期刊
JOURNAL OF PHYTOPATHOLOGY
卷 164, 期 1, 页码 11-17出版社
WILEY
DOI: 10.1111/jph.12411
关键词
Blue mould rot; jujube; M. pulcherrima; microwave treatment; quality parameters
资金
- National Natural Science Foundation of China [NNSFC-31160342]
The potential of using an antagonistic yeast alone or in combination with microwave treatment for controlling blue mould rot of jujube fruit, and its effect on postharvest quality of fruit, was investigated. The results showed that the growth of Penicillium citrinum was completely inhibited by a 2450-MHz microwave heating for 2 or more minutes in vitro. The population density of P. citrinum in surface wounds of fruit treated with microwave treatment for 2-3 min was significantly lower than that of controls. When tested on jujube fruit, antagonistic yeast or microwave treatment, as stand-alone treatment, the disease incidence of infected wounds was reduced from 100% to 45.0% and 36.0%, and lesion diameters were reduced from 1.92 cm to 1.50 cm and 1.38 cm, respectively. However, in fruit treated with a combination of Metschnik-owia pulcherrima and microwave treatment, the disease incidence of infected wounds and lesion diameters was only 21.0% and 1.00 cm, respectively. The natural decay incidence on jujube fruit treated with the combination of microwave treatment and M. pulcherrima was 6.2% after storage at 2 +/- 1 degrees C for 45 days and at 22 degrees C for 7 days. None of the treatments impaired quality parameters of fruits. Thus, the combination of microwave treatment and M. pulcherrima could provide an alternative to synthetic fungicides for controlling postharvest blue mould rot of jujube fruit.
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