ArticleAnnals of botany2017
Interactions of inbreeding and stress by poor host quality in a root hemiparasite.
Article in Annals of botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Induced defence by a root hemiparasite increases host plant resistance against future infection.Plant biology (Stuttgart, Germany) · 2026Article
- Epigenetic Changes Occurring in Plant Inbreeding.International journal of molecular sciences · 2023Review
- Performance of a parasitic plant and its effects on hosts depends on the interactions between parasite seed family and host species.AoB PLANTS · 2023Article
- Article
- Closely related parasitic plants have similar host requirements and related effects on hosts.Ecology and evolution · 2021Article
- Measuring the effect of environmental stress on inbreeding depression alone obscures the relative importance of inbreeding-stress interactions on overall fitness inEvolutionary applications · 2020Article
- Responses of a legume to inbreeding and the intensity of novel and familiar stresses.Ecology and evolution · 2019Article
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2 authors.
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Abstract
BACKGROUND AND
aimsPopulations of many hemiparasitic plants are fragmented and threatened by inbreeding depression (ID). In addition, they may also be strongly affected by a lack of suitable host species. However, nothing is known about possible interactive effects of inbreeding and host quality for parasitic plants. Poor host quality represents a special type of biotic stress and the magnitude of ID is often expected to be higher in more stressful environments.
methodsWe studied the effects of inbreeding and the quality of host species for the declining root hemiparasite Rhinanthus alectorolophus Selfed and open-pollinated parasites from two natural populations were grown (1) with 13 potential host species and (2) with 15 four-species mixtures. KEY
resultsID differed among host species and mixtures. In the first experiment, ID was highest in parasites grown with good hosts and declined with stress intensity. In the second experiment, ID was not influenced by stress intensity, but was highest in mixtures of hosts from only one functional group and lowest in mixtures containing three functional groups. Both parasite performance with individual host species and the damage to these host species differed between parasites from the two study populations.
conclusionsOur results contradict the common assumption that ID is generally higher in more stressful environments. In addition, they support the importance of diverse host communities for hemiparasitic plants. The differences in host quality between the two parasite populations indicate genetic variation in the adaptation to individual hosts and in host-specific virulence. However, inbreeding did not affect specific host-parasite interactions.
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