How to raise orchids in autumn?

When the temperature drops in autumn, the growth of orchid plants slows down and the water demand decreases. Just keep two-thirds of the substrate moist. In order

When the temperature drops in autumn, the growth of orchid plants slows down and the water demand decreases. Just keep two-thirds of the substrate moist. In order to make the roots of orchids grow healthily, the substrate should not be too wet or too fat. Too wet will hurt the root system, and then hurt the whole orchid plant. So? Let me tell you!

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The roots of orchids are stout and not resistant to flooding. Preparation of porous and breathable substrate is the key to cultivate orchid roots. Roots have water and fertilizer characteristics. Here are some key points for cultivating orchids in autumn:

First, typhoon prevention Early autumn is the season with frequent typhoons. Special attention should be paid to the preparations for typhoon prevention, which should not be underestimated. Otherwise, the consequences will be unimaginable. I remember that in the autumn four years ago, the typhoon came, because the doors and windows of the orchid room were not closed in time, the orchid roots were washed away by the downpour and the ceiling of the orchid room was blown off; After the typhoon, the weather was hot and sunny for the next few days. Because it was too late to repair and there was no good shade, my orchids suffered heavy losses. Some orchids that are not dead have not even healed. So remind everyone: during the typhoon season, we should attach great importance to checking whether the sunshade net bundle of the blue room is firm and whether the ceiling, doors and windows of the blue room are firm. It is best to design a plan: if the ceiling of the orchid room is blown off by typhoon or strong wind, the orchid can be moved to a safe place, and so on.

Second, shading, still singing the leading role. The climate contrast in autumn is the biggest. It can be said that early autumn is like summer and late autumn is like winter. The weather in early autumn is still dominated by hot and high temperature. There is no difference between sunny days and summer, and sometimes the temperature is even higher than summer. So we must do a good job of shading.

Third, prevention and control of pests and diseases, prevention of sharp corners Autumn is also the high season of orchid pests and diseases, and its harm momentum is much higher than that in summer. Therefore, the prevention and control of orchid diseases and insect pests in autumn is the most important part of the whole orchid cultivation. If you are not careful, once you get sick, bluegrass will be burned and sharp. If it is serious, the harvest will go up in smoke, and a year's hard work will be wasted. Therefore, it is necessary to prevent and control pests and diseases in different places. Especially for diseases, we should pay more attention to them.

Fourth, water in time to prevent dust flying in dry, wet, autumn and wind, which shows that the climate in autumn is mainly dry, so the surface of orchid pots dries faster at this time, especially the orchids planted in mud pots and large particles, which should be watered in time to prevent dehydration and drying, but for strong grass, water control can be carried out to promote flowers; Orchids raised in pearl sand flowerpots and plastic flowerpots should be prevented from being too wet and eating hot roots, and special attention should be paid to orchids with fine materials and poor air permeability. At this time, it is very important to water the orchids for shade. If the water is not well watered, the roots of orchids will dry up and die. If you water too much, the newly grown orchid roots will get sick due to heat, causing immeasurable losses.

Fifth, timely fertilization is very important. When the temperature turns below 30 degrees Celsius in autumn, you can consider applying some fertilizer. At this time, phosphorus and potassium fertilizer should be the main fertilizer, and it is best to apply some organic fertilizer and as little light fertilizer as possible. The principle of fertilization should still adhere to multiple thin applications.

After the solar term, the weather began to get cold. At this time, for those bluegrass with problems, you can change pots. The advantage of changing pots at this time is that the old reed heads cut by bluegrass germinate new buds much faster than bluegrass in winter. The germination rate is also high and the survival rate of new buds is also high.

Seven, you can start communication. After autumn, most of the new seedlings of bluegrass have grown into big grass and can begin to communicate. At this time, it is best to communicate with the blue grass pot, and try not to take off the pot to avoid damaging the blue grass. /kloc-After 0/0 months, normal communication can be conducted in any way.

Eight, enter the room to close the window in time. In autumn, every time it rains, the temperature will drop obviously, especially after late autumn, and sometimes the temperature will drop below 10 degrees Celsius. If the cold air goes south, the temperature may be lower. At this time, if you put orchids in the open air, you can move them indoors, because orchids basically stop growing below 10 degrees Celsius. When the temperature is low, close the window at night.