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Succulents disease

Main diseases

Succulents are among the most resistant, in particular to adverse climatic conditions such as very high temperatures, environmental humidity and even very prolonged periods of drought. However, this does not mean that succulents are not as prone to disease as other plants. The main enemies are primarily climatic: it is exposure to air currents and harsh climates, which are very poorly tolerated by succulents, as well as an excessive presence of water with relative water stagnation, which can cause rot roots. Poor lighting is also a problem when it comes to the growth and development of succulents, as they need plenty of light. The climatic conditions are therefore very important for the cultivation of these particular plants and particular attention must be paid, taking into account the fact that outdoor cultivation is not possible in all of Italy, precisely because of the different climate compared to their areas of origin. However, succulents are not even exempt from the attack of real diseases and parasites, which are sometimes difficult to recognize.

Symptoms


Succulent plants usually have a large stem but the leaves, if present, are succulent, while more frequently the leaves have undergone an evolution into thorns, so it can be more difficult than with other plants to recognize the presence of parasites. usually evident due to the appearance of different colored spots on the leaves. Among the parasites, the cochineal is the one that most frequently can affect succulents and manifests itself with oval-shaped and dark-colored spots on the stem of the plant. An irregular growth, with a very elongated and thin stem, is more likely an indication, instead, of an incorrect cultivation, due to poor light or insufficient water. Likewise, the presence of a whitish mold at the base of the stem does not identify the presence of parasites but signals some error from the point of view of cultivation, with the presence of stagnant water or in any case excessive water. The roots, in this case, are at risk of rotting: this symptom can be anticipated by yellowish spots, always concentrated on the lower part of the stem. Errors in cultivation can also manifest themselves with the wrinkling of the stem, present in particular in the case in which the soil is too poor in nutritional elements. Poor nutrition and insufficient lighting are also signaled by a scarce or absent flowering in the expected period, while holes in the tissues are usually the work of the oziorrinco, a particularly aggressive beetle with succulents. they are at risk of rotting: this symptom can be anticipated by yellowish spots, always concentrated on the lower part of the stem. Errors in cultivation can also manifest themselves with the wrinkling of the stem, present in particular in the case in which the soil is too poor in nutritional elements. Poor nutrition and insufficient lighting are also signaled by a scarce or absent flowering in the expected period, while holes in the tissues are usually the work of the oziorrinco, a particularly aggressive beetle with succulents. they are at risk of rotting: this symptom can be anticipated by yellowish spots, always concentrated on the lower part of the stem. Errors in cultivation can also manifest themselves with the wrinkling of the stem, present in particular in the case in which the soil is too poor in nutritional elements. Poor nutrition and insufficient lighting are also signaled by a scarce or absent flowering in the expected period, while holes in the tissues are usually the work of the oziorrinco, a particularly aggressive beetle with succulents. present in particular when the soil is too poor in nutrients. Poor nutrition and insufficient lighting are also signaled by a scarce or absent flowering in the expected period, while holes in the tissues are usually the work of the oziorrinco, a particularly aggressive beetle with succulents. present in particular when the soil is too poor in nutrients. Poor nutrition and insufficient lighting are also signaled by a scarce or absent flowering in the expected period, while holes in the tissues are usually the work of the oziorrinco, a particularly aggressive beetle with succulents.

Prevention


As we have seen, many of the disturbances that can be manifested in succulents originate in adverse cultivation conditions: a good form of prevention, in this case, is therefore constituted by attention to the correct environmental and climatic conditions to which the succulents are exposed. Since succulents are very sensitive to cold, cultivation is recommended in pots, in order to be able to move the plants at the beginning of the bad season and take them to sheltered and sufficiently warm places. It is also important to periodically check the health of the plant: prevention passes precisely through the careful control of the plant, which through an anomalous development or the presence of spots or small holes can indicate the presence of suffering caused by deficiencies, hostile environment or from attack by parasites: being able to notice it at the initial stage is the first step to ensure the seedling heals. During the recovery period of the vegetative cycle and in the flowering period, the health of succulents can be promoted by using a specific fertilizer, in order to enrich the soil with all the necessary nutritional elements. It is possible to resort to pesticides as a preventive measure, although it is advisable to select a suitable and not too aggressive product. in such a way as to enrich the soil with all the necessary nutritional elements. It is possible to resort to pesticides as a preventive measure, although it is advisable to select a suitable and not too aggressive product. in such a way as to enrich the soil with all the necessary nutritional elements. It is possible to resort to pesticides as a preventive measure, although it is advisable to select a suitable and not too aggressive product.

Succulents Disease: Care of Succulents


The various disturbances of succulents that are linked to adverse climatic and environmental conditions are easily solved, provided that action is taken in time, at the onset of the first symbols. If the plant has a too thin and elongated development, for example, restoring the optimal climatic and environmental conditions will allow the resumption of a less anomalous growth and the resumption, if absent, of flowering. Particular attention must be paid to the presence of mold: succulents suffer in particular from excess water in the soil and water stagnation, therefore it will be important to intervene at the first signs, otherwise the risk is that of not being able to solve the problem. situation. For succulent leafy succulents, if the parasite attack is localized it will only be possible to eliminate the affected leaves, while if the infestation is more extensive it will be necessary to resort to chemical control; It is possible to use soap-based insecticides, which are less aggressive for the plant. Against the oziorrinco, on the other hand, it is important that the repotting soil is of excellent quality and fresh, and that it does not contain larvae of this aggressive beetle.

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