试论陇东小麦条锈病发生原因与防治对策

陇东复杂多样的生境条件决定了这一地区不但是我国小麦条锈病传播的重要桥梁地带，而且是当地条锈病流行的重要越夏、越冬菌源基地。当地菌源的存在和小麦品种的抗性丧失是发生大流行的内因，春季降水量多是大流行的决定性因素。加强抗锈品种的选育及合理布局、实行生态防治是控制流行的核心。

A Disccussion on the Occurrence and Control of Wheat Stripe Rust in Longdong District

The complex and diversified ecological environment and conditions in Longdong made this area be not only an important bridge area spreading wheat stripe rust in our country but also an important over-summer and winter base of bacterial source leading to the prevalence of wheat stripe rust. The prevalent internal cause was existence of the local bacterial source and loss of the resistant ability of wheat varieties, while the decisive factor was the abundant rainfall in spring. The key point of controlling wheat strip rust from prevalent was to enhance selection and breeding of rust-resistant wheat varieties and to carry out ecological prevention and control of the disease.