Which of the following pairs of diseases attack coffee?
Answer Details
The pair of diseases that attack coffee plants is rust and leaf spot.
Rust is a fungal disease that appears as yellow-orange spots on the underside of coffee leaves, which can then spread to the upper side of the leaves. Rust can weaken coffee plants and reduce the yield of coffee cherries.
Leaf spot is another fungal disease that affects coffee plants. It causes dark spots on the leaves, which can turn yellow or brown over time. Leaf spot can also weaken the coffee plant and reduce the yield of coffee cherries.
Mosaic and smut are diseases that do not typically affect coffee plants. Mosaic is a viral disease that affects many crops, including tobacco and maize. Smut is a fungal disease that commonly affects corn, wheat, and sugarcane. Ridge is a bacterial disease that can affect potato plants.
Therefore, in summary, the pair of diseases that attack coffee plants are rust and leaf spot.