Potted moonflower leaves yellow, leaf drop causes are mainly improper watering, improper fertilization, viruses, etc., the specific reference is as follows:

A, improper watering

There is a difference in the yellow of too little water and too much water, the yellow of the less water is manifested in the tips or edges of the leaves are dry, withered, the old leaves are yellow and shed from the bottom upwards, and the new leaf growth is relatively normal; if the young leaves are dark yellow, no luster, the old leaves change is not obvious, the branches and trunks are thin and yellow-green, and the new leaves grow relatively normal. The growth of new leaves is relatively normal; if the young leaves are dark yellow, no luster, the old leaves change is not obvious, the branches and trunks are thin and yellow-green, the growth of new growth abnormally shriveled, which means that the watering is too much.

Prevention methods: watering, pay attention to "not dry not watering", watering to water through, to ensure adequate water; if the watering is too much, you need to take the plant off the pot and put it in a ventilated shady place, such as soil drying and then back into the pot.

Two, improper fertilization

Prevention methods: early growth of fertilizer is best to be diligent in the application of light fertilizer to the application of composite fertilizers, the use of holes or watering method. Do not apply unrotted organic fertilizer and large doses of chemical fertilizers, these two fertilizers will burn the root system, resulting in wilting and death of the plant.

Three, viral yellow leaves

If the roots and branches of the moon season is affected by viruses, this symptom will occur, the leaves are not stretched and will be accompanied by yellowing, seemingly lack of vitality.

Control methods: can be sprayed with solvents such as virus grams and Ketoxolol, but the main focus is on comprehensive maintenance management, strong plants will have a strong resistance.