Term: Angular Leaf Spot

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The onset of this disease is categorized by angular spots on leaves bordered by leaf veins. Spots will turn brown and sport a yellow edge or halo. Prevalent in warm, humid environments, angular leaf spot is spread by bacterium from dead plant matter splashing up from the ground onto leaves when it rains. Mulching, covering in heavy rains, and the use of a drip irrigation system are recommended in these types of environments when trying to grow low-ground plants, such as cucumbers, melons, and squash.

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