Room lemons — culture, quite popular with fans of house floriculture. It is known that the smell of citrus possesses the toning action, and leaves of these plants emit the substances purifying air from some pathogenic microbes. However, can it happens so that at this beautiful and useful plant begin to turn yellow and fall down leaves. Violation of agrotechnology or disease can be the cause of it.
The possible reasons of subsidence of leaves at lemons it is recommended to the room to grow up grades of lemons which are specially removed for such conditions of keeping. If at externally healthy, recently acquired imparted plant the unplanned autumn leaf fall, perhaps has begun, it is the grade intended for the open ground or wintering in cold greenhouses. The room lemon which is grown up in other weather conditions can dump leaves in the course of acclimatization too. In the same way the plant moved from shadow on light can react. One of common causes of subsidence of leaves not only at lemon, but also at many other houseplants, is insufficient air humidity. The neighbourhood with hot central heater does not do well to plants. Overcooling of roots can serve one more of the possible reasons of subsidence of leaves of lemon. Roots of plant can overcool even in well heated room if the pot with lemon costs on cold windowsill. The same can happen if to water plant with cold water. Rotting of roots in the rehumidified soil – one of the possible reasons that the lemon has dumped leaves. The most unpleasant of the possible reasons of subsidence of leaves at lemon – infection with shchitovka, putinny tick or scab. In this case on plant there are outgrowths and spots, leaves turn yellow and fall down. Ways to save rasteniyeesl it has become clear that the plant belongs to the grade intended for cold wintering it should provide suitable conditions. The lemon can be transferred to the place with temperature from six to eight degrees and to reduce watering. In certain cases, if the high-quality lemon is imparted on winter-hardy deciduous trifoliata, flower growers manage "to deceive" plant additional illumination. To the plants having stress because of sharp change of temperature, humidity and the mode of lighting it is possible to help, having sprayed them with solution from one ampoule of "Epina-ekstra" in five liters of water. The lemon standing all summer in the open air it is necessary to accustom to the enclosed space gradually. The lemon which was injured because of dryness of air needs to be sprayed with otstoyanny water. Air humidity indoors where there is this plant, has to be within sixty-seventy percent. At maintenance of such conditions the risk of infection of lemon with shchitovka will decrease. The plant with the decayed roots should be replaced in new soil mix from one part of coarse sand, the same amount of humus, two parts cespitose and two parts of the sheet earth. The lemon should be protected from drafts. At lemon infection with web tick or shchitovka it is possible to spray plant with solution of the medicine "Fitoverm" at the rate of two milliliters of medicine on water liter. It is recommended to do it in the open air.