How to Make Rubber Trees Produce More Side Branches
Rubber trees are a popular choice for indoor greenery due to their leathery leaves and upright posture. Many plant enthusiasts often encounter issues with plants growing too tall and thin during the maintenance process. This article will systematically explain methods to stimulate the growth of side branches through scientific pruning and girdling techniques, allowing your rubber tree to quickly develop a full and plump canopy.
Three Techniques for Cultivating Side Branches in Rubber Trees
1.1 Complete Guide to Cutting for Bud Promotion
Choose the period from March to April when the plant is growing vigorously, and make a horizontal cut 50cm from the base using a disinfected gardening shear. Applying candle sealing liquid to the cut surface can effectively prevent bacterial infections, while retaining the top 1-2 functional leaves for photosynthesis. After the operation, place the plant in a scattered light environment at 25°C, with air humidity maintained above 60%.
1.2 Key Post-Operative Care Tips
Control watering frequency to keep the soil slightly moist, and apply a diluted phosphorus-potassium fertilizer solution every 15 days. When the buds have sprouted to 5cm, thin them, retaining 3-5 healthy side buds. Rotate the pot 180° weekly to ensure even sunlight exposure on all side branches.
1.3 Plan for Regeneration of Branches
Retain 3 leaves on the pruned branches, and make a 45° diagonal cut at the base to increase the water absorption area. Use a mixture of perlite and vermiculite (2:1) for cutting, and cover with a transparent humidity dome to maintain 90% humidity. Gradually increase light intensity after rooting, and the plant can be transplanted after 2 months.
II. In-depth Analysis of Girdling Techniques for Rubber Trees
2.1 Golden Rules for Girdling Operations
Choose a lignified main stem with a diameter of ≥2cm, and make a circular cut 1/3 of the circumference, 0.8cm above the bud point. The depth of the cut should reach the cambium layer, and apply a healing ointment after the operation. The best time is on a sunny morning when the average daily temperature is 20-25°C, and the effect can be enhanced by喷施 gibberellic acid solution.
2.2 Critical Care Period After Girdling
Ensure good ventilation in the environment and avoid getting water on the cut. After new buds sprout, apply a balanced water-soluble fertilizer (N-P-K=20-20-20) at a concentration of 1500 times. When the new branches reach 10cm, pinch the tips to stimulate secondary branching.
Through systematic pruning management and precise girdling techniques, combined with a scientific care plan, rubber trees can develop a layered and full plant form within 4-6 months. It is recommended to assess the plant form every quarter, and adjust the care strategy in a timely manner to keep the greenery in the best viewing condition.