Dynamics of post-harvest pathogens Neofabraea spp. and Cadophora spp. in plant residues in Dutch apple and pear orchards

J. Köhl, M. Wenneker, B.H. de Haas, R.H.N. Anbergen, H.M. Goossen-van de Geijn, F.A.M.F. Pinto, P. Kastelein

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4 Citations (Scopus)

Abstract

Post-harvest diseases of apple and pear cause significant losses.
Neofabraea spp. and Cadophora spp. infect fruits during the growing season and remain quiescent until disease symptoms occur after several months in storage. Epidemiological knowledge of these diseases is limited. TaqMan PCR assays were developed for quantification of N. alba, N. perennans, C. malorum and C. luteo-olivacea in environmental samples. Various host tissues, dead weeds and grasses, soil and applied composts were collected in 10 apple and 10 pear orchards in May 2012. Neofabraea alba was detected in 73% of samples from apple orchards and 48% from pear orchards. Neofabraea perennans was present in a few samples. Cado- phora luteo-olivacea was detected in 99% of samples from apple orchards and 93% from pear orchards, whilst C. malo-rum was not detected in any sample. In apple orchards, highest concentrations of N. alba
were found in apple leaf litter, cankers and mummies, and of C. luteo-olivacea in apple leaf litter, mummies and dead weeds. In pear orchards, N. alba and C. luteo-olivacea were found in highest concentrations in pear leaf litter and in dead weeds. Substrate colonization varied considerably between orchards. The temporal dynamics of pathogens was followed in four apple orchards and four
pear orchards. In apple orchards the colonization by pathogens decreased from April until August and increased from September until December. This pattern was less pronounced in pear. Knowledge on population dynamics is essential for
the development of preventative measures to reduce risks of fruit infections during the growing season.
Original languageEnglish
Pages (from-to)1264-1277
JournalPlant Pathology
Volume67
Issue number6
DOIs
Publication statusPublished - 30 Mar 2018

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Neofabraea
Cadophora
Pyrus
plant residues
Malus
pears
orchards
apples
pathogens
Mummies
plant litter
weeds
Fruit
Soil
sampling
growing season
rum
cankers (plants)
Population Dynamics
Poaceae

Cite this

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title = "Dynamics of post-harvest pathogens Neofabraea spp. and Cadophora spp. in plant residues in Dutch apple and pear orchards",
abstract = "Post-harvest diseases of apple and pear cause significant losses.Neofabraea spp. and Cadophora spp. infect fruits during the growing season and remain quiescent until disease symptoms occur after several months in storage. Epidemiological knowledge of these diseases is limited. TaqMan PCR assays were developed for quantification of N. alba, N. perennans, C. malorum and C. luteo-olivacea in environmental samples. Various host tissues, dead weeds and grasses, soil and applied composts were collected in 10 apple and 10 pear orchards in May 2012. Neofabraea alba was detected in 73{\%} of samples from apple orchards and 48{\%} from pear orchards. Neofabraea perennans was present in a few samples. Cado- phora luteo-olivacea was detected in 99{\%} of samples from apple orchards and 93{\%} from pear orchards, whilst C. malo-rum was not detected in any sample. In apple orchards, highest concentrations of N. albawere found in apple leaf litter, cankers and mummies, and of C. luteo-olivacea in apple leaf litter, mummies and dead weeds. In pear orchards, N. alba and C. luteo-olivacea were found in highest concentrations in pear leaf litter and in dead weeds. Substrate colonization varied considerably between orchards. The temporal dynamics of pathogens was followed in four apple orchards and fourpear orchards. In apple orchards the colonization by pathogens decreased from April until August and increased from September until December. This pattern was less pronounced in pear. Knowledge on population dynamics is essential forthe development of preventative measures to reduce risks of fruit infections during the growing season.",
author = "J. K{\"o}hl and M. Wenneker and {de Haas}, B.H. and R.H.N. Anbergen and {Goossen-van de Geijn}, H.M. and F.A.M.F. Pinto and P. Kastelein",
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language = "English",
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Dynamics of post-harvest pathogens Neofabraea spp. and Cadophora spp. in plant residues in Dutch apple and pear orchards. / Köhl, J.; Wenneker, M.; de Haas, B.H.; Anbergen, R.H.N.; Goossen-van de Geijn, H.M.; Pinto, F.A.M.F.; Kastelein, P.

In: Plant Pathology, Vol. 67, No. 6, 30.03.2018, p. 1264-1277.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

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AU - Köhl, J.

AU - Wenneker, M.

AU - de Haas, B.H.

AU - Anbergen, R.H.N.

AU - Goossen-van de Geijn, H.M.

AU - Pinto, F.A.M.F.

AU - Kastelein, P.

PY - 2018/3/30

Y1 - 2018/3/30

N2 - Post-harvest diseases of apple and pear cause significant losses.Neofabraea spp. and Cadophora spp. infect fruits during the growing season and remain quiescent until disease symptoms occur after several months in storage. Epidemiological knowledge of these diseases is limited. TaqMan PCR assays were developed for quantification of N. alba, N. perennans, C. malorum and C. luteo-olivacea in environmental samples. Various host tissues, dead weeds and grasses, soil and applied composts were collected in 10 apple and 10 pear orchards in May 2012. Neofabraea alba was detected in 73% of samples from apple orchards and 48% from pear orchards. Neofabraea perennans was present in a few samples. Cado- phora luteo-olivacea was detected in 99% of samples from apple orchards and 93% from pear orchards, whilst C. malo-rum was not detected in any sample. In apple orchards, highest concentrations of N. albawere found in apple leaf litter, cankers and mummies, and of C. luteo-olivacea in apple leaf litter, mummies and dead weeds. In pear orchards, N. alba and C. luteo-olivacea were found in highest concentrations in pear leaf litter and in dead weeds. Substrate colonization varied considerably between orchards. The temporal dynamics of pathogens was followed in four apple orchards and fourpear orchards. In apple orchards the colonization by pathogens decreased from April until August and increased from September until December. This pattern was less pronounced in pear. Knowledge on population dynamics is essential forthe development of preventative measures to reduce risks of fruit infections during the growing season.

AB - Post-harvest diseases of apple and pear cause significant losses.Neofabraea spp. and Cadophora spp. infect fruits during the growing season and remain quiescent until disease symptoms occur after several months in storage. Epidemiological knowledge of these diseases is limited. TaqMan PCR assays were developed for quantification of N. alba, N. perennans, C. malorum and C. luteo-olivacea in environmental samples. Various host tissues, dead weeds and grasses, soil and applied composts were collected in 10 apple and 10 pear orchards in May 2012. Neofabraea alba was detected in 73% of samples from apple orchards and 48% from pear orchards. Neofabraea perennans was present in a few samples. Cado- phora luteo-olivacea was detected in 99% of samples from apple orchards and 93% from pear orchards, whilst C. malo-rum was not detected in any sample. In apple orchards, highest concentrations of N. albawere found in apple leaf litter, cankers and mummies, and of C. luteo-olivacea in apple leaf litter, mummies and dead weeds. In pear orchards, N. alba and C. luteo-olivacea were found in highest concentrations in pear leaf litter and in dead weeds. Substrate colonization varied considerably between orchards. The temporal dynamics of pathogens was followed in four apple orchards and fourpear orchards. In apple orchards the colonization by pathogens decreased from April until August and increased from September until December. This pattern was less pronounced in pear. Knowledge on population dynamics is essential forthe development of preventative measures to reduce risks of fruit infections during the growing season.

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DO - 10.1111/ppa.12854

M3 - Article

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JO - Plant Pathology

JF - Plant Pathology

SN - 0032-0862

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