Seedling diseases are a group of plant diseases that affect young plants in the early stages of growth, typically within the first few weeks after germination. These diseases are caused by various pathogens such as fungi, bacteria, and viruses, as well as environmental factors. Symptoms of seedling diseases include stunted growth, wilting, damping-off, and discoloration of leaves. These diseases can result in reduced crop yield and quality if not properly managed. Control measures for seedling diseases may include the use of disease-resistant varieties, proper sanitation practices, and fungicide treatments. Additionally, good seed quality and planting practices can help prevent the spread of seedling diseases in agricultural crops.