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Compartmentalization of decay in trees
Compartmentalization Of Decay In Trees (CODIT) is a concept created by Dr. Alex Shigo after years of studying tree decay patterns. Though disputed upon its introduction in the late 1970s, the concept is now widely accepted by modern arboriculture and is referenced widely in publications including Shigo's 'Modern Arboriculture' and 'A New Tree Biology'.
==Theoretical background==
In keeping with the theory of abiogenesis, in which living things can develop from non-living things, scientists traditionally believed that tree decay led to fungal growth. With the advent of germ theory, however, German forester Robert Hartig in the early 20th century theorized the opposite was the case, and developed a new model for tree decay: when trees are wounded, fungi infect the wounds, and the result is decayed wood. Over time, the research of Shigo and others helped to expand this theory, leading to the modern concept of tree decay: when trees are wounded, many organisms, not just fungi, infect the wood at different times and in different ways; trees respond to these infections with both chemical and physical changes; discolored and decayed wood results, but is limited by compartmentalization.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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