Cultivation methods and matters needing attention for Dendrobium butterfly
In the tropical flower collection circle, Dendrobium butterfly is capturing many plant lovers with its unique flower shape and refreshing fragrance. This epiphytic orchid plant is not only suitable for professional greenhouse cultivation, but also can shine in the home environment through scientific methods. Master the following cultivation points to keep your Dendrobium butterfly orchid full of flowers every year. The three factors of environmental control and temperature management need to follow the principle of "high day and low night". Maintain the golden range of 25-30℃ during the day and no lower than 15℃ at night. The lighting configuration recommends a mottled shade effect, and a 30% sunshade net can be used to create a scattered light environment. The humidity control adopts the "atomization and humidification method", and the air circulation device is used to maintain the humidity range of 60%-80%. Substrate selection and improvement The cultivation substrate was made with the ratio of pine scale + volcanic rock + water moss (3:2:1), and 50g of slow-release fertilizer granules were added to every cubic meter. The basin is preferably a porous pottery basin, and the bottom layer is paved with a 3cm-thick ceramsite drainage layer. Substrate renewal is carried out every spring, and aging aerial roots are pruned simultaneously. Water control strategy for flowering period management of Dendrobium chinensis maintains the micro-tide of the substrate during the vegetative growth period, and starts the "dry-wet alternating method" 45 days before flowering: water is cut off for 3 consecutive days and then watered thoroughly, and repeated 3 times to stimulate flower bud differentiation. Use a dipping basin to replenish water during flowering to prevent flowers from getting moldy with water. Nutritional supplement plan Apply orchid special fertilizer (NPK 20-20-20) every week from March to August, and use high-phosphorus formula (10-30-20) from September. Add seaweed concentrate foliar fertilizer every month, and use EM bacterial solution to irrigate roots to enhance stress resistance. Common problems and solutions for abnormal root systems. In case of black roots, stop water immediately, soak in hydrogen peroxide (3%) for 20 minutes, and then change the planting material. In the early stage of blight blight, the roots were irrigated with 500-fold solution of Bacillus subtilis, and azoxystrobin suspension was used when severe. Practical techniques for promoting flowers implement the "temperature difference stimulation method" for flower-rejecting plants: create a temperature difference between day and night of 8-10℃ for 7 consecutive days, and use red fill light to irradiate it for 4 hours a day. Cut off the residual stems in time after flowering and retain 3 healthy stem segments.
By accurately controlling the four major elements of light, warm water and fertilizer, Dendrobium butterfly can fully show its charming style in the family environment. It is recommended that novices start with deciduous varieties and master the rules before trying evergreen rare varieties. Regularly observing the status of the plants and adjusting the maintenance plan based on seasonal changes will surely allow this "air ballet" to bloom gracefully year after year.