1. Infection with powdery mildewReason: Black Magic is rarely infected with powdery mildew, but if there are succulents infected with powdery mildew around it, it may be infected. At first, white spots will appear on the leaves. Then, as the disease progresses, the spots will gradually expand and connect together. White hyphae will also appear on the spots, eventually causing the leaves to fall off. Solution: Strengthen ventilation and take preventive measures. Do not water at night to avoid water accumulation between the leaves. If the situation is very serious, special pesticides need to be sprayed. Fungicides such as Bailitong and Fenbuconazole can have a good effect. 2. Infection with scale insectsReason: The leaves of Black Magic Plant look like they have white spots. It may also be infected by scale insects. Their eggs will attach to the leaves, like white spots, which seriously affect the ornamental value. Solution: If the disease has just started, you can remove it manually first, using tweezers, toothpicks and other tools to remove the pests. If the situation is already serious when you discover it, you can wipe the leaves with 75% alcohol. However, if you want to completely remove it, you need to spray it with pesticides. |
<<: The reason why the leaves of black magic are too long
>>: The reason why the leaves of anthurium zoom
Osmanthus loves the sun Osmanthus likes sunlight ...
Rooting growth conditions The suitable temperatur...
The reason why the leaves of five-color plum turn...
Can mancozeb be used to water succulent plants? M...
1. Lighting When cultivating the Diamond Jade pla...
Venus Gold is an excellent apple variety bred by ...
Fig , as a fruit tree with rich nutrition and uni...
Can the ground juniper be transplanted in autumn?...
Clivia is favored by many flower lovers because o...
1. Main ingredients 1. Humus soil: Humus soil is ...
Is growing grapes profitable? If you master the c...
Division propagation The underground stems of Haw...
Soil selection: Choose moist sandy soil rich in o...
Black Bean Growth Introduction Black bean is an a...
The rose cuttings sprout first and then take root...