期刊
MOLECULES
卷 26, 期 22, 页码 -出版社
MDPI
DOI: 10.3390/molecules26226905
关键词
iturin A; cherry tomato; induced resistance; Rhizopus stolonifer
资金
- National Natural Science Foundation of China [31771948]
- Jiangsu Specially-Appointed Professor Fund 2018
- Double Create Doctor of Jiangsu Province 2020
Iturin A can effectively inhibit the soft rot disease caused by Rhizopus stolonifer in cherry tomatoes and induce resistance in the fruit, ultimately slowing down decay and improving fruit quality.
The soft rot disease caused by Rhizopus stolonifer is an important disease in cherry tomato fruit. In this study, the effect of iturin A on soft rot of cherry tomato and its influence on the storage quality of cherry tomato fruit were investigated. The results showed that 512 mu g/mL of iturin A could effectively inhibit the incidence of soft rot of cherry tomato fruit. It was found that iturin A could induce the activity of resistance-related enzymes including phenylalanine ammonia lyase (PAL), polyphenol oxidase (PPO), peroxidase (POD), glucanase (GLU), and chitinase (CHI), and active oxygen-related enzymes including ascorbate peroxidases (APX), superoxide dismutases (SOD), catalases (CAT), and glutathione reductase (GR) of cherry tomato fruit. In addition, iturin A treatment could slow down the weight loss of cherry tomato and soften the fruit. These results indicated that iturin A could retard the decay and improve the quality of cherry tomato fruit by both the inhibition growth of R. stolonifera and the inducing the resistance.
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