Stem Rot - a disease caused by a fungus. In this part of the stem or crown plants becomes soft and rots. Fungus that attacks plant normally grows very quickly and usually kills the entire plant. Control measures. In the initial stage of the disease can try to save the plant, removing all infected tissue. Following a serious injury to destroy the plant, together with soil and pots. Contribute to the development of fungus of wetland soils and unventilated room.