Rhododendron in the growth period, easy to suffer from leaf blight, brown spot disease and other diseases, in the early stages of the onset of the root system will gradually discoloration, the leaves will slowly wither, it is best to thoroughly disinfect the pot when changing pots, with the appropriate amount of potassium permanganate solution will be the diseased parts of the cleaning once, with a dilute tolbutamate wettable powder or carbendazim solution for spraying prevention and control.

1, leaf blight

As a result of the azalea when warm and humid flowering plants, easy to suffer from leaf blight during the growth period, during the onset of the leaves will gradually wither, the root surface will appear brown patches, and gradually rotting and peeling, it is best to turn over the pots of the soil for thorough disinfection, keep the potting soil in a good condition, and keep the soil in a good condition, so as to ensure that the soil can be used for the treatment. The best thing is to sterilize the soil thoroughly before turning over the pot, keep the potting soil with good looseness, and if it is serious, you can use dilute Tolbutzine wettable powder spray to prevent and control it.

2, brown spot disease

Brown spot disease is also one of the azalea disease, this kind of disease is more harmful, the initial period when the surface of the leaf will be a lot of brown spots, later will gradually become bigger, resulting in the withering and death of the plant, it is best to care for the strengthening of the indoor air circulation in the usual way, which is the azalea disease and the basic conditions of control methods. This is also the basic condition of the azalea disease and prevention methods, after the onset of the disease can be used disinfectant solution to clean the diseased parts of the plant, and then sprayed with a solution of carbendazim to prevent and control the disease.

1, often see the light

Azalea growth in sunny environments, it is more favorable to its growth and development, but also to avoid the production of disease, in the growth of the period should be often to let the plant see the light, can not be placed in too dark environment for a long time, especially in the high temperature and high humidity, usually in the best indoor balcony. It is usually best to place it indoors on a balcony to minimize disease attack.

2, strengthen ventilation

Azalea disease is generally easy to occur in the high temperature and high humidity environment, especially in the summer time to open the windows and doors to strengthen the air circulation, and each time you watering do not lead to the potting soil stagnant, watering can be appropriate to loosening the processing to facilitate the effective absorption of roots, but also to prevent the accumulation of water. The effective absorption of the root system, but also to prevent waterlogging.