Potted plants, like people, unfortunately, are prone to disease. If you live dracaena - this is a beautiful and unusual plant, then you need to know what diseases it can affect, methods of their treatment and prevention.
Infectious diseases dracaena
If the leaves dracaena appeared elongated spots, light brown with a dark border around, which means she got sick with heterosporaz. Usually, an olive bloom appears on top due to fungus sporulation. For treatment requires spraying fungicides.
Phyllosis disease appears on the leavesirregular patches of pale brown with yellowish-green border, then small black dots appear. Usually it affects aging and adult plants with a lack or excess of moisture in the air or soil. It is necessary to apply fungicides.
Spots on leaves with brown longitudinal linescaused by viral disease of tomato spotted wilting. Dracaena begins to lag behind in growth, and young leaves are deformed. The affected parts of the plant must be destroyed.
Why do spots appear on the dracaena?
- If a brown edges appear on dracaena and leaf tips dry out, This indicates a lack of humidity. Therefore, try to spray it regularly, and carefully make sure that the earthen ball does not dry out. You should also avoid the occurrence of cold drafts, which can also cause the appearance of such stains.
- If a shoots dracaeni begin to dry out, and the leaves crumble, the flower is experiencing hypothermia and constant overflow. The roots of dracaena begin to rot, which causes leaf fall. The resulting rot can go on and on the flower stalk, so that this does not happen, conduct cuttings.
- A sign of a lack of nutrition in an adult dracaena is weak growth and blackening of the tips of the leaves. This may be due to the lightness of the soil, the lack of peat and humus, or the fact that it is clay and heavy, shrinking and poorly wetted. Help here can be transplanted into the ground, consisting of equal parts of leaf and sod land, sand and peat, or in a special earth mixture for flowers.
- Sometimes dracaena leaves begin to rot from the top. The damaged area becomes watery brown in color; from the healthy part of the leaves is separated by a green stripe of the softened area, which has not changed color. These symptoms are very similar to the disease of bacteriosis, although it is noticeably yellow edging. The cause of decay is the lack of lighting, heat and systematic waterlogging. It is impossible that the roots of dracaena soak in the dirt or in the water. Also, the roots of the flower need to provide air access, so the soil should not be dense or heavy. Measures to combat such rot include the removal of damaged leaves and the creation of optimal conditions for flower development.
- Wet spots of brown color on draceni, which after drying out, indicate the receipt of dracaena sunburn. So, it must be removed to a place where there is no direct sunlight.
- If it is cold in the room or the flower has been frozen under the window leaf, leaves become lifeless, dull and hang. To save it, spray it with warm water and place it in a warm place. Also look at the roots of dracaena, they could rot, then they need to be removed, and a flower transplanted or rooted at the top of its head.
- If the dragonflower has not been transplanted for 4 years, then salts accumulate in the soil, which can lead to blackening and drying of young leaves. Also, an overdose of fertilizers can cause the same effect. In this case, replace the land immediately and transplant the dracaena.
- Drying of the leaves and their acquisition of yellow color is associated with the natural death of the lower leaves. To dracaena did not lose the decorativeness, the tips of the yellowing leaves need to be cut. The yellowness of the young leaves indicates insufficient or excessive watering. Water the dragon flower when the earth dries dry only on top.
Dracaena can be damaged by a shield, thrips, nematode, leaf spot, spider mite, mealybug and black soot..
- Shchitovka manifested brown plaques covering the surface of the stems and leaves of dracaena, sucking on cell sap. The leaves begin to dry, lose their color and fall off. To clean the leaves of pests, wipe them with a soapy sponge. After that, spray dracaena flowers. To do this, dilute 2 ml of actellica in 1 l of water and use a spray bottle for flowers.
- Trips on dracaena occurs due to low humidity and high temperature. Light dots appear on the upper leaves of the dragon, and on the lower thrips lays numerous colonies. As a result, the upper side of the leaves of the dracaeni acquires a grayish-brown color with a silvery sheen. To combat thrips, dracaena should be sprayed with insecticides, actellic, fitoverm, inta-vir, decis will do. Spray several times until full recovery.
- Dracaena is sometimes affected by aphids. It damages the tops of the shoots and leaves from the underside. Damaged parts draped discolor, leaves turn yellow, curl and fall. To combat aphids, spraying fitoverm, derris, decis and other insecticides should be used. If dracaena is severely affected, repeat the processing again.
See also:How to get rid of thrips on houseplants?
Dracaena can suffer from pests, infectious diseases and the appearance of stains that are caused by physical causes: lack of minerals, heat or the presence of too dry air. In nature, dracaena grows in the tropics and subtropics and is used to humid air, immediately reacting to its lack. Ensuring the dracenene correct care, You can prevent stains, pests and diseases.