There are two main types of corn smut: corn smut, and corn smut. The two main diseases are the pathogenic seeds, and the secondary infections are sick soils. Relatively speaking, the danger of corn smut is much more serious, and corn smut is less harmful to production. The symptoms of head smut in corn are usually not shown in the growth stage. The growth of corn is normal, but it focuses on the damage of male and female spikes. The infected plants are usually leaner. On the male flower (Tian Sui), the disease was mild, and some small flowers distorted into the foliage, and all the serious flowers distorted into the leafy tussocks. The internal tissues turned into black powder, and the messy silky pieces remained after the black powder was scattered. The onset of the ear, the grain becomes a leafy plexus, or the whole ear becomes a large black powder bag. After the powder has dispersed with the wind, the residue remains the same as the turbulent hair. Particularly serious plants become whole leaves. In short, as long as you have smut corn, there will be no yield at all. Dispersed black powder (spore of pathogenic bacteria) can survive in the soil for many years and become the source of infection in the second year. Corn tumor smut (ash bag) may grow abnormally in all parts of the plant. The early tumors are gray and white, and later become dark. The tumor is filled with black powder. Larger tumors in production can be removed. The two basic methods for the prevention and control of diseases are drug seed dressing: 15% of powdered Xiu Ning with seed weight of 0.3-0.4%, secondary seed dressing of commercial seeds, prevention of corn head smut, must be mixed with seeds Seed dressing (re-mixed with 0.4%, 50% carbendazim), only triadimefon is not effective. For plots where head smut has previously occurred, the soil of the above two drugs should also be used. When the seeds are sown, the seeds are placed on the upper and lower covers. Azelastine Hydrochloride Intermediate,Azelastine Hydrochloride,Azelastine Hydrochloride Api,Azelastine Hydrochloride Cas 79307-93-0 Shandong Bolode Bio-technology Co., Ltd. , https://www.bldpharma.com