1. Symptoms: The main symptoms of the three types of rust can be summarized as: "Rust rusting, leaf rust, culm rust is a big erythema." Stripe rust mainly damages wheat leaves and also damages leaf sheaths, stems, and panicles. Leaf rust mainly damages the leaves and is rarely seen on leaf sheaths and stems. Stem rust mainly damages the stems and leaf sheaths, but also can damage the panicles.
2. Control measures: (1) Preventive measures Plant rust-resistant varieties according to local conditions. After the wheat is harvested, it can be ploughed and ploughed in time to eliminate the self-producing wheat seedlings and reduce the source of the bacteria in the summer. (2) The chemical control shall be sprayed once at the flowering stage and grain filling stage, and sprayed with 12.5% ​​of diniconazole wettable powder 50 g per mu or 50 ml of 20% Triadimefon EC. (3) Ecological control Improve the ecological environment of agriculture, breed rust resistant varieties, and handle sowing seeds.
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