锈菌有一特殊的生活方式,即转株寄生的存在。转株寄生,就是锈菌为完成一个完整的生活圈,须要两种不同的寄主,就是须要转换一次寄主。这两种寄主,互称转株寄主。但是人是有立场的,他的行为都是站在一定的立场上行动,因此常常把同他有关系的经济作物,叫作寄主,而把另外的一个寄主,叫作转株寄主。比如麦类锈菌,常常把麦类 Rust has a special way of life, that the existence of parasites parasites. Strain parasites, that is, rust to complete a complete circle of life, you need two different hosts, is the need to convert a host. The two hosts, each called transposon host. However, people take a position. All of his actions are based on a certain position. Therefore, he often refers to the cash crop that is related to him as the host and the other host as the host of the rotation. Such as wheat rust, wheat often