Infection of xylem vessel as happen in the leaf spot, blight,rust,mildew interferes with which function of the plant

Answer 1

Infection of xylem vessels, as occurs in diseases like leaf spot, blight, rust, and mildew, primarily interferes with the transport of water and nutrients within the plant. Xylem vessels are responsible for conducting water and dissolved minerals absorbed by the roots up to the leaves and other parts of the plant. When these vessels are infected or damaged, it can lead to reduced water flow, which may cause wilting, nutritional deficiencies, and impair the overall health and growth of the plant. Additionally, it can disrupt the plant's ability to perform photosynthesis effectively due to insufficient water supply, further exacerbating health issues and reducing crop yield.