松树在幼龄期很容易遭受病害,如幼苗伏倒病,松曲枝病,根腐病,根白腐病,落叶病等。特别是苏联罗文、沃伦、里沃夫和铁尔诺坡尔省的北部地区的人工林内,蔓延着由真菌引起的落叶病,其病源菌是lophodermium pinastri chev.。在苗圃里遭受落叶病害的苗木必须淘汰并烧毁。栽上受感染的病苗,会导致松树人工幼林的生长量显 Pine trees are vulnerable to disease in their young age, such as seedling fall sick, Song staggering, root rot, white rot, deciduous diseases. Especially in plantations in the northern regions of the provinces of Rowan, Warren, Lviv and Tyneppophorol, there are spores of fungi that cause the disease, and the pathogen is lophodermium pinastri chev. Seedlings suffering from deciduous diseases in nurseries must be eliminated and burned. Transplant infected infected seedlings will result in the growth of young pine plantations