[2] It is the cause of the fungal disease black leaf mold.

[3] The fungus was first described in the Philippines in 1938 and has since been reported in numerous countries throughout the tropics and subtropics.

[4] Black leaf mold causes pale-yellow to light-green spots on infected leaves which eventually enlarge and coalesce.

The leaves then wilt; infected tomato plants have smaller or fewer fruits.

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