noun
: any rot affecting the part of a plant at or near the ground level and caused in the sugar beet by boron deficiency or in rhubarb by a fungus ( Phytophthora parasitica ) — compare collar rot
noun
: any rot affecting the part of a plant at or near the ground level and caused in the sugar beet by boron deficiency or in rhubarb by a fungus ( Phytophthora parasitica ) — compare collar rot
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012