PP260: Black Rot of Orchids Caused by Phytophthora palmivora and Phytophthora cactorum
Figure 3. Cattleya hybrid. White mycelium containing sporangia of Phytophtora palmivora can be seen on the end of pseudobulbs.
Credit: R. A. Cating
Figure 3. Cattleya hybrid. White mycelium containing sporangia of Phytophtora palmivora can be seen on the end of pseudobulbs.
Credit: R. A. Cating
