Layering and cutting are both methods of vegetative propagation, but the key difference lies in whether the new plant develops roots while still attached to the parent plant.
Here's a breakdown of the differences:
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Layering: In layering, a stem or branch is bent and covered with soil while still attached to the parent plant. Roots form on the buried portion of the stem. Once sufficient roots have developed, the new plant can be separated from the parent. This method relies on the parent plant providing nutrients and water to the developing roots.
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Cutting: A cutting involves severing a piece of stem, leaf, or root from the parent plant and placing it in a suitable medium (e.g., water, soil) to encourage root formation. The cutting must then develop its own root system independently, without the immediate support of the parent plant.
To further illustrate, consider this table:
| Feature | Layering | Cutting |
|---|---|---|
| Attachment | Stem remains attached to parent plant during root formation | Stem is detached from parent plant before root formation |
| Nutrient Source | Parent plant provides nutrients | Cutting relies on its own reserves/external source |
| Complexity | Generally more successful for difficult-to-root plants | Simpler and quicker for easy-to-root plants |
| Examples | Roses, raspberries, honeysuckle | Geraniums, succulents, willows |
In essence, layering offers a more secure environment for root development because the new plant receives continuous support from the parent, while cutting is a more independent process.
