Wasting Disease of Eelgrass (Zostera marina)

IN NATURE of December 30, 1933, a letter appeared on the disease of the eelgrass (Zostera marina) in Danish waters based on investigations which I made in the summer of 1933. I am now able to give further details concerning this disease. The destruction of the leaves was continued during the winter, but young shoots formed in the early spring were generally without infection. Infection of the leaves reappears at the beginning of the summer.