Plant-parasitic nematodes in pome & stone fruit orchards : biology & management in Washington

Tianna DuPont; Howard Ferris; Mark Mazzola

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Plant-parasitic nematodes in pome & stone fruit orchards : biology & management in Washington

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Plant-parasitic nematodes in pome & stone fruit orchards : biology & management in Washington

Tianna DuPont, Howard Ferris and Mark Mazzola

Fact sheet (Washington State University. Extension), 298E, Washington State University Extension

04/2018

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https://hdl.handle.net/2376/13076

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Abstract

Soil nematodes--Washington (State)

Nematode diseases of plants--Washington (State)

Stone fruit--Diseases and pests--Washington (State)

Apples--Diseases and pests--Washington (State)

Pears--Diseases and pests--Washington (State)

A diversity of microscopic round worms called nematodes inhabit orchard soils. Many of the nematodes in orchard soils contribute to soil health functions. Fungal feeding and bacterial feeding, predatory and omnivorous nematodes provide a number of services including nitrogen mineralization and plant pathogen suppression. However, plant-parasitic nematodes feed on plants; damaging roots and creating wounds which may serve as infection points for plant pathogenic fungi, thereby directly transmitting certain pathogens, such as viruses, to the host plant. Plant-parasitic nematodes have a needle-like stylet in their mouthparts which they use to feed on plant cells. Nematodes can either be migratory or sedentary. Migratory nematodes move through roots as they feed, disrupting plant cells or feeding entirely on the outer surface. Sedentary nematodes manipulate normal cell development and create a feeding site. All of these lifestyles and behaviors interrupt the plant’s ability to transport water and nutrients. Nematode feeding can also directly kill plant cells, root hairs, and even whole roots. Here we will describe a few key plant-parasitic nematodes that can cause damage in the orchard.

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Title: Plant-parasitic nematodes in pome & stone fruit orchards : biology & management in Washington
Creators: Tianna DuPont (Author)
Howard Ferris (Author)
Mark Mazzola (Author)
Academic Unit: Publications, WSU Extension
Series: Fact sheet (Washington State University. Extension); 298E
Publisher: Washington State University Extension; Pullman, Washington
Identifiers: 99900502395201842
Copyright: Copyright Not Evaluated ; openAccess ; http://rightsstatements.org/vocab/CNE/1.0/ ; http://purl.org/eprint/accessRights/OpenAccess
Language: English
Resource Type: Report