodium: Taxodium ascendens, commonly known as pond cypress [5] and native to North America. Taxodium distichum, commonly known as bald cypress and native to the southeastern United States. [6]
Blight is a rapid and complete chlorosis, browning, then death of plant tissues such as leaves, branches, twigs, or floral organs. [1] Accordingly, many diseases that primarily exhibit this symptom are called blights. Several notable examples are: [citation needed]