Exogenous melatonin improves Malus resistance to Marssonina apple blotch

We examined whether exogenously applied melatonin could improve resistance to Marssonina apple blotch (Diplocarpon mali) by apple [Malus prunifolia (Willd.) Borkh. cv. Donghongguo]. This serious disease leads to premature defoliation in the main regions of apple production. When plants were pretreat...

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Veröffentlicht in:Journal of pineal research 2013-05, Vol.54 (4), p.426-434
Hauptverfasser: Yin, Lihua, Wang, Ping, Li, Mingjun, Ke, Xiwang, Li, Cuiying, Liang, Dong, Wu, Shan, Ma, Xinli, Li, Chao, Zou, Yangjun, Ma, Fengwang
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container_end_page 434
container_issue 4
container_start_page 426
container_title Journal of pineal research
container_volume 54
creator Yin, Lihua
Wang, Ping
Li, Mingjun
Ke, Xiwang
Li, Cuiying
Liang, Dong
Wu, Shan
Ma, Xinli
Li, Chao
Zou, Yangjun
Ma, Fengwang
description We examined whether exogenously applied melatonin could improve resistance to Marssonina apple blotch (Diplocarpon mali) by apple [Malus prunifolia (Willd.) Borkh. cv. Donghongguo]. This serious disease leads to premature defoliation in the main regions of apple production. When plants were pretreated with melatonin, resistance was increased in the leaves. We investigated the potential roles for melatonin in modulating levels of hydrogen peroxide (H2O2), as well the activities of antioxidant enzymes and pathogenesis‐related proteins during these plant–pathogen interactions. Pretreatment enabled plants to maintain intracellular H2O2 concentrations at steady‐state levels and enhance the activities of plant defence‐related enzymes, possibly improving disease resistance. Because melatonin is safe and beneficial to animals and humans, exogenous pretreatment might represent a promising cultivation strategy to protect plants against this pathogen infection.
doi_str_mv 10.1111/jpi.12038
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Borkh. cv. Donghongguo]. This serious disease leads to premature defoliation in the main regions of apple production. When plants were pretreated with melatonin, resistance was increased in the leaves. We investigated the potential roles for melatonin in modulating levels of hydrogen peroxide (H2O2), as well the activities of antioxidant enzymes and pathogenesis‐related proteins during these plant–pathogen interactions. Pretreatment enabled plants to maintain intracellular H2O2 concentrations at steady‐state levels and enhance the activities of plant defence‐related enzymes, possibly improving disease resistance. 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subjects Ascomycota - pathogenicity
Base Sequence
Diplocarpon
disease resistant
DNA Primers
Hydrogen Peroxide - metabolism
Malus
Malus - microbiology
Malus prunifolia
Marssonina apple blotch
melatonin
Melatonin - administration & dosage
pathogenesis-related proteins
Plant Diseases - prevention & control
Real-Time Polymerase Chain Reaction
ROS
Rosaceae - drug effects
title Exogenous melatonin improves Malus resistance to Marssonina apple blotch
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