Conifer diseases are health issues that affect coniferous trees, such as pine, spruce, and fir. These diseases can be caused by various factors, including fungi, bacteria, and environmental stress. Common symptoms include needle discoloration, wilting, and premature needle drop, which can weaken the tree and make it more susceptible to pests. Management of conifer diseases often involves proper cultural practices, such as maintaining good soil health and ensuring adequate water drainage. In some cases, chemical treatments may be necessary to control specific pathogens. Early detection and intervention are crucial for preserving the health of affected conifers.