Against the fruit, as early as the Sui, Dendrite and leaves; cob is one of the most vulnerable parts. Incidence of ear from the ground close to the ear from the stalk or the beginning of the small fruit. Department of Disease light brown spots appear. Gradually under the Sui and fruit spread. Materials and the entire ear, suspended the man and not easily fall off, and many small white protrusions gradually become dark brown from light brown, soft fruit rot off easily. But there are also stiff dry fruit, and a clear edges and corners, suspended the man and not easily detached. When the wet weather after the rain, the fruit from the disease out of a black point in the mucus.