Blight
Blight is a rapid and complete chlorosis, browning, then death of plant tissues such as leaves, branches, twigs, or floral organs. Accordingly, many diseases that primarily exhibit this symptom are called blights. Several notable examples are:
Septobasidium pilosum
Septobasidium pilosum is a plant pathogen, one of a number of fungi in the genus "Septobasidium" responsible for the disease of tea plants known commonly as "velvet blight".