S. endobioticum. For inoculum
preparations, mature warts were cut into slices and dried at room
temperature. The dried warts were pounded by a rubber pestle and screened through mesh. For inoculation of 1 kg of soil, 10–12 g of a
sporangia powder was used. The optimum amount of inoculum (30–40 viable zoosporangia in 1 g of soil)