New and emerging postharvest diseases in pome fruit in the Netherlands

M. Wenneker*, K.T.K. Pham, P.J. Van Leeuwen, A.C.R. Van Schaik, J. Kohl

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Postharvest diseases of apple and pear are caused by a range of fungal pathogens, and often result in significant economic losses during storage. In general, this group of pathogens infects developing fruits during the growing season and remains quiescent without causing symptoms during the growing season and after harvest during the first weeks in storage. Typically, symptoms of disease occur after several months in cold storage with controlled atmosphere. Common pathogens causing such late postharvest losses are Neofabraea spp. (lenticel rot or bull eye's rot), Neonectria galligena (Nectria rot; blossom-end rot), Colletotrichum acutatum species complex (bitter rot), Phytophthora spp., Alternaria spp., and Stemphylium vesicarium. A survey of apple and pear fruit lots in the Netherlands in 2012-2016 revealed a number of new and emerging postharvest diseases. The most important pathogens were Cadophora luteo-olivacea causing side rot on pears, and Fibulorhizoctonia psychrophila as the causal agent of lenticel spot on apples and pears. Also new problems were observed, caused by several pathogens not earlier described in the Netherlands on apple or pear, such as Fusarium avenaceum on pear and apple, Neonectria candida and Neofabraea kienholzii on pear, and Colletotrichum godetiae and Truncatella angustata on apple.

Original languageEnglish
Pages (from-to)143-149
Number of pages7
JournalActa Horticulturae
Volume1323
DOIs
Publication statusPublished - Oct 2021

Keywords

  • Fungal pathogens
  • Latent infection
  • Storage diseases

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