The Plant Pathology Journal

한국식물병리학회 (The Korean Society of Plant Pathology)
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Effects of Ionizing Radiation on Postharvest Fungal Pathogens

  • Jeong, Rae-Dong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Shin, Eun-Jung (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Chu, Eun-Hee (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Park, Hae-Jun (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 투고 : 2015.03.17
  • 심사 : 2015.04.15
  • 발행 : 2015.06.01
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초록

Postharvest diseases cause losses in a wide variety of crops around the world. Irradiation, a useful nonchemical approach, has been used as an alternative treatment for fungicide to control plant fungal pathogens. For a preliminary study, ionizing radiations (gamma, X-ray, or e-beam irradiation) were evaluated for their antifungal activity against Botrytis cinerea, Penicillium expansum, and Rhizopus stolonifer through mycelial growth, spore germination, and morphological analysis under various conditions. Different fungi exhibited different radiosensitivity. The inhibition of fungal growth showed in a dose-dependent manner. Three fungal pathogens have greater sensitivity to the e-beam treatment compared to gamma or X-ray irradiations. The inactivation of individual fungal-viability to different irradiations can be considered between 3-4 kGy for B. cinerea and 1-2 kGy for P. expansum and R. stolonifer based on the radiosensitive and radio-resistant species, respectively. These preliminary data will provide critical information to control postharvest diseases through radiation.

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참고문헌

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  2. Applications of ionizing radiation for the control of postharvest diseases in fresh produce: recent advances 2017, https://doi.org/10.1111/ppa.12739
  3. Effect of phytosanitary irradiation and methyl bromide fumigation on the physical, sensory, and microbiological quality of blueberries and sweet cherries vol.96, pp.13, 2016, https://doi.org/10.1002/jsfa.7648
  4. Antifungal effect of gamma irradiation and sodium dichloroisocyanurate againstPenicillium expansumon pears vol.61, pp.5, 2015, https://doi.org/10.1111/lam.12466
  5. Postharvest Control of Botrytis cinerea and Monilinia fructigena in Apples by Gamma Irradiation Combined with Fumigation vol.79, pp.8, 2016, https://doi.org/10.4315/0362-028X.JFP-15-532
  6. Controlling Botrytis elliptica Leaf Blight on Hybrid Lilies through the Application of Convergent Chemical X-ray Irradiation vol.32, pp.2, 2016, https://doi.org/10.5423/PPJ.OA.09.2015.0187
  7. Postharvest Disease Control of Colletotrichum gloeosporioides and Penicillium expansum on Stored Apples by Gamma Irradiation Combined with Fumigation vol.32, pp.5, 2016, https://doi.org/10.5423/PPJ.OA.03.2016.0062
  8. Combined Treatment with Gamma Irradiation and Sodium Dichloroisocyanurate to Control Leaf Blight and to Preserve Cut Lilies vol.22, pp.2, 2016, https://doi.org/10.5423/RPD.2016.22.2.94