Zhang Jianyong, deputy director of the Jiangsu Provincial Agriculture Committee, recently inspected and guided the prevention and control of wheat scab in various counties and cities in Jiangsu. Director Zhang proposed the most grounded gas prevention and control language for wheat scab: "See flowers and fight drugs, fight again in the prime period, and rain to make up. There are three dozen white bones in ancient times, and there are three dozens of gibberella." The success or failure of wheat scab is related to wheat quality and safety, yield safety and farmers' income. Faced with the grim situation of this year's wheat scab, the production should be monitored and early warning, scientific prevention and control, vigorously promote the unified defense and group defense, and strive to lay the wheat heads with scab. The overall battle against pests and diseases, efforts to minimize damage losses. The prevalence of scab is the key factor affecting whether the flowering period of susceptible disease encounters high temperature, high humidity and rainy weather. Therefore, it is very important to accurately grasp the wheat growth process and weather trends. All localities should actively carry out the wheat growth period survey and analysis, timely grasp the wheat heading and flowering period in different regions, different fields and different varieties; pay close attention to the weather changes and accurately grasp the weather trend of wheat heading and flowering period. For wheat scab, we should adhere to the prevention and control strategy of “prevention first, take the initiative to attackâ€, and adopt the prevention and control measures of “appropriate prevention and control, seeing flowers and spraying drugsâ€, so as to prevent the quasi-period and the two preventions from being shaken, that is, for the first time. The medicine is mastered in the early stage of wheat flowering, and the second prevention and treatment is carried out 5 to 7 days after the first application; the field is highly susceptible to disease, the growth period is extremely irregular, and the flowering period encounters more rainy weather, and the number of medications should be appropriately increased; For example, when the wheat is in the rainy period, you can choose the rain gap or apply the medicine before the rain. The rain should be timely repaired within 6 hours after the medicine to ensure the control effect. To rationally arrange the drug use, you can choose a single agent or a compounding agent such as cymene, tebuconazole or prochloraz, and pay attention to the alternate use; the area where the scab pathogen is highly resistant to carbendazim, stop using Carbendazim single agent. Powdery mildew, aphids and other pest recurrence areas should be coordinated to prevent and control, for the prevention and control of powdery mildew, combined with tebuconazole, diniconazole, myclobutanil, ether oxystrobin, enestrobin and other drugs; Control, combined with the administration of pymetrozine, imidacloprid, beta-cypermethrin and other drugs. To use the amount of foot and the amount of water, the single dose of cymene monoester is not less than 25 grams per mu, and the amount of pure medicinal amount of tebuconazole and prochloraz is not less than 12 grams per acre. The amount of pure medicinal per mu is not less than 50g; it can be sprayed evenly by motorized mist, electrostatic spray or self-propelled spray bar sprayer. The mobile mist and electrostatic spray will use 15-20kg per mu. Sprayer sprayer The water consumption per mu is 40-60 kg, which improves pest and disease control. More pesticide knowledge , please pay attention to China Pesticide Network Biological Microscope ,Inverted Biological Microscope,Ibiology Microscopy,Discovery Biological Microscope Ningbo Beilun Kalinu Optoelectronic Technology Co.,Ltd , https://www.kalinueot.com