A black spot and die-back symptoms were severely occurred on the branch of young persimmon tree at Chonju and Haenam between 1991 and 1992. The Pestalotia kaki isolated from symptoms were investigated in cultural character and pathogenicity.
Pestalot...
A black spot and die-back symptoms were severely occurred on the branch of young persimmon tree at Chonju and Haenam between 1991 and 1992. The Pestalotia kaki isolated from symptoms were investigated in cultural character and pathogenicity.
Pestalotia kaki was isolated from the black spot and die-back symptoms. Pestalotia kaki was classified into the strain I and Ⅱ by cultural character. The color of mycelium on the PDA, the strain l was white and turned yellowish in the center, and the strain Ⅱ was white. Conidia formed concentric Bones in the strain Ⅱ, and scattered in the strain Ⅰ . Pathogenicity of the strain I and Ⅱ was simillar.