Effect of MeJA treatment on polyamine, energy status and anthracnose rot of loquat fruit

文献类型: 外文期刊

第一作者: Cao, Shifeng

作者: Cao, Shifeng;Cai, Yuting;Zheng, Yonghua;Cao, Shifeng;Yang, Zhenfeng;Joyce, Daryl C.

作者机构:

关键词: MeJA;Loquat;Anthracnose rot;Polyamines;Energy

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The effect of methyl jasmonate (MeJA) on changes in polyamines content and energy status and their relation to disease resistance was investigated. Freshly harvested loquat fruit were treated with 10 μmol l~(-1) MeJA and wound inoculated with Colletotrichum acutatum spore suspension (1.0 x 10~5 spores ml~(-1)) after 24 h, and then stored at 20 ℃ for 6 days. MeJA treatment significantly reduced decay incidence. MeJA treated fruit manifested higher contents of polyamines (putrescine, sper-midine and spermine) compared with the control fruit, during storage. MeJA treatment also maintained higher levels of adenosine triphosphate, and suppressed an increase in adenosine monophosphate content in loquat fruit. These results suggest that MeJA treatment may inhibit anthracnose rot by increasing polyamine content and maintaining the energy status.

分类号: TS2`TS201.2

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