In many countries, the number of fig trees have been declining. While there are numerous explanations, one key problem is fig-wilting disease. A recognized cause of this disease is a fungus, Ceratocystis ficicola, which is transmitted by an ambrosia beetle, Euwallacea interjectus. Now, a group from Nagoya University in central Japan has identified another fungus, Fusarium kuroshium, which is harmless ...

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