Immediately after the onset, spray 20% triadazol emulsifiable concentrate (Purple Rust) 2000～2500 times solution, or 40% fluorosilicone emulsifiable concentrate 8000 times solution, or 12.5% ​​diniconazole wettable powder 1000～1500 times solution, or 10% phenyl ether The cyclazole water dispersible granules are 1500-2000 times liquid, and the 70% thiophanate 800 times liquid can also be sprayed, once every 15 to 20 days, and continuously controlled 2 to 3 times. 5 to 7 days interval, 2 to 3 times of prevention and treatment, pay attention to the spray on the front and back of the leaf should be all drugs.
A blade is a part of a tool, weapon, or machine whose edge is designed to pierce, cut, or scratch the surface of a material. Blades can be made of materials such as flint, metal (usually steel), ceramics or other materials. Blade is one of the oldest tools of human beings, and has been used for combat, food preparation and other purposes.
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