Chlorine dioxide fumigation method to prevent black rot disease and promote wound healing in sweetpotato

Abstract

A chlorine dioxide fumigation method to prevent sweetpotato black rot and promote the wound healing in sweetpotatoes is provided. Chlorine dioxide (ClO2) is applied to prevent and control of sweetpotato black rot for the first time. It has a good inhibitory effect on C. fimbriata growth and an obvious preventive effect on sweetpotato black rot. The treatment time is short with high safety levels, no residue, and little harm. The combined reagents are used to fumigate stored sweetpotatoes with small dosage, ensuring uniform medication and obvious efficacy without any phytotoxicity observed during the process. This can effectively reduce the disease rate of sweetpotato black rot during storage and maintain quality effectively. Additionally, the combined reagents can also promote wound healing on damaged surfaces of sweetpotatoes and effectively prevent infection from pathogenic fungi during storage.

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