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Agriculture | n. m.
an alteration in the health of the olive tree that is caused by the constant interaction between the plant and a biological agent, often a fungus, a bacterium or a virus, or by other causes, mainly nutritional or climatic, and among which olive leaf spot, verticillium wilt, anthracnose and olive knot stand out.

Example

The olive tree is affected by some pests and diseases, although it has fewer problems than most fruit trees.

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Additional information

together with pests, the olive-tree diseases stand as the most damaging agronomic factor for the quality of olive oil.