Main diseasesThe main disease that this plant encounters is branch dieback. Once the disease occurs, even the most beautiful plants will change their appearance. When you see the name of this disease, Emei, you can tell that the branches of the disease are gradually withering. Indeed, when the disease occurs, brown spots will appear on the twigs, with black spots on them, and then they will gradually wither. But how does this happen? It is mainly caused by bacterial infection, namely the conidiophores of the pathogen, which then further invade the plant. Prevention and treatment measuresBefore planting, be sure to choose disease-resistant varieties to avoid them becoming diseased due to their own lack of resistance. It also allows disease-resistant varieties to reproduce well. Even if you have chosen the right variety, you still need careful care during the planting process. First of all, it is necessary to add organic fertilizers in a timely manner, which can improve their own ability to resist pathogens. When there is too much rain, the water must be drained in time. If the water is not drained in time, the roots will easily rot, and the chance of disease will increase. Once the disease is discovered, be sure to cut off the diseased branches in time and do not discard the branches at will, so as to reduce the probability of them spreading. Therefore, it is best to choose to burn the diseased branches and completely destroy these diseased branches. Before the disease becomes widespread, it is necessary to take preventive measures by using pesticides. You can use acaricide once every half a month to eliminate the bacteria that have overwintered. In addition, after the disease has occurred, you can use a certain dose of fungicide to prevent and control it after removing the diseased branches. |
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