Bugs and diseases killing Horse Chestnut trees

The video discusses the competitive nature of conker collecting and the threats facing horse chestnut trees, particularly in urban areas. These threats include diseases like bleeding canker and pests such as the leafminer moth, which have weakened the trees. The impact on conker games is significant, with potential changes in materials used for competitions. Efforts are underway to save the trees, with some natural resistance observed. Blue tits are helping control pests, showing adaptation in the ecosystem.

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