Inbreeding increases susceptibility to powdery mildew (Oidium neolycopersici) infestation in horsenettle (Solanum carolinense L)

Rupesh R. Kariyat, Consuelo M. de Moraes, Andrew G. Stephenson, Mark C. Mescher

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Inbreeding is common in flowering plants, but relatively few studies have examined its effects on interactions between plants and other organisms, such as herbivores and pathogens. In a recent paper, we documented effects of inbreeding depression on plant volatile signaling phenotypes, including elevated constitutive volatile emissions (and consequently greater herbivore recruitment to inbred plants) but reduced emission of key herbivore-induced volatiles that attract predatory and parasitic insects to damaged plants. While the effects of inbreeding on plant-insect interactions have been explored in only a few systems, even less is known about its effects on plant-pathogen interactions. Here we report the effects of inbreeding on horsenettle susceptibility to powdery mildew (Oidium neolycopersici), including more rapid onset of infection in inbred plants, particularly when plants were not previously damaged. These data suggest that inbreeding may increase plant susceptibility to pathogen infection and, therefore, may potentially facilitate pathogen establishment in natural populations.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalPlant Signaling and Behavior
Volume7
Issue number7
StatePublished - Jan 1 2012

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Oidium neolycopersici
Solanum carolinense
powdery mildew
inbreeding
herbivores
pathogens
predatory insects
plant-insect relations
inbreeding depression
plant pathogens
infection
parasitoids
Angiospermae
phenotype
organisms

All Science Journal Classification (ASJC) codes

  • Plant Science

Cite this

Kariyat, Rupesh R. ; de Moraes, Consuelo M. ; Stephenson, Andrew G. ; Mescher, Mark C. / Inbreeding increases susceptibility to powdery mildew (Oidium neolycopersici) infestation in horsenettle (Solanum carolinense L). In: Plant Signaling and Behavior. 2012 ; Vol. 7, No. 7. pp. 1-4.
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Inbreeding increases susceptibility to powdery mildew (Oidium neolycopersici) infestation in horsenettle (Solanum carolinense L). / Kariyat, Rupesh R.; de Moraes, Consuelo M.; Stephenson, Andrew G.; Mescher, Mark C.

In: Plant Signaling and Behavior, Vol. 7, No. 7, 01.01.2012, p. 1-4.

Research output: Contribution to journalArticle

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