under the name of snow mold, diseases of the lawn, occurring in winter and spring. excess organic matter, snow on

aerate air are broad cobwebs cover covered dead destroy dig disease diseases excess fibers frost fungi fungicide fungus grass humid ice incarnata ishikariensis lasting lawn long matter mold mushroom mycelium name new occurring old organic pathogen snow spectrum spider spore spray spraying spring summer surface there tolerant two typhula unfrozen vegetation weather web wet white winter