食品与发酵工业 >

2022 , Vol. 48 >Issue 18: 107 - 113

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.029074

研究报告

丁香精油对杧果采后炭疽病及品质的影响

  • 李俊国 ,
  • 胡美姣 ,
  • 弓德强 ,
  • 母军霞 ,
  • 王伟博 ,
  • 高兆银 ,
  • 李敏 ,
  • 谷会 ,
  • 陈千付 ,
  • 雷新涛
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  • 1(海南大学 园艺学院,海南 海口,570228)
    2(中国热带农业科学院热带作物品种资源研究所,海南 海口,571101)
    3(中国热带农业科学院环境与植物保护研究所,海南 海口,571101)
    4(海南省热带园艺产品采后生理与保鲜重点实验室,海南 海口,571101)
第一作者:硕士研究生(雷新涛研究员为通信作者,E-mail:xtlei@263.net)

收稿日期: 2021-08-24

  修回日期: 2021-10-13

  网络出版日期: 2022-10-17

基金资助

国家重点研发计划(2019YFD1001103);国家重点研发计划(2020YFD1000600);基本科研业务费项目(1630042017026)

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Effects of clove essential oil on postharvest anthracnose and quality of mango

  • LI Junguo ,
  • HU Meijiao ,
  • GONG Deqiang ,
  • MU Junxia ,
  • WANG Weibo ,
  • GAO Zhaoyin ,
  • LI Min ,
  • GU Hui ,
  • CHEN Qianfu ,
  • LEI Xintao
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  • 1(Institute of Horticulture, Hainan University, Haikou 570228, China) 2 (Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China)3 (Environment and Plant Protection Institute, China Academy of Tropical Agricultural Sciences, Haikou 571101, China)
    4(Key Laboratory of Hainan Province for Postharvest Physiology and Technology of Tropical Horticultural Products, Haikou 571101, China)

Received date: 2021-08-24

  Revised date: 2021-10-13

  Online published: 2022-10-17

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摘要

为探究植物精油对杧果采后炭疽病菌的抑菌效果以及植物精油处理后对贵妃杧的采后品质的影响,分别用10种植物精油对杧果炭疽病菌(Colletotrichum gloeosporioides)进行离体抑菌试验;以贵妃杧为试验材料,刺伤后分别用0.0、0.2、0.5、1.0、2.0和4.0 μL/mL的丁香精油浸泡5.0 min后接种杧果炭疽病菌,统计炭疽病病斑直径和病情指数;以2.0 μL/mL的丁香精油浸泡贵妃杧5.0 min后观察自然发病,统计病情指数和防治效果,同时研究了丁香精油对贵妃杧采后品质的影响。结果表明,离体抑菌试验中,10种供试植物精油对杧果炭疽病原菌的菌丝生体长均有明显的抑制效果,其中丁香精油的抑菌效果最好,EC50值和EC90值分别为0.19 μL/mL和0.57 μL/mL。在丁香精油对贵妃杧刺伤接种抑制效果试验中发现,贮藏12 d时,2.0 μL/mL处理的病斑直径及病情指数均显著低于对照,病斑直径为10.45 mm,病情指数为46.25。同时2.0 μL/mL处理能有效预防贵妃杧采后自然发病,且能显著抑制失重和果肉硬度下降,贮藏后期仍保持较高的可溶性固形物和维生素C含量(P<0.05),但对可滴定酸的影响不显著(P>0.05)。

关键词： 植物精油; 丁香精油; 炭疽病; 杧果

本文引用格式

李俊国 , 胡美姣 , 弓德强 , 母军霞 , 王伟博 , 高兆银 , 李敏 , 谷会 , 陈千付 , 雷新涛 . 丁香精油对杧果采后炭疽病及品质的影响[J]. 食品与发酵工业, 2022 , 48(18) : 107 -113 . DOI: 10.13995/j.cnki.11-1802/ts.029074

Abstract

To explore the inhibitory effect of plant essential oils on Colletotrichum gloeosporioides after postharvest and the effect of plant essential oils on postharvest quality of ‘Guifei’ mango, the antifungal activity of 10 plant essential oils on Colletotrichum gloeosporioides was tested in vitro. Firstly, the wounded ‘Guifei’ mango was soaked in 0.2, 0.5, 1.0, 2.0 and 4.0 μL/mL clove essential oil for 5.0 min, and then inoculated with mango anthracnose. The lesion diameter and disease index of anthracnose were counted. The natural disease was observed after being soaked in 2.0 μL/mL clove essential oil for 5.0 min, and the disease index and control effect were recorded and the effects of treatment on the fruit quality were also studied. The results showed that 10 kinds of essential oils had significant inhibitory effects on the mycelial growth of mango anthracnose pathogen in the plate antibacterial test, and clove essential oil had the best inhibitory effect which with the EC50 and EC90 values of 0.19 μL/mL and 0.57 μL/mL, respectively. In the inhibitory effect of clove essential oil on the inoculation wounds of ‘Guifei’ mango, the lesion diameter and disease index of the 2.0 μL/mL treatment group were significantly lower than those of the control group at 12 d of storage. The lesion diameter was 10.45 mm and the disease index was 46.25. At the same time, keeping maintained high soluble solids and vitamin C content in the late storage 2.0 μL/mL treatment can effectively prevent the natural disease after harvest, which can significantly inhibit the weight loss and the decrease of flesh firmness (P<0.05),but had no significant effect on titratable acid (P>0.05).

Key words： plant essential oil; clove essential oil; mango anthracnose; mango

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