지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Gamma irradiation, which is a type of ionizing radiation, can be used as a fruit inducible factor. In the present study, the effects of gamma irradiation on the resistance of mandarin fruits against Penicillium digitatum, the causal agent of postharvest green mold disease, were investigated. Pretreatment of a low dose of gamma irradiation effectively reduced the disease incidence and lesion diameter of mandarin fruits inoculated with P. digatatum during storage for 14 d. Interestingly, exposed to 400 Gy of gamma irradiation significantly maintained firmness and stimulated the synthesis of defense-related enzymes, (e.g., β-1,3-glucanase, phenylalanine, peroxidase, and polyphenol oxidase) and pathogenesis-related (PR) genes (e.g., PR-1 and PR-2). Therefore, the gamma irradiation-induced resistance against P. digatatum involves both changes of phenolic compounds and the induction of expression of defense-related genes. In addition, scanning electron microscopy analysis revealed that induced disease resistance by gamma irradiation significantly inhibits the growth of P. digatatum in mandarin fruits. These results suggest that the exposure of gamma irradiation is a potential methods for inducing the disease resistance of fruit to postharvest fungal pathogens and for extending the postharvest life of mandarin fruit.
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참고문헌 (21)
참고문헌 신청
Charles MT / 2003 / Effect of maturity and storage on Rishitin accumulation disease resistance to Botrytis cinerea in UV-C treated tomato fruit / Acta Hortic 599:573~576
Daayf F / 2012 / Phenolic compounds in plant defense and pathogen counter-defense mechanisms / Recent Adv. Polyphenol Res 3:191
Droby S / 2006 / Improving quality and safety of fresh and vegetables after harvest by the use of biocontrol agents and natural materials / Acta Hortic 709:45~51
Faize M / 2004 / Acibenzolar-S-Methyl-induced resistance to Japanese pear scab is associated with potentiation of multiple defense responses / Phytopathology 94:604~612
Feliziani E / 2013 / Preand postharvest treatment with alternatives to synthetic fungicides to control postharvest decay of sweet cherry / Postharvest Biol. Technol 78:133~138
Daayf F / 2012 / Phenolic compounds in plant defense and pathogen counter-defense mechanisms / Recent Adv. Polyphenol Res 3:191
Droby S / 2006 / Improving quality and safety of fresh and vegetables after harvest by the use of biocontrol agents and natural materials / Acta Hortic 709:45~51
Faize M / 2004 / Acibenzolar-S-Methyl-induced resistance to Japanese pear scab is associated with potentiation of multiple defense responses / Phytopathology 94:604~612
Feliziani E / 2013 / Preand postharvest treatment with alternatives to synthetic fungicides to control postharvest decay of sweet cherry / Postharvest Biol. Technol 78:133~138
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