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Aesculus hippocastanum is a large tree, growing to about 39 metres (128 ft) tall [9] with a domed crown of stout branches. On old trees, the outer branches are often pendulous with curled-up tips. The leaves are opposite and palmately compound, with 5–7 leaflets 13–30 cm (5–12 in) long, making the whole leaf up to 60 cm (24 in) across ...
Overview. Cryphonectria parasitica is a parasitic fungus of chestnut trees. This disease came to be known as chestnut blight. Naturally found in South East Asia, accidental introductions led to invasive populations of C. parasitica in North America and Europe. In the first half of the 20th century, the fungal disease had a devastating economic ...
Bleeding canker of horse chestnut is a common canker of horse chestnut trees (Aesculus hippocastanum, also known as conker trees) that is known to be caused by infection with several different pathogens. Infections by the gram-negative fluorescent bacterium Pseudomonas syringae pathovar aesculi are a new phenomenon, and have caused most of the ...
Aesculus glabra, commonly known as Ohio buckeye, [2] Texas buckeye, [3] fetid buckeye, [3] and horse chestnut [3] is a species of tree in the soapberry family (Sapindaceae) native to North America. Its natural range is primarily in the Midwestern and lower Great Plains regions of the United States, extending southeast into the geological Black ...
Leaf spot is the most common disease for chestnut trees (Mycosphaerella maculiformis). It is known as cylindrosporium leaf spot disease, after its summer conidium form Cylindrosporium castaneae. The pathogens spend the winter in the white spots of the fallen leaves. At spring time, it reinfects the new leaves.
Aesculus indica is an attractive tree growing to 9–12 m (30–40 ft) with a spread of about 11–15 m (35–50 ft). It is hardy to −18 °C (0 °F), USDA zones 7–9. [4] It is in flower from June to July, and the seeds ripen in October. The flowers are hermaphroditic and with plentiful white blossoms during May and June pollinated by bees.
Anne Frank tree. Coordinates: 52°22′30.7″N 4°53′4.7″E. The Anne Frank Tree in 2006. The Anne Frank tree (Dutch: Anne Frankboom[1] or, incorrectly, Anne Frank boom[2]) was a horse-chestnut tree (Aesculus hippocastanum) in the city center of Amsterdam that was featured in Anne Frank 's The Diary of a Young Girl. Anne Frank described the ...
Hosts and symptoms. Nectria cinnabarina, also known as coral spot, is a weak pathogen of broadleaf trees. While beech is the main host, the parasite can also affect Sycamore, Horse Chestnut, and Hornbeam. This pathogen usually affects trees that have already been weakened as a result of stressful factors, such as drought or fungal infestation.