![]() The biology is similar to that of clematis slime flux, although it is thought that in trees the bacteria most usually colonise the plant through the roots. Slime flux and a similar disease called bacterial wetwood are also found quite frequently on the stems of a wide range of trees and shrubs. A range of bacterial species, as well as other organisms such as yeasts and fungi, are often found within the slime, all taking advantage of the sugars within the sap. Gasses are also produced which force the slime out under pressure and may result in further stem splitting. The bacteria penetrate deep into the stem tissues, and when the sugary sap rises in spring this is fermented by the bacteria to produce the foul-smelling slime. Any factor that injures the stem can lead to the problem developing, however, the 2011 problems were connected to frost damageto the bark and roots. ![]() This means that gardeners will need to be more adaptable, replacing plants or choosing tougher ones where maintenance needs to be reducedĬordyline slime flux develops when a damaged part of the stem becomes colonised by bacteria that normally reside harmlessly in the soil or on the stem surface. While climate change predicts warmer, wetter winters the overriding factor is the weather will become more unpredictable – so extremes in temperature can still be expected.
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