Soft Cervical Collar allows for the treatment of minor injury, or can be used in the transition from a Rigid Cervical Collar. The Plastisol-coating is waterproof, easy to clean and prevents bacterial growth. It is also used by emergency personnel for those who have had traumatic head or neck injuries.
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Corn smut disease prevention and control technology
Corn smut, commonly known as melanoma. The occurrence of very common and very serious diseases on corn, the general incidence rate is about 50%, and the incidence of severe land can be as high as more than 60%. Corn smut 1. Symptoms of the disease: Tumors, ear, male inflorescence, leaves and grains are mainly produced in different sizes. Cracked, shed a large amount of dark brown powder (Bacterial chlamydospore). After the ear is infested, the grain is not full, and even the entire ear becomes a melanoma and no heading. When the leaves and stalks are damaged, rice or bean-sized nodules are formed, causing the diseased plants to produce dwarfism. 2. Causes of the disease: The pathogens overwintered in the soil, on the soil surface, and on the diseased straw by the chlamydospore, which became the primary source of infection for the onset of corn in the following year. The pathogenic spores spread by wind and fell on various parts of the corn plant. In general, the incidence of high-temperature, high-humidity, heavy sorghum, corn borer damage and corn plant damage is higher. 3. Control methods: 1 Select varieties with strong resistance to disease; 2 Remove the diseased plants as soon as possible before the tumors of maize plants have matured, and clear them out of the field; 3 Perform more than three years of rotation to reduce the invasion of pathogens. Dyeing opportunities; 4 application of fermented and decomposed organic fertilizers; 5 Before and 10 days before corn picking, spraying with 50% of Faire’s double wettable powder 500-800 times can reduce the reinfection of smut. It can also be sprayed with 1% Bordeaux mixture, which can play a protective role.