The disease is a devastating disease of cockscomb, with a high incidence. At the beginning of the stem disease, watery, dark green irregular spots appeared in the diseased part, gradually expanding and spreading upward. When the disease is heavier, the stem of the whole Celosia is black. When the petiole is infected, the leaves are drooping, and when the environment is wet, the disease part produces sparse white mold. When the disease is more serious, it causes a large number of plant deaths.
Prevention and treatment should be based on prevention and rational close planting to improve ventilation and light transmission and reduce the growth of pathogens. Do a good job in water and fertilizer management. When watering, pay attention to avoid leaf surface watering to reduce the splashing of soil onto the leaves and cause pathogen infection. It was found that the diseased plants were removed in time and brought out of the field for burning, and the whole garden was sprayed with tree guards and disinfectants for disinfection to reduce the spread of germs. The field with heavier onset should be treated with targeted fungicides in time, and mixed with new high-fat membranes to increase the control effect. According to the incidence of cockscombs, spray 2-3 times as appropriate to effectively prevent and control the disease.
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