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First, the shade: summer sunshine, and orchids are half-negative plants, can not stand exposure, so the maintenance of orchids must have shade facilities, to direct light into scattered light. Shade nets can generally be used. The shade net is set to be movable and rolled up, and a shade net (double layer) hanging with a shading rate of 70% to 80% is used. If the shade temperature is low, the shade net can be rolled up and ventilated. This is advantageous. Bluegrass grows.
Second, ventilation: summer heat, rolling hot waves on the road, the greenhouse effect is prominent, if you pay attention to ventilation without raising blue, it is easy to produce disease or down seedlings. The measure is: First, pay attention to ventilation, make air convection; secondly, use electric fan ventilation. Generally, low-power, wind-adjustable electric fans or small ceiling fans should be used for ventilation, so that small ventilation can be achieved, and breeze can be avoided. The blue leaves can be shaken from time to time.
Third, moisturizing: In the hot season, due to the large amount of evaporation, orchids are easily contaminated, and the incidence of moisturizing becomes even more important. How to create a microclimate to cultivate orchids, according to the experience of Lanyou, we should gradually promote the basic standardization of raising orchids, constantly improve the conditions of raising orchids, and strive to achieve flowering orchids, unified orchid pots, unified planting materials, unified humidification, in order to achieve management The basic norms, so that the effect of raising blue orchids will be better. Specific practice: can be set under the flower tray tray, usually 10-15 cm in height is appropriate, the orchid from the water about 5 cm. There is a drain switch under the tray to facilitate water changes. Small humidification pumps can also be used to humidify the water. In the pan water, add disease-preventing drugs such as carbendazim, thiophanate and others. In this way, you can increase the humidity, but also prevent disease, but also play a cooling effect, in one fell swoop. A round of water is changed every half month or so. If water is added to the ground, it can basically meet the demand of orchids for humidity.
Fourth, disease prevention: high temperature season, disease prevention principles: to prevent the main, prevention and control combination. Should be cultivated blue places, pots, leaves sprayed to prevent disease. Drugs can use carbendazim, thiophanate, chlorothalonil and so on. During the breeding process: (1) The pots should be clean. Commonly used anti-virus drugs sprayed to prevent germs in the blue pots; (2) place to be disinfected. On the balcony raising blue places, it is necessary to regularly spray and prevent disease; (3) Lanye should spray medicine. Especially in hot and humid one to two weeks to timely foliar spraying for disease prevention, drug rotating, found sick bluegrass should be promptly isolated breeding, in order to avoid cross-infection.
How to manage hot orchids in summer
In summer, with the gradual increase of temperature, it has a great impact on the growth of orchids. It is necessary to pay attention to the following points: