Orchid leaves pointed black how to do?
The treatment of orchid leaf tip blackening should be combined with the reasons, strong light sunburn should be shaded and protected, air drying should be sprayed to moisturize and increase humidity, too much watering should be controlled, once every 3-5 days, low temperature freezing injury should be controlled between 15-25 ℃, fertilizer solution should be diluted and thin fertilizer should be applied frequently to make it grow normally.
1. Shade and sunscreen
After the orchid is exposed to strong light, the leaf tip will be sunburned and blackened. It is necessary to move the orchid to a cool and ventilated position in time to make it slowly restore to health, and then carry out astigmatism maintenance to avoid blackening due to lack of light.
2. Spraying water to moisturize the air is good because the air is too dry. It is necessary to spray water in the air from time to time to increase the humidity of the air, so that the leaf tips of orchids will no longer blacken due to lack of humidity.
3. Control watering
Too much watering will also lead to the root rot of the orchid and the blackening of the leaf tip. It is necessary to discharge the excess water from the basin soil to keep the soil at a suitable wettability and water once every 3-5 days to allow the orchid to absorb water and grow normally.
4. The orchid, which is lack of good cold tolerance due to low temperature in winter, should be placed indoors to increase the temperature and keep the room temperature at about 15-25 ℃ to avoid poor growth after the leaf tip blackens due to freezing injury.
5. Rational fertilization
Orchids in the growth process of the application of too much fertilizer will also cause it to burn roots, the tip of the leaves begin to blacken. It is necessary to water and dilute the fertilizer solution, and treat the root, and then apply thin fertilizer frequently to replenish nutrients reasonably.
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