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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.12.039
|2 doi
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|a pubmed24n0933.xml
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|a (DE-627)NLM280154305
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|a (NLM)29353685
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|a (PII)S0981-9428(17)30440-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Jing, Xin
|e verfasserin
|4 aut
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|a Secondary and sucrose metabolism regulated by different light quality combinations involved in melon tolerance to powdery mildew
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.07.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a We evaluated the effect of different light combinations on powdery mildew resistance and growth of melon seedlings. Light-emitting diodes were used as the light source and there were five light combinations: white light (420-680 nm); blue light (460 nm); red light (635 nm); RB31 (ratio of red and blue light, 3: 1); and RB71 (ratio of red and blue light, 7: 1). Compared with other treatments, blue light significantly decreased the incidence of powdery mildew in leaves of melon seedlings. Under blue light, H2O2 showed higher accumulation, and the content of phenolics, flavonoid and tannins, as well as expression of the genes involved in synthesis of these substances, significantly increased compared with other treatments before and after infection. Lignin content and expression of the genes related to its synthesis were also induced by blue light before infection. Melon irradiated with RB31 light showed the best growth parameters. Compared with white light, red light and RB71, RB31 showed higher accumulation of lignin and lower incidence of powdery mildew. We conclude that blue light increases melon resistance to powdery mildew, which is dependent on the induction of secondary metabolism that may be related to H2O2 accumulation before infection. Induction of tolerance of melon seeds to powdery mildew by RB31 is due to higher levels of sucrose metabolism and accumulation of lignin
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|a Journal Article
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|a Light quality
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|a Melon
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|a Powdery mildew resistance
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|a Secondary metabolism
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|a Sucrose
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|a Sucrose
|2 NLM
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| 650 |
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|a 57-50-1
|2 NLM
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| 700 |
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|a Wang, Hui
|e verfasserin
|4 aut
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| 700 |
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|a Gong, Biao
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Shiqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Min
|e verfasserin
|4 aut
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| 700 |
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|a Ai, Xizhen
|e verfasserin
|4 aut
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| 700 |
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|a Li, Yan
|e verfasserin
|4 aut
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| 700 |
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|a Shi, Qinghua
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 124(2018) vom: 15. März, Seite 77-87
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:124
|g year:2018
|g day:15
|g month:03
|g pages:77-87
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|u http://dx.doi.org/10.1016/j.plaphy.2017.12.039
|3 Volltext
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