What are the methods for propagating orchids by "sweating" old back bulbs
The orchid is one of the Four Gentlemen of flowers and has high ornamental value, and many people grow orchids for viewing. However, orchid propagation requires certain techniques. There is a method of propagating by "sweating" old back bulbs; the method is simple and the survival rate is relatively high. Let's take a look below at the methods for propagating orchids by "sweating" old back bulbs.
I. Methods for propagating orchids by "sweating" old back bulbs
1. Sphagnum sweating method: wrap the old back bulb in sphagnum moss, which is both breathable and well-draining, then plant it in soil, keep it moist, and wait for it to sprout.
2. Sand pot sweating method: the sand pot method for sweating orchid old back bulbs is relatively simple. Whether the old back bulb has leaves or not, insert it directly into a sand pot, leave the stem generally outside the sand to keep it breathing, keep the pot soil moist, place it in a shady spot, and keep the surrounding environment humid. Generally, if the old back bulb itself has no problems, it will sprout.
3. Casual sweating method: the most casual of the methods for propagating orchids by "sweating" old back bulbs, which we call the casual method, generally carried out in spring. Prepare small-particle growing medium, plant the old back bulb in it, keep it in a moist and humid environment, place it in a shady spot, and wait for it to sprout and grow young seedlings.
II. Other propagation methods for orchids
1. Division propagation: orchid division propagation is generally carried out in spring. Gently pull the orchid plant out of the flower pot, remove the soil, and do not damage the roots. Select a thick, strong stem, preferably with more than 5 pseudobulbs, cut it off from the main root with a sharp knife, dry the wound, plant it in a prepared flower pot, water it thoroughly, first place it in a shady spot to recover, and after a few days of acclimation, it can be maintained normally.
2. Orchid seed propagation is rarely used, because orchid seeds have almost no embryos, and it is very difficult for them to germinate after sowing. A few have incompletely developed embryos, but the survival rate is very low, so seed propagation is generally not recommended.
3. Tissue propagation: large-scale orchid propagation generally uses the tissue culture method. With modern advanced technology, scientific cultivation and propagation can be carried out. Tissue culture propagation is suitable for large-scale propagation, that is, placing orchid new shoots in a culture solution; after about a week they can take root, and after rooting they can be transferred to water for cultivation, and when they grow larger they can be transplanted into soil for planting.
Orchid flowers have a light fragrance and elegant colors, and are very suitable for growing indoors. I hope the above propagation methods can help you better grow orchids.