An Experiment to Control Fomes annosus in Second Rotation Pine Crops

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Abstract
Stump removal was found to singnificantly reduce killing by Fomes annosus in second rotation crops of pine. Poisoning and girdling of trees prior to felling and also stump poisoning failed to control the disease. In this experiment no significant differences were detected in the susceptibility of Scots and Corsican pine to attack. Increasing periods of delay before replanting resulted in less mortality. An equation is presented, based on factors of the first rotation crop which may be used to predict losses likely to occur when a site is replanted. Root attack by F. annosus results in reduced growth and yield as well as mortality. The results from the experiment are discussed in trems of the mangement of pine crops attacted by F. annosus in Theford Chase.

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