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First of all, do not start your collection with a larger Carnivore range. At first, limit yourself to a maximum of two related genera and expand your collection only after you have the grasp and time for the "intensive treatment" of new varieties.
To the temperature
The plants from different climates need different culture temperatures. Accordingly, the plants from colder home areas should be lowered and vice versa, those from warmer zones higher. Tropical species often overlook nighttime subsidence at the site. During the day, it is very hot and at night there may even be frost during extreme periods. This night reduction can - but does not have to - be vital for the plant. Since it is hardly possible to imitate several distinctly different climatic regions in a showcase or in an undivided greenhouse, in such cases only plants from the same or rather similar climatic zones should be kept. It should always be remembered that the assumption that all tropical plants needed it always warm and wet, is based on ignorance.
Humidity and water
Also for the humidity is that you have to be aware of the climate in the home area. In this context, it should be made clear that while constant high humidity is good for tropical plants, it is rather detrimental to humans. It is expressly advised against converting part of the apartment to a "greenhouse." Certainly carnivorous plants in culture will certainly thrive in slightly lower humidity than in their natural habitat, but this should not be the rule.
High humidity in the showcase or in the greenhouse can be achieved, above all, by keeping the soil moist during the growth period. Wet does not mean dripping wet. Although some of the carnivorous plants tolerate a limited "footbath" well, most do not like "wet feet" at all.
For plants that go through a rest period, substrate into which they are potted should be kept slightly moist during this recovery break.
Carnivorous plants should be watered with deionized water if possible, as the salts contained in normal tap water accumulate in the substrate over time and allow the plants to slowly but surely drown. Wherever possible, rainwater is the first choice. A desalination plant is likely to be too expensive for many carpenters.
It should also be noted that tap water quality can vary widely from location to location. But especially for freshly used plants, the quality of the water can be vital. Weakened imported plants are more sensitive than vigorous specimens that have been in culture for a long time. Because chlorine or fluorine is often added to the tap water, such water should only be used, if at all, if it has been stale for a few days.
Overlooking a necessary rest period will in most cases lead to the loss of the plant. Indications for a rest period are the slowing down of growth, no new leaves are produced, - winter buds are often formed in connection with the dying off of above-ground parts of plants.
The rest period can fall both in our summer and in the winter months. Some carnivorous plants have no defined rest period. Aldrovanda species e.g. For example, if the conditions are met, they can enter the rest stage at any time of the year. Again, it is important to closely observe the plants in cultivation. Plants that naturally undergo a rest period but are "cultivated" in care often show fungal or pest infestation, which can not only result in the loss of said plant, but also endangers other plants Keep cool and relatively dry.
The fertilization is handled differently. While some cultivars never fertilize, fertilizer is often used elsewhere. But if fertilising at all, one should work with very low concentrations of inorganic fertilizers. An over-fertilization leads very easily to the loss of the plants.
The propagation of flowering plants can basically be done in two different ways. On the one hand, the plants can be poorly propagated - by seed, on the other vegetative - by division or by meristem culture. Both methods have advantages and disadvantages and require a very different effort.
With all flowering plants one can harvest seeds. The seeds are produced by the plant after successful pollination. Pollination generally occurs in nature through wind, water or an animal pollinator. Other flowering plants have specialized in self-pollination. As far as known, all carnivorous plants are pollinated by insects.The pollination is done by transferring the pollen to the scar. If it is successful and the pollen is compatible with the mother plant, either harvested and controlled on a sowing substrate, or the capsule is allowed to "ripen" so that the seed automatically spreads to the growing substrate of the parent plant.
Seed germination often only occurs when special conditions are present. So the sowing of the species, which have a clear hibernation at low temperatures, often needs a frost period in order to become germinable. The natural frost period can be replaced in culture by storage in the refrigerator. Basically, the cultivators who do a seed multiplication will know about the crop needs of their plants and choose the appropriate sowing method.
The easiest way is to place the seeds on the substrate of the mother plant and let nature take its course. Another method, which requires more effort, is the targeted sowing on substrates, which were specially prepared for this propagation. Although this requires more work, it is generally more successful in terms of the number of seedlings to be expected.
Targeted and controlled seed multiplication also includes at least one picking operation: The seedlings are transferred in a suitable number into a community pot. Depending on the species also later a Umpflanzvorgang is necessary, the young plant are placed individually in their final culture container. The seed multiplication has the advantage that it is a "normal" process, as it occurs in the wild.
Vegetative propagation is understood primarily as a physical division of the mother plant. The hobby cultivator usually accomplishes this by simply tearing apart larger plants during potting or by cutting the rhizome.
A method of vegetative propagation is the cuttings propagation. For this purpose leaves are best cut along with petiole of the mother plant. With a cutting tool, a longitudinal section through the petiole up to about 1/3 of the leaf blade is performed. The sheet thus treated is then embedded in sphagnum or moist culture medium. At the interface arise young plants. This method is also quite easy to use, but also has the disadvantage that only a limited multiplication rate can be achieved.
This propagation culture is based on the fact that all plants have so-called undifferentiated tissue throughout their life cycle. The cells of this tissue are not fixed to any form or function, which means that one can "produce" a complete plant from each individual meristem cell. But this requires a lot of effort and is hardly suitable for the lover.