Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit
The effect of hot air (HA, 45°C, 3.5 h) treatment on reducing gray mold caused by Botrytis cinerea in strawberry fruit and the possible mechanisms were investigated. The results showed that HA treatment significantly reduced lesion diameter and enhanced activities of chitinase (CHI), β-1,3-glucanase...
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doaj-cbfa12aa303b45018f63cbdcbf3228e02021-06-08T04:37:37ZengElsevierJournal of Integrative Agriculture2095-31192016-11-01151126582665Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruitPeng JIN0Cong ZHENG1Yu-ping HUANG2Xiao-li WANG3Zi-sheng LUO4Yong-hua ZHENG5College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P.R. ChinaCollege of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P.R. ChinaCollege of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P.R. ChinaCollege of Life Science and Food Engineering, Huaiyin Institute of Technology, Huai’an 223003, P.R. ChinaCollege of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, P.R. ChinaCollege of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, P.R. China; Correspondence ZHENG Yong-hua, Tel: +86-25-84399080, Fax: +86-25-84395618The effect of hot air (HA, 45°C, 3.5 h) treatment on reducing gray mold caused by Botrytis cinerea in strawberry fruit and the possible mechanisms were investigated. The results showed that HA treatment significantly reduced lesion diameter and enhanced activities of chitinase (CHI), β-1,3-glucanase and phenylalanine ammonia-lyase (PAL) in strawberry fruit. Total phenolic contents were also increased by HA treatment. The activities of antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX) were higher in HA treated strawberry fruit than those in control. Expression of three defense related genes such as CAT, CCR-1 allele and PLA6 was greatly induced in HA treated strawberry fruit with or without inoculation by B. cinerea. In addition, the in vitro experiment showed that HA treatment inhibited spore germination and tube growth of B. cinerea. These results suggested that HA treatment directly activated disease resistance against B. cinerea in strawberry fruit without priming response and directly inhibiting growth of B. cinerea.http://www.sciencedirect.com/science/article/pii/S2095311916613874strawberryhot airpostharvest diseaseinduced resistanceBotrytis cinerea |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Peng JIN Cong ZHENG Yu-ping HUANG Xiao-li WANG Zi-sheng LUO Yong-hua ZHENG |
spellingShingle |
Peng JIN Cong ZHENG Yu-ping HUANG Xiao-li WANG Zi-sheng LUO Yong-hua ZHENG Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit Journal of Integrative Agriculture strawberry hot air postharvest disease induced resistance Botrytis cinerea |
author_facet |
Peng JIN Cong ZHENG Yu-ping HUANG Xiao-li WANG Zi-sheng LUO Yong-hua ZHENG |
author_sort |
Peng JIN |
title |
Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit |
title_short |
Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit |
title_full |
Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit |
title_fullStr |
Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit |
title_full_unstemmed |
Hot air treatment activates defense responses and induces resistance against Botrytis cinerea in strawberry fruit |
title_sort |
hot air treatment activates defense responses and induces resistance against botrytis cinerea in strawberry fruit |
publisher |
Elsevier |
series |
Journal of Integrative Agriculture |
issn |
2095-3119 |
publishDate |
2016-11-01 |
description |
The effect of hot air (HA, 45°C, 3.5 h) treatment on reducing gray mold caused by Botrytis cinerea in strawberry fruit and the possible mechanisms were investigated. The results showed that HA treatment significantly reduced lesion diameter and enhanced activities of chitinase (CHI), β-1,3-glucanase and phenylalanine ammonia-lyase (PAL) in strawberry fruit. Total phenolic contents were also increased by HA treatment. The activities of antioxidant enzymes including superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX) were higher in HA treated strawberry fruit than those in control. Expression of three defense related genes such as CAT, CCR-1 allele and PLA6 was greatly induced in HA treated strawberry fruit with or without inoculation by B. cinerea. In addition, the in vitro experiment showed that HA treatment inhibited spore germination and tube growth of B. cinerea. These results suggested that HA treatment directly activated disease resistance against B. cinerea in strawberry fruit without priming response and directly inhibiting growth of B. cinerea. |
topic |
strawberry hot air postharvest disease induced resistance Botrytis cinerea |
url |
http://www.sciencedirect.com/science/article/pii/S2095311916613874 |
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