Two rotten autumn is in danger of being hot in summer.

The weather has been very muggy in recent days. The highest temperature here today may be above 33 degrees. How about somewhere else?

It is muggy in autumn, and special attention should be paid to the management of orchids. If it is not good, stem rot and soft rot will take advantage of it.

Because:

First, the orchid grows rapidly in autumn, the physiological activities are active, and the new seedling tissue is still young, so the ability to resist the invasion of bacteria is weak.

Second, after a hot summer, orchids accumulate turbid gas due to newly formed metabolism and even empty roots in the basin, which is easy to form suitable conditions for germs to reproduce and attack.

Third, orchids in the post-autumn management, because of paying attention to "autumn does not dry" so that the basin soil is often wet, once encountered muggy weather, if the management is negligent, it is easy to have an accident.

Countermeasures:

First, good ventilation is the most important, and it is best to have air circulation and fresh air replacement.

Second, look at the sky watering, dry, hot and cool, muggy and moist less watering, rainy weather slow watering.

Third, if you have the conditions and kung fu, it is best to let the orchids shine more light on the mild sunshine.

Fourth, it is necessary to apply medicine once or twice to prevent, you can use agricultural streptomycin 1000 times, or Amisi up to 2500 times continuous spray belt irrigation.

Fifth, if the humus composition of the basin soil is high, and the basin has not been turned over for a long time, you can consider using lime water or plant ash water to adjust the acidity and alkalinity of the basin once.