Ventilation treatment in the process of Orchid maintenance

In the process of planting, maintenance and management, orchids must be able to perform respiration and photosynthesis normally in the strange air, improve metabolism, strengthen the reference and operation of nutrients and nutrients, as well as the production and accumulation of culture medium, reduce diseases and insect pests, and make the orchid plants thrive. So do a good job in ventilation, the ability to ensure the novelty of the air, raise orchids.

First, the disease of orchid plants is mostly caused by high temperature and humidity in the small background, stagnant heat and lack of ventilation, and the rapid spread of pathogens and insect pests, especially greasy insects, whitefly, shell insects, brown spot, white silk disease and so on.

Second, the ventilation of the venue and the shade shed. The site should be as wide as possible, and in the high place, the flower bed can be made of brick and stone, or the empty flowerpot can be placed upside down and put on the orchid pot, so that the orchid pot is 20 cm to 40 cm away from the ground, especially in places with poor ventilation, the orchid pot should be as high as possible, and the shade shed uses bamboo curtains and hedges with low price and good quality, and the ventilation is satisfactory.

Third, indoor ventilation is very poor, it will change the proportion of various gases in the air, increase harmful gases, reduce useful gases, affect the growth and development of orchids, be prone to mold, erosion, and even be poisoned.

Houses, closed molecular compound plastic sheds or glass sheds, especially those warmed by coal, should open windows or open thin films every day when the indoor temperature exceeds 10 ℃. Closed rooms in winter should also be ventilated directionally with electric fans when the air temperature is high at noon. The temperature of the greenhouse is generally high and low, so the air inlet should be in the lower part, while the air outlet is in the upper part, the ventilation speed is fast, and the removal of harmful gases is more thorough. Pay attention to ventilation while appropriate fountain, deal with the relationship among ventilation, warmth and water replenishment, and prevent the cold wind from blowing directly.

The density of orchid pots placed indoors should be sparse or not, and enough distance should be maintained. if the area is narrow, the flower bed can be built into a step shape. Should pay attention to often wash the appearance of the orchid basin with water, and spray on the front and back of the orchid leaves to ensure smooth gas eyes.

IV. Ventilation of basin utensils and basin soil

1. Orchid basin is suitable to use high tube, high foot, thin wall, strong permeability tile basin, but also can choose basin wall, basin bottom porous orchid basin.

two。 The layering method should be adopted for plant material or basin soil. if basin soil is used, the basin bottom hole can be covered with 2 or 3 small bricks, covered with 3 cm thick block coke, and then filled with mixed soil of rotten humus and river sand. Add a layer of 3 cm thick burnt slag to the basin height, and then cover the top with mixed soil to the edge of the basin, so that the orchid basin has a background of easy gas circulation.

3. The number of plants planted in each pot should not be too much. If there are many plants and dense leaves, they should be turned over and planted separately as soon as possible, and the weeds, diseased leaves and dead leaves in the orchid pot should always be swept away to facilitate ventilation.