Carrot rot disease prevention and control

Radish soft rot is a common radish disease caused by the infection of soft rot of the European soft rot of Carrot soft rot. After the radish root, the radish completely loses its commercial value and food value. In recent years, after entering the rainy season, the incidence of soft rot of radishes is more serious and should be guarded. Long-term continuous cropping leads to an increase in pathogenic bases in the soil. Due to the continuous cropping in radish cultivation, the number of pathogenic bacteria in soft rot in soil increased year by year, which is the basis for the occurrence of radish soft rot disease. What is even more serious is that some vegetable farmers directly cut down a large number of diseased radishes with no commercial value and turned them into vegetable fields as fertilizers. As a result, the rapid increase in the number of bacterial pathogens caused by soft rot in the soil led to the outbreak of radish soft rot. There is more rain and soil moisture. The cultivation of radish in the rainy season provides a good humidity environment for the proliferation of pathogenic bacteria due to the high rainfall and high soil moisture. The raindrops, which hit the radish disease department and formed splashing raindrops, can directly spread the pathogenic bacteria of soft rot. This is the main external cause of the rapid outbreak of radish soft rot in the rainy season. Cracking roots and soil pests have aggravated the occurrence of soft rot. According to the survey, the heavy rot radishes are often the plots where the heavy rot radishes. The prominent cracking phenomenon and the heavy damage caused by the underground pests are another important reason for the frequent occurrence of carrot rot. Because the pathogenic bacteria mainly invade through the wound, and the roots of the roots and various underground pests will damage the surface of the radish roots, it will create conditions for the invasion of pathogenic bacteria, and the pathogenic bacteria of radish soft rot can also be transmitted through pests.

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