Piante grasse cactus spine

Tag: parasites

Two useful products for keeping succulents healthy: Neem oil and copper oxychloride

Many cactus and succulent enthusiasts are convinced that the cultivation of these plants necessarily involves the use of chemical products against diseases and parasites. Others consider the use of these products simply as a component of cultivation to be used in certain cases; still others are not too subtle and at the cost of having healthy plants are willing to destroy their lungs, massacre bees and poison the environment. Talking to them is as useful as trying to convince an agoraphobic to take a walk in a desert. But these people, after all, grow for collection and not for love of Nature or a sincere passion for plants. This article, the result of my personal experience and therefore not to be considered as a “lesson” in an absolute sense, may be useful to everyone else. The experience has led me to drastically reduce the use of so-called “phytopharmaceuticals” or “phytosanitary products” (which do not include fertilizers), especially toxic and synthetic ones. I have undertaken this path for some years now for reasons of health protection (mine first and foremost) and the surrounding environment, considering that many pesticides have, among the various side effects, that of killing bees. The issue relating to the death of bees may seem of little importance to the uninformed, but in reality it has enormous importance on a global level from an environmental point of view.

Let’s see in this article how it is possible to reduce the use of pesticides and fungicides, limit ourselves to products with low environmental impact such as Neem oil and copper oxychloride and still have strong and healthy cacti and succulents. (…)

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Cactus without roots: how to save the plant and which soil to use to get it back to full health

Cacti can be capricious plants, expecially because of their roots. It can happen, in fact, that despite all the cares we dedicate to one of our succulent plants, it stops growing, stops producing thorns and flowers and, in the space of a few weeks (or months, in some cases), begins to deteriorate, deflating and turning yellow. At the origin of this phenomenon, not always a pathology exists, as a bacterial attack that can cause the rot. In the same way, the cause may not necessarily be due to a parasitic attack. If you look closely at the plant, for example, you might not find any traces of spider mite or mealybug, the two main pests of succulents. With experience I have learned that when a plant, even apparently healthy (i.e. not affected by parasites or bacteria) and grown in the best conditions (light, air, watering, soil, etc..) begins to deteriorate deflating and yellowing despite watering, it is always better to remove it from the pot and check the health of the root system. More often than we might think, the problem can hide just there, below the collar.

In this article we will see everything we can do to save a cactus or a succulent plant in evident difficulty or when, after having flared it, we realize that it has lost all or part of its roots. (…)

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Summer is coming: seasonal care for cacti and succulents, watering and aestivation

Summer is a relatively quiet season for those who grow cacti. Things to do, in fact, are not that many. Preventive treatments have already been done, and repotting, although repotting can be done at any time if necessary, should be suspended at this time, when the plants are in vegetation and in full bloom. Fertilizations should also be stopped at this time, confining them to spring and September. Overall, the bulk of the work in the weeks from mid-June through August focuses on watering, which will need to be calibrated according to the species being grown. In some cases, with certain plants, it will be appropriate to suspend them altogether to avoid stagnation and rot. Indeed, there are plants that vegetate well even in these months and plants that slow down their vegetation. Still others, in the warmer months, such as July and August, stop vegetation altogether to resume growth at the time of September, as soon as the maximum temperatures have dropped slightly. This phenomenon, the halting of vegetation coinciding with the hottest weeks, is called “summering,” and it is good to know its effects to avoid risks in cultivation.

In the following article we look in detail at what we have to do in the run-up to summer to best prepare cacti and succulents and avoid problems. (…)

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Diseases and pests of cactus and succulents: how to recognize them and how to prevent their attacks

As much care as we can give to our cacti and succulent plants, some drawbacks with parasites, pests, infections and fungi can always happen. Unfortunately, it must be considered, particularly if you have many plants. With proper cultivation, however, the problem can be significantly reduced and the number of losses caused by animal parasites and bacteria can be considerably reduced. It may seem obvious, but the first and most effective tool for the fight against pathogens and harmful insects is prevention. Prevention is done through a cultivation regime as natural as possible that respects the cycles and times of plants without forcing their growth. Just in this way cacti and succulents grow healthy and robust to the point of being able to cope with adversities on their own. In the last few years, thanks to natural cultivation and treatments based on pesticides reduced to a minimum, I have no longer observed any attack on my plants by animal parasites. Sometimes I may have some losses due to Fusarium, but they are single specimens, never large scale infestations.

In the following article, we will see in detail what consists of prevention; which are the pests and diseases that can affect cacti and succulents; such as the symptoms of their action on plants, and how to carry out treatment and care in case of problems. (…)

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