Effect of lactoperoxidase system on the control of Colletotrichum musae on bananas

Postharvest diseases are a major concern for plant products, leading to considerable postharvest losses. Colletotrichum musae is responsible for anthracnose and is also involved in crown rot, the two main postharvest diseases of banana. The use of antimicrobial agents such as the lactoperoxidase sys...

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Published inFood technology and biotechnology Vol. 49; no. 2; pp. 244 - 248
Main Authors Sagoua, Woeheoudama, Ducamp, Marie-Noelle, Loiseau, Gerard, de Lapeyre de Bellaire, Luc
Format Journal Article
LanguageEnglish
Published Zagreb Sveuciliste U Zagrebu 01.04.2011
Sveuciliste u Zagrebu, Prehramheno-Biotehnoloski Fakultet
University of Zagreb Faculty of Food Technology and Biotechnology
Subjects
anthracnose
Antimicrobial agents
Ascomycota
Banana
Care and treatment
Colletotrichum musae
Control
crown rot
Diseases and pests
Eau Activée
Fruits
Fungi
Health aspects
Hydrogen peroxide
Immunization
LPS
Microorganisms
Musa
Peroxidase
Pesticides
postharvest diseases
France
Guadeloupe
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Summary:Postharvest diseases are a major concern for plant products, leading to considerable postharvest losses. Colletotrichum musae is responsible for anthracnose and is also involved in crown rot, the two main postharvest diseases of banana. The use of antimicrobial agents such as the lactoperoxidase system (LPS) represents an interesting alternative to the use of conventional fungicides for the control of postharvest diseases of banana. Conidial germination and fungal growth of three different strains of Colletotrichum musae originating from Cameroon (C 52 and C 62) and Guadeloupe (C 46.12) were monitored in the presence of LPS or Eau Activee® (an industrial derivative of LPS). In vivo studies were also conducted on bananas preinoculated with strain C 46.12 and then subjected to a soaking treatment in LPS and Eau Activee® solutions. However, this postharvest treatment did not show any significant effect of the LPS or Eau Activee®. The in vitro studies showed a difference in the behaviour of Colletotrichum musae strains subjected to LPS and Eau Activee® treatments. A highly visible inhibitory effect of LPS was observed on fungal growth of strains C 52 and C 62. Furthermore, LPS gave better results than its industrial derivative, Eau Activee®. Key words: LPS, Eau Activee®, Colletotrichum musae, postharvest diseases, crown rot, anthracnose
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:1330-9862
1334-2606