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Cronartium quercuum, also known as pine-oak gall rust is a fungal disease of pine (Pinus spp.) and oak (Quercus spp.) trees. Similar to pine-pine gall rust , this disease is found on pine trees but its second host is an oak tree rather than another pine.
Most trees affected by AOD will display exit holes and galleries caused by the larvae of the two-spotted oak borer Agrilus biguttatus [7]. Larvea of A. biguttatus and the bacterial pathogens are acting together in causing the disease, with the bacteria being more virulent and causing larger lesions when trees are infected with beetle larvae. [8]
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The Penderels and Colonel Careless employed coats of arms depicting an oak tree and three royal crowns, differentiated by colour. [4] A Thomas Toft signed charger, c. 1680, with slip-trailed decoration of Charles II in the oak tree. Large slipware dishes (known as 'chargers') depicting the Boscobel Oak were made by the Staffordshire potter ...
Quercus × warei is a hybrid oak tree in the genus Quercus.The tree is a hybrid of Quercus robur f. fastigiata (upright English oak) and Quercus bicolor (swamp white oak). [1] The hybrid is named for the American dendrologist George Ware, former Research Director at the Morton Arboretum in Illinois.
The Major Oak is an 800–1000 year old oak in Sherwood Forest, fabled as the principal hideout of Robin Hood. [9] The rose is England's national flower. A Tudor rose [10] is officially used, signifying the unification of the warring parties of the Wars of the Roses under the Tudor dynasty. The red rose representing The House of Lancaster, the ...
Symptoms include bleeding cankers on the tree's trunk and dieback of the foliage, in many cases leading to the death of the tree. P. ramorum also infects a great number of other plant species, significantly woody ornamentals such as Rhododendron , Viburnum , and Pieris , causing foliar symptoms known as ramorum dieback or ramorum blight.
Héliodore Pisan after Gustave Doré, "The Crucifixion", wood-engraving from La Grande Bible de Tours (1866). It depicts the situation described in Luke 23.. The illustrations for La Grande Bible de Tours are a series of 241 wood-engravings, designed by the French artist, printmaker, and illustrator Gustave Doré (1832–1883) for a new deluxe edition of the 1843 French translation of the ...