UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids

Kuhlmann F, Müller C (2010)
PLANT BIOLOGY 12(4): 676-684.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
Plants face various abiotic and biotic environmental factors and therefore need to adjust their phenotypic traits on several levels. UV-B radiation is believed to impact herbivorous insects via host plant changes. Plant responses to abiotic challenges (UV-B radiation) and their interaction with two aphid species were explored in a multifactor approach. Broccoli plants [Brassica oleracea L. convar. botrytis (L.), Brassicaceae] were grown in two differently covered greenhouses, transmitting either 80% (high UV-B) or 4% (low UV-B) of ambient UV-B. Three-week-old plants were infested with either specialist cabbage aphids [Brevicoryne brassicae (L.), Sternorrhyncha, Aphididae] or generalist green peach aphids [Myzus persicae (Sulzer), Sternorrhyncha, Aphididae]. Plants grown under high-UV-B intensities were smaller and had higher flavonoid concentrations. Furthermore, these plants had reduced cuticular wax coverage, whereas amino acid concentrations of the phloem sap were little influenced by different UV-B intensities. Cabbage aphids reproduced less on plants grown under high UV-B than on plants grown under low UV-B, whereas reproduction of green peach aphids in both plant light sources was equally poor. These results are likely related to the different specialisation-dependent sensitivities of the two species. The aphids also affected plant chemistry. High numbers of cabbage aphid progeny on low-UV-B plants led to decreased indolyl glucosinolate concentrations. The induced change in these glucosinolates may depend on an infestation threshold. UV-B radiation considerably impacts plant traits and subsequently affects specialist phloem-feeding aphids, whereas aphid growth forces broccoli to generate specific defence responses.
Stichworte
glucosinolates; phloem amino; acids; UV-B radiation; plant-aphid interactions; flavonoids; cuticular waxes; Brassicaceae
Erscheinungsjahr
2010
Zeitschriftentitel
PLANT BIOLOGY
Band
12
Ausgabe
4
Seite(n)
676-684
ISSN
1435-8603
eISSN
1438-8677
Page URI
https://pub.uni-bielefeld.de/record/1795275

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Kuhlmann F, Müller C. UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids. PLANT BIOLOGY. 2010;12(4):676-684.
Kuhlmann, F., & Müller, C. (2010). UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids. PLANT BIOLOGY, 12(4), 676-684. doi:10.1111/j.1438-8677.2009.00257.x
Kuhlmann, F., and Müller, C. (2010). UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids. PLANT BIOLOGY 12, 676-684.
Kuhlmann, F., & Müller, C., 2010. UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids. PLANT BIOLOGY, 12(4), p 676-684.
F. Kuhlmann and C. Müller, “UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids”, PLANT BIOLOGY, vol. 12, 2010, pp. 676-684.
Kuhlmann, F., Müller, C.: UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids. PLANT BIOLOGY. 12, 676-684 (2010).
Kuhlmann, F., and Müller, Caroline. “UV-B impact on aphid performance mediated by plant quality and plant changes induced by aphids”. PLANT BIOLOGY 12.4 (2010): 676-684.

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