高粱、玉米是我省种植面积最大的两种旱粮作物,而丝黑穗病是高粱、玉米的重要病害,众所周知,轮作是防治高粱、玉米丝黑穗病的主要措施之一。但由于高粱、玉米上的丝黑穗病菌属同一个种,因此,二者能否相互侵染,防治高粱、玉米丝黑穗病,两种作物能否轮种,成为亟待明确的问题。据1927年.1940年.E 研究结果,认为高粱、玉米上的丝 Sorghum and corn are the two crops with the largest planting area in our province, and the head smut is an important disease of sorghum and corn. As we all know, rotation is one of the main measures to control sorghum and maize smut. However, due to the same species of head smut in sorghum and maize, whether the two can infect each other and prevent sorghum or maize smut may be a problem to be solved urgently. According to the findings of 1940 E.E. 1927, sorghum and corn were considered as silk