How to maintain Dendrobium candidum
Dendrobium candidum is a rare Chinese medicinal material and ornamental green plant. Its unique growth habits make the maintenance process full of challenges. Mastering scientific cultivation techniques can not only improve survival rates, but also promote the accumulation of active ingredients in plants. This article will systematically analyze the secret of Dendrobium candidum cultivation from environmental regulation to plant management. The matrix ratio and container selection of the five core maintenance points of Dendrobium candidum are recommended to use a mixed matrix of pine bark + coconut shell + perlite (6:3:1), and replace it with new materials every 2 years. The side wall ventilation holes need to be reserved for pottery pots or hollow plastic pots, and 3cm broken tiles should be laid on the bottom layer to enhance drainage. Light and temperature control strategy Accept soft light (3000-5000lux) in the morning and evening in spring and winter, and use a double sunshade net to filter 85% of the strong light in summer. The temperature difference between day and night is best controlled at 8-10℃, and the golden temperature band of 15-28℃ can be maintained through the smart greenhouse system. Water management techniques adopt a dual mode of "dipping basin + spray" water supply: immerse the flowerpot in rainwater with pH 5.8 -6.3 for 2 minutes every Tuesday and Friday, and use an atomizer to replenish water on the leaves every morning and evening. Air hygrometer monitoring is maintained in the range of 65-75%. The nutrient supply plan applies orchid special fertilizer diluted by 2000 times every half a month during the growing period, and increases phosphorus and potassium fertilizers during the budding period. During the winter dormant period, decomposed sheep manure extract was used to slowly release nutrients through siphons. Pruning principles and misunderstandings of Dendrobium officinale This variety has the advantage of top growth, and blind pruning will destroy the nutrient transport of stems and nodes. Just remove the bottom 3 aged leaves in the spring, and use alcohol-disinfected scissors to cut flat when black rotting air roots are found. After flowering, 2cm of the base of the scape is retained to facilitate secondary germination.
By accurately regulating the light cycle, innovating water supply methods, reasonable nutrient ratio, and combining with the pruning principle of minimum intervention, the number of new stem sections of Dendrobium candidum can reach more than 40cm per year. Regular observation of plant status and timely adjustment of maintenance plans are the key to cultivating high-quality Dendrobium officinale.