Laboratory studies suggest that the compound in horse chestnut known as aescin, or escin, has anti-inflammatory (1) , neuroprotective (1) , and antitumor (2) (3) effects, and enhances the efficacy of gemcitabine (18) . To put it simply it clogs up the tree's veins. Horse chestnuts have been hit by two potentially life-threatening diseases. Guignardia blotch is a foliage disease of many Aesculus species, including California, Ohio, red, and yellow buckeye and common, red, and Japanese horse chestnuts. What damage does it do? Many different organisms cause symptoms called bleeding canker in trees. Horse chestnut trees in Ireland are threatened by a new parasite which has killed 50,000 trees in the UK. Overview. Horse chestnut: Other pests and pathogens Common pests and pathogens affecting horse chestnut. Inflammation can cause excess fluid buildup in your tissues, which can lead to fluid retention and swelling ().Aescin is a component in horse chestnut … Horse chestnut should not be combined with aspirin, Plavix (clopidogrel), Coumadin (warfarin), and other anticoagulant or anti-platelet (blood-thinning) drugs unless under medical supervision as it may increase the effect of these medications. You may not be able to use horse chestnut if you have certain medical conditions, such as: a bleeding or blood clotting disorder (horse chestnut can thin your blood); diabetes (horse chestnut may cause low blood sugar); kidney disease; liver disease; a stomach or intestinal disorder; Horse chestnut should not be confused with sweet chestnut. Before using horse chestnut, talk to your healthcare provider. The first is bleeding canker: bacteria infects the bark, cutting off the water supply to the crown. The horse chestnut can live up to 300 years, provided it does not become infected with one of the many fungal diseases and other health conditions to which the horse chestnut is susceptible. The current disease in horse-chestnuts is caused by a bacterium called Pseudomonas syringae pv aesculi. These exhibit black tarry bleeding areas which may girdle the entire tree and this eventually kill it. Caused by the fungus Guignardia aesculi, the disease produces reddish or dull brown, irregular blotches that are … All major diseased branches need to be removed, as diseased branches may … Horse chestnut has been used in alternative medicine and is likely effective in treating some symptoms of chronic venous insufficiency (decreased … Horse chestnut trees (Aesculus hippocastanum) are susceptible to several well-known pests and pathogens that cause symptoms other than bleeding canker.Guignardia leaf blotch. 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. It is characterised by the appearance of 'bleeding cankers', or lesions, on the stems (trunks) and branches. Bleeding canker is killing horse chestnuts in significant numbers in Ireland. Cryphonectria parasitica is a parasitic fungus of chestnut trees. These include bleeding canker, which can cause their death; Guignardia leaf blotch; and horse chestnut scale insect. These cankers ooze, or bleed, dark fluid. Bleeding canker is a disease that affects European horse chestnut trees (Aesculus hippocastanum) in Great Britain. Horse Chestnut Bleeding Canker is a disease which affects major branches and stems. People with kidney or liver disease and bleeding disorders should avoid horse chestnut. The fungal disease has had a devastating economic and social impact on communities in the eastern United States. 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