Dense twiggy growth in a tree caused by infection with fungus (especially rusts), mites, or viruses.
- His research includes two major goals: understanding genetic diversity of the fungus that causes witches' broom and identifying resistance to the disease.
- The tropical climates where cacao grows best are also perfect incubators for fungal diseases like black pod, witches' broom, and frosty pod rot.
- ‘Because the two fungi are related,’ Aime says, ‘biocontrol methods now used to keep witches' broom in check may also work for frosty pod.’
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