What if the leaves of the dragon blood tree turn yellow?

Dragon blood tree, also known as narrow leaf dragon blood tree, long flower dragon blood tree, etc., for tequila family dragon blood tree shrub plant, strong adaptability to light, in the dark indoor can be continuously watched for 2 to 4 weeks, bright indoor can be placed for a long time, medium and small potted flowers can decorate the study, living room and bedroom, large and medium-sized plants can beautify, decorate the hall, let's take a look at the dragon blood tree leaves yellow how to do!

Lack of light

[reason] Dragon's blood tree not only likes a warm, humid and sunny environment, but also can withstand shade. However, if placed in too shady environment for a long time, it will also cause the leaves to fade.

[method] put the flowerpot on the southeast windowsill to make it fully exposed to the sun.

The temperature is too low

[reason] the dragon blood tree likes warmth and is not resistant to severe cold. The most suitable growth temperature is 20-28 degrees Celsius. If the summer temperature exceeds 32 degrees Celsius or the winter temperature is lower than 15 degrees Celsius, the tree will be dormant or semi-dormant. The temperature is too low, because the root system does not absorb enough water, the leaf tip and leaf edge will appear yellowish brown patches.

[methods] keep away from the air conditioner in summer to prevent the temperature from being too low and cause physiological diseases.

Disease and insect damage

[reason] keep the dragon blood tree on the balcony or indoor windowsill for a long time, it is easy to grow red spiders. Dragon blood tree suffered from its harm, the leaves faded, chlorophyll was destroyed, the surface appeared dense small yellow spots, small macula, and gradually atrophied, yellowed, withered, serious shedding, losing its due ornamental value.

[methods] Red spiders often hide on the back of branches and leaves or in dense places, so it is easy to catch them manually. If it is treated with chemical agents, 20% trichloroacarol emulsion can be added to 1000 times of water to make a solution spray, which has a good killing effect on adults, nymphs and eggs.

Soil discomfort

[reason] Dragon blood tree likes loose, good drainage, humus nutrient-rich soil, soil pH is not suitable will lead to dragon blood tree leaves yellowing.

[methods] Dragon blood tree likes acidic soil, which can be adjusted by ferrous sulfate or sprayed with foliage.