Situation of Potato Common Scab Disease in Iran

: Common scab disease of potato has been reported from all of the potato growing regions of the world. Potato scab is one of the serious diseases of potato in Iran. Integrated disease management program on reducing the potato scab in the country, needs to verify the key factors affecting the occurrence and spread of the disease. Growing the potato plants in a soil with a neutral pH with a constant moisture, sprinkler irrigation, crop rotation and a good weed control program, especially against convolvulus, are effective methods for disease control. The use of organic fertilizers and the use of resistant varieties are recommended also. The importance of the bacterial scab of potato, distribution and intensity of infection, disease symptoms, factors affecting the disease severity, disease cycle, response of the common potato cultivars to the disease, the dominant causal bacterial species in Iran and integrated management of disease that were carried out in Iran and other countries, are described in this article.

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