In the middle of April, the Jintan, Fuyang and other places in our province have successively investigated the field of wheat stripe rust, which was the first time the disease was discovered in our province. For this year, the grim situation of wheat stripe rust disease in a wide range, spread fast, heavy damage, the provincial Plant Protection and Quarantine Station issued the "Notice on wheat stripe rust monitoring survey and guide the work of prevention and control" on April 20 Kusakabe, guidance All localities quickly completed the inspection and management work, and held a training meeting on April 27 to introduce the field identification symptoms, occurrence characteristics and investigation methods of wheat stripe rust to 40 technicians from 17 cities and counties (cities, districts). And prevention and control technology, deployment of monitoring investigation and prevention and control work. Characteristics of wheat stripe rust Wheat stripe rust can be transmitted by airflow, which has the characteristics of wide distribution, fast propagation and great harm. The disease mainly harms the leaves, followed by the sheath and stem, the panicle, the glume and the awn. Main characteristics of wheat stripe rust In the seedling stage, a multi-layered arrangement of fresh yellow urediospores is produced on the leaves of the seedlings. In the early leaves, the summer spores are small strips, bright yellow, elliptical, parallel to the veins, and arranged in rows, like the stitches of the sewing machine, in the shape of a dotted line, the later epidermis ruptures, rust brown powder Shape. When the wheat is near maturity, a round to oval dark brown summer spore heap appears on the leaf sheath, and a bright yellow powder, ie, urediospores, is emitted. The difference between it and the symptoms of wheat leaf rust and stem rust is "strip rust, leaf rust, and stem rust is a big red spot." Wheat stripe rust prevention and control measures Triazole fungicides such as triazolone, diniconazole and tebuconazole, and methoxy acrylate fungicides such as ether oxystrobin and pyraclostrobin can be combined to bind wheat scab and powdery mildew. Pest and disease prevention work, carry out overall prevention and control and unified defense; for re-issuing fields, it is necessary to carry out separate prevention and control. Main points of wheat stripe rust prevention "Discover a little, control one piece, find a piece, control the whole field", control the disease center as soon as possible, reduce its spread to the surrounding area, and reduce the degree of harm. More pesticide knowledge , please pay attention to China Pesticide Network Stainless Steel Valves,Stainless Steel Valve ,Stainless Steel Ball Valves,Ss Ball Valve WENZHOU DIYE VALVE&FITTINGS CO.,LTD , https://www.diye-valve.com
Wheat stripe rust prevention technical guidance