Ecological cross-effects of induced plant responses towards herbivores and phytopathogenic fungi

Rostás, Michael; Simon, Matthias; Hilker, Monika

doi:10.1078/1439-1791-00132

Cited by 98 publications

(100 citation statements)

References 71 publications

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“…This should again contribute to the variability of reactions that plants exhibit. Plant infestations by multiple species and their crosseffects have been studied for direct defenses (Hatcher, 1995;Rostàs et al, 2003), but not yet in the context of indirect defenses.…”

Section: Cross-effectsmentioning

confidence: 99%

“…Studies on the cross-effects of herbivore and pathogen infestation on direct defenses have yielded results that can be quite different for different systems (Karban and Kuc, 1999;Stout and Bostock, 1999;Rostàs et al, 2003). The cucumber plant has been studied in detail with several pathogens and herbivores (Apriyanto and Potter, 1990;Ajlan and Potter, 1991;Moran, 1998).…”

Section: Cross-effectsmentioning

confidence: 99%

“…Hatcher and co-workers (Hatcher et al, 1994a(Hatcher et al, ,b, 1995Hatcher and Paul, 2000) found that fungus infection made Rumex plants less preferred for oviposition and consumption by the beetle and, vice versa, that plants subjected to leaf beetle damage were less prone to rust infection. The studies reviewed by Rostàs et al (2003) showed a general tendency of adverse effects of plant antagonists on each other. Very little information is available on how such cross-effects affect tritrophic interactions.…”

Section: Cross-effectsmentioning

confidence: 99%

See 2 more Smart Citations

Recruitment of predators and parasitoids by herbivore-injured plants

Turlings

Wäckers

2004

Advances in Insect Chemical Ecology

300

258

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Section: Cross-effectsmentioning

confidence: 99%

Section: Cross-effectsmentioning

confidence: 99%

Section: Cross-effectsmentioning

confidence: 99%

See 1 more Smart Citation

Recruitment of predators and parasitoids by herbivore-injured plants

Turlings

Wäckers

2004

Advances in Insect Chemical Ecology

300

258

View full text Add to dashboard Cite

“…Herbivorous insects and phytopathogenic fungi may encounter each other on the same individual host plant, and it is well-known that numerous plantmediated interactions occur in fungus-plant-insect systems (Hatcher et al, 1995;Kruess, 2002;Rostás et al, 2003). The plant-mediated interactions may be direct interactions, indirect interactions, or both.…”

Section: Introductionmentioning

confidence: 99%

Alternaria toxin-induced resistance in rose plants against rose aphid (Macrosiphum rosivorum): effect of tenuazonic acid

Yang

et al. 2015

J. Zhejiang Univ. Sci. B

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Abstract:Many different types of toxins are produced by the fungus, Alternaria alternata (Fr.) Keissler. Little is known, however, regarding the influence of these toxins on insects. In this study, we investigated the toxin-induced inhibitory effects of the toxin produced by A. alternata on the rose aphid, Macrosiphum rosivorum, when the toxin was applied to leaves of the rose, Rosa chinensis. The results demonstrated that the purified crude toxin was non-harmful to rose plants and rose aphids, but had an intensive inhibitory effect on the multiplication of aphids. The inhibitory index against rose aphids reached 87.99% when rose plants were sprayed with the toxin solution at a low concentration. Further results from bioassays with aphids and high performance liquid chromatography (HPLC) analyses demonstrated that tenuazonic acid (TeA) was one of the most important resistance-related active components in the crude toxin. The content of TeA was 0.1199% in the crude toxin under the HPLC method. Similar to the crude toxin, the inhibitory index of pure TeA reached 83.60% 15 d after the rose plants were sprayed with pure TeA solution at the lower concentration of 0.060 μg/ml, while the contents of residual TeA on the surface and in the inner portion of the rose plants were only 0.04 and 0.00 ng/g fresh weight of TeA-treated rose twigs, respectively, 7 d after the treatment. Our results show that TeA, an active component in the A. alternata toxin, can induce the indirect plant-mediated responses in rose plants to intensively enhance the plant's resistances against rose aphids, and the results are very helpful to understand the plant-mediated interaction between fungi and insects on their shared host plants.

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“…The outcome of such interactions is dependent on the plant, herbivore and pathogen species involved. Pathogen infection may have either beneficial, neutral or detrimental effects on herbivore performance, and likewise herbivory may affect pathogen growth (for a comprehensive overview see Rostás et al, 2003). However, despite abundant literature, crosstalk effects between phytohormonal signaling pathways and the impact of pathogens on plant volatile emissions remain largely unexplored.…”

Section: Induced Plant Vocs In Interactions Between Phytopathogens Anmentioning

confidence: 99%

Plants under dual attack : consequences for plant chemistry and parasitoid behavior

Ponzio

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Ecological cross-effects of induced plant responses towards herbivores and phytopathogenic fungi

Cited by 98 publications

References 71 publications

Recruitment of predators and parasitoids by herbivore-injured plants

Recruitment of predators and parasitoids by herbivore-injured plants

Alternaria toxin-induced resistance in rose plants against rose aphid (Macrosiphum rosivorum): effect of tenuazonic acid

Plants under dual attack : consequences for plant chemistry and parasitoid behavior

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