大姜生产中常常遇到高温、肥害、营养不良等造成的生理性病害,部分农民往往当侵染性病害来治,不仅贻误防治时机,增加防治成本,而且造成农药残留,大大降低产量和品质。现介绍几种常见生理性病害症状、发生原因及防治方法。 Some ginger farmers often encounter physiological diseases caused by high temperature, fertilizers and malnutrition. Some peasants often cure infectious diseases, which not only delaying the prevention and control of the disease, but also increase the cost of prevention and treatment, and cause pesticide residues, greatly reduce the yield and quality. Now introduce several common symptoms of physiological diseases, causes and prevention methods.