Analysis of the Reasons Why Rose Cuttings Only Grow Healing Tissue and Not Roots in Water
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Rose cuttings in water is the most common propagation method for roses, but many gardening enthusiasts encounter the problem where the cuttings only develop healing tissue but do not root, and they are puzzled. Some enthusiasts have summarized four reasons, hoping to be helpful to fellow gardeners.
1. The growth of healing tissue almost consumes all the nutrients in the body, leaving no energy to grow roots.
Those that do not root are mostly weak branches, with few leaves, yellowing, or severe diseases, which have poor photosynthesis. The nutrients produced by photosynthesis are just enough to sustain life, with no energy left to grow roots. This phenomenon is most likely to occur when bare branches are cut. Personal experience: For branches with leaves, as long as the leaves are dark green with many chloroplasts, and the leaves are free from diseases and get some sun exposure, photosynthesis will accumulate enough nutrients and roots will eventually grow.
Strategy: Choose branches with strong leaves for leafy cuttings; choose branches with full nutrition for bare cuttings in autumn and winter.
2. Lack of root-promoting hormones inside the plant
Most of the good time is spent growing healing tissue in the early stages, only to find that the hormones controlling root growth are gone when it's time to root.
Strategy: Try soaking in root powder.
3. Roots do not like a bright environment, so they do not grow
Roots prefer dark environments. When cuttings are placed in water, the tip of the branch is too bright, and the roots feel shy and scared to grow out.
Strategy: Directly transfer to soil or vermiculite cuttings, or wrap something black around it to block light.
4. Healing tissue is infected by bacteria
The cutting environment is polluted, and various bacteria invade the healing tissue, causing the branch to focus on fighting off invaders and neglecting to grow roots.
Strategy: If the water quality deteriorates, change the water in time.
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