What to do if the tips of Mo Lan leaves turn black

1. First, cut off

When you find that the tips of the leaves of the Mo Lan turn black, you must first cut them off decisively and cut them thoroughly without leaving any section. Otherwise, it will not only affect the appearance, but will also infect other leaves.

2. Spraying drugs

If the leaves are covered with a layer of black powder in autumn, it may be infected with black spot disease. In this case, you can increase light stimulation to allow sunlight to kill the fungi and spores above. You also need to spray pesticides. You can use a 1000 times solution of 50% carbendazim powder, or thiophanate-methyl, thiophanate-methyl, or meconium-methyl. If the situation is more serious, you can spray more times.

3. Change the maintenance method

1. Pay attention to keeping warm: If the leaf tips turn black, it may be because the temperature is too low. You can increase the surrounding temperature to avoid frost damage.

2. Apply water correctly: Improper water application is also one of the reasons. You can apply water correctly. If there is too much water, you need to control the water, and if there is drought, you need to supplement water.

3. Appropriate sunlight: The stimulation of sunlight is also one of the reasons. You can provide appropriate sunlight. Do not place it under strong light in summer and give it more exposure in winter. Normal sunlight is helpful to the health of the plant.