The main functions of grafting film for fruit tree seedlings include protecting the scion, promoting healing, and preventing external disturbances. The grafting film is usually a thin, soft PE film that adheres automatically without loosening, while allowing the seedlings to breathe freely. It ensures the scion retains moisture and prevents premature dehydration that can cause wilting. Additionally, the grafting film protects the healing tissue and prevents insects from damaging the film or causing cracks in the scion.
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