Recently, it was found that the watercress Cyclotus japonicus in the community was growing poorly. I do not know what the main reason was. The yellow leaves seemed to be dead. How can we solve this problem? Cyclovirobuxine usually occurs in those pests and diseases. When did it happen? Does the boxwood ball show one half of the dead and half of it? Do not know what is the reasons of that?
May be blight of Euonymus japonicus. Symptoms: The diseased Euonymus japonicus was initially only individual branches and leaves of the whole plant were blue and dry, and the leaves were yellowish-white at the late onset. Severe infections resulted in plant death. Prevention methods; 1. Strengthen the inspection of the epidemic to prevent diseased plants from entering the non-epidemic area; 2. Strengthen the management of fertilizer and water, increase the resistance of plants, and the cultivation site should be kept moist, but water should not be accumulated; 3. If it is found that the diseased plants should be timely The diseased plant is removed and destroyed. The cultivated land can be sterilized with 75% chlorothalonil 600 times per square meter. The dosage is 5-6 kilograms per square meter. Continuous watering 3 times, 5 days apart, sulfur powder 0.5 kg can also be used. Mix well with the soil and disinfect it; 4. For non-infected plants, use 50% carbendazim 500 times solution or 1% iodine 800 times solution to control the spray alternately for 2 to 3 consecutive times. 5 to 7 days.
The watercress of Cyclovirobuxine is a evergreen shrub of the genus Cyclovirobuxine, while the euonymus is a evergreen shrub of the genus Euonymus. According to information, the main diseases of Euonymus japonicus in the process of growth and development are anthrax, brown spot, scab, powdery mildew and so on. The main disease of the watercress boxwood is sooty disease. At present, 2 or 3 kinds of fungicides can be used to control plant diseases on the market, and rotations are sprayed.
May be blight of Euonymus japonicus. Symptoms: The diseased Euonymus japonicus was initially only individual branches and leaves of the whole plant were blue and dry, and the leaves were yellowish-white at the late onset. Severe infections resulted in plant death. Prevention methods; 1. Strengthen the inspection of the epidemic to prevent diseased plants from entering the non-epidemic area; 2. Strengthen the management of fertilizer and water, increase the resistance of plants, and the cultivation site should be kept moist, but water should not be accumulated; 3. If it is found that the diseased plants should be timely The diseased plant is removed and destroyed. The cultivated land can be sterilized with 75% chlorothalonil 600 times per square meter. The dosage is 5-6 kilograms per square meter. Continuous watering 3 times, 5 days apart, sulfur powder 0.5 kg can also be used. Mix well with the soil and disinfect it; 4. For non-infected plants, use 50% carbendazim 500 times solution or 1% iodine 800 times solution to control the spray alternately for 2 to 3 consecutive times. 5 to 7 days.
The watercress of Cyclovirobuxine is a evergreen shrub of the genus Cyclovirobuxine, while the euonymus is a evergreen shrub of the genus Euonymus. According to information, the main diseases of Euonymus japonicus in the process of growth and development are anthrax, brown spot, scab, powdery mildew and so on. The main disease of the watercress boxwood is sooty disease. At present, 2 or 3 kinds of fungicides can be used to control plant diseases on the market, and rotations are sprayed.
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