薯蓣又名田薯、大薯等。福建俗称莳、莳芋，北方称山药。炭疽病是山药的重要病害，严重发生时，造成重大损失。１症状炭疽病在福鼎市于７月上旬开始发生，８月下旬达高峰。此时正值地上茎叶旺长及地下块茎膨大盛期，被害后立即停长，甚而全株枯死。先在叶脉上生褐色凹陷小... Dioscorea also known as potato, big potato and so on. Fujian commonly known as dill, dad taro, the northern yam. Anthracnose is an important disease of yam, causing serious losses when it occurs seriously. 1 symptoms Anthrax in Fuding City in early July began to peak in late August. At this moment, the stems and leaves on the ground and the swelling of the underground tubers flourished immediately after the arrest, even the whole plant died. First dark green veins on the small ...