Potato black shank disease is an important disease that damages the potato. It can occur throughout the whole growth period. It mainly damages the stem base and tuber of the plant, resulting in defoliation and tuber rot in the field. The disease is characterized by early onset and pathogenesis. Fast, high mortality, difficult to control. According to the harmful symptoms and the regularity of potato black shank disease, prevention and control measures were proposed. Symptoms of the disease The disease can occur from the seedling stage to the later stage of the childbirth, and it mainly damages the plant stem base and tubers. The regularity of the disease is the disease caused by bacteria. It is spread by seed potatoes and the soil is generally not borne by bacteria. Diseased potato and incompletely rotted diseased potato in the field are the primary sources of disease infestation. Cutting the seed potato with a knife is the main way to spread the disease. Disease conditions The degree of occurrence of diseases is closely related to temperature and humidity. When the temperature is high, the disease is heavy, high temperature and high humidity, which is conducive to bacterial proliferation and harm. Soils with heavy soil and poor drainage are favorable for disease development. Viscous heavy soils often have low soil temperature and slow plant growth, which is not conducive to the formation of host tissue corky, and reduces the ability to resist invasion; viscous heavy soil moisture content is beneficial to Bacteria reproduce, spread, and invade, and therefore the incidence of viscous heavy soils and low-lying plots is severe. Hand massager Hand massager Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com