The large-flowered orchid is an epiphytic orchid in the orchid family, with large, brightly colored flowers, neat flowers and firm textures, and it does not wither for a long time. The flowering period is about 3 months, which is very suitable for indoor potted culture of flowers.
Large flowered orchid
<h1 class="pgc-h-arrow-right" > lighting</h1>
Large flower orchid is suitable for sufficient scattered light, summer and autumn with a shade net to block the light by 50%, winter and spring or cloudy days when the sun is soft, you should open the shade net to accept direct light. The flowering period can be moved to a lower light place to make the flowers bloom brightly. To maintain a longer flowering period and the orchid is angry, do not place directly in strong sunlight.
<h1 class="pgc-h-arrow-right" > second, temperature</h1>
Most varieties of large flower orchid prefer cold and cool environmental climate, generally grow vigorously at 15-25 ° C, the maximum temperature endured in summer is 35 ° C, and the flower buds will stop growing and become yellow and wilted when they are above 25 ° C in autumn, and the temperature of the room in winter should not be lower than 5 ° C. Seedlings of the year should overwinter at temperatures above 5 °C. Prefers cool, humid climates and well-ventilated semi-shade environments.
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<h1 class= "pgc-h-arrow-right" > three, watering</h1>
Most varieties of the large flower orchid need to have high humidity, and they need to have sufficient water supply to the adult plants throughout the year (young plants should be appropriately reduced). Winter and early spring should be watered every morning, from early summer to late autumn from June to September, watering once a day before 8 a.m. and after 17 o'clock, and once a day of watering at the same time as the foliar spray (fog). There is a short dormant period after flowering, at which time less watering should be done to avoid rotten roots. Watering should not be flooded, and should be mainly based on water replenishment and spraying. If the indoor climate is dry, spray water on the leaves, flowers and surroundings to increase humidity.
<h1 class = "pgc-h-arrow-right" > fourth, fertilization</h1>
During the peak growing season, it can be used to ferment the cake liquid fertilizer, dilution concentration of 0.02% to water 1-2 times / week; usually with fermented oil meal organic fertilizer mixed with bone meal or Melak tree slow release fertilizer placed on the pot surface (can slowly release fertility with water penetration), and combined with watering once a week to water the compound liquid fertilizer with a concentration of 0.1-0.2%. The large flower orchid prefers fertilizer, mainly compound fertilizer, supplemented by decomposing organic fertilizer. 2-3 times / month, the fertilizer should be thin, soluble fertilizer in water, slowly infiltrated with water during watering. In winter, it is advisable to water less and without fertilization, and to place it in a warm room.
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<h1 class = "pgc-h-arrow-right" > five, pest control</h1>
The maintenance of large flower orchids should pay attention to environmental ventilation, otherwise it is easy to be infected with black spot disease, mesophorus and other diseases and insect pests.
1, poor ventilation is prone to white silk disease, can be sprayed with 12% copper thirrhinate emulsion 600-800 times liquid spraying and irrigation, after 7-10 days, spray irrigation again.
2, severe will appear black spot disease and blue head black rot, can be 70% tolbucin 1000 times liquid, or 50% carbendazim 1000 times liquid spray, sprayed once every half a month to prevent its occurrence.
Big Flower Orchid: What should I do if yellow leaves appear in the Big Flower Orchid? How to maintain the yellow leaves of the large flower orchid?
3, aphids: can be boiled for half an hour with 500g of white-headed weng root, filtered, take the liquid and spray.
4, red spider: can use neutral washing powder to spray water 150 times.
5. Mesozoites: can be diluted with wind oil essence 600-800 times liquid spraying.