Quantity and specialisation matter: Effects of quantitative and qualitative variation in willow chemistry on resource preference in leaf-chewing insects

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F22%3A00550694" target="_blank" >RIV/60077344:_____/22:00550694 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60076658:12310/22:43904693

Výsledek na webu

<a href="https://resjournals.onlinelibrary.wiley.com/doi/10.1111/icad.12559" target="_blank" >https://resjournals.onlinelibrary.wiley.com/doi/10.1111/icad.12559</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1111/icad.12559" target="_blank" >10.1111/icad.12559</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Quantity and specialisation matter: Effects of quantitative and qualitative variation in willow chemistry on resource preference in leaf-chewing insects

Popis výsledku v původním jazyce

Plants produce multiple specialised metabolites to defend themselves against insect herbivores. Phytochemical diversity plays important roles in plant-insect interactions, but specific roles of its various dimensions are poorly known. Interspecific chemical beta-diversity represents variation in presence of species-specific metabolites or quantitative variation in concentrations of metabolites common to several plant species. We hypothesised that qualitative and quantitative variation in plant chemistry can have differential effects on herbivores from various insect orders. We linked phytochemical variation in willow salicylates (Salicaceae-specific metabolites) and flavonoids (widespread metabolites) to a standardised distance-based specialisation index (DSI*) in three orders of leaf-chewing insects: sawfly larvae, beetles, and caterpillars. In beetles, average DSI* accounting for host chemical beta-diversity did not differ from DSI* disregarding host chemistry. Levels of chemical specialisation did not differ among beetle species feeding only on Salicaceae and those using other plant families, suggesting that both can overcome willow chemistry by alternative physiological or behavioural adaptations. Contrastingly, sawflies and caterpillars responded to willow chemistry, with their DSI* corresponding mainly to quantitative differences in willow metabolites. The DSI* accounting for salicylates did not differ from the one accounting for flavonoids in either of the two orders. Our results suggest that beta-diversity in plant chemistry has differential effects on insect herbivores depending on their order and chemical beta-diversity measurement used. Our results emphasise the importance of quantitative variation in plant chemical composition, suggesting that it does not always have to be rare or species-specific metabolites that drive host-choice of leaf-chewing insects.

Název v anglickém jazyce

Quantity and specialisation matter: Effects of quantitative and qualitative variation in willow chemistry on resource preference in leaf-chewing insects

Popis výsledku anglicky

Plants produce multiple specialised metabolites to defend themselves against insect herbivores. Phytochemical diversity plays important roles in plant-insect interactions, but specific roles of its various dimensions are poorly known. Interspecific chemical beta-diversity represents variation in presence of species-specific metabolites or quantitative variation in concentrations of metabolites common to several plant species. We hypothesised that qualitative and quantitative variation in plant chemistry can have differential effects on herbivores from various insect orders. We linked phytochemical variation in willow salicylates (Salicaceae-specific metabolites) and flavonoids (widespread metabolites) to a standardised distance-based specialisation index (DSI*) in three orders of leaf-chewing insects: sawfly larvae, beetles, and caterpillars. In beetles, average DSI* accounting for host chemical beta-diversity did not differ from DSI* disregarding host chemistry. Levels of chemical specialisation did not differ among beetle species feeding only on Salicaceae and those using other plant families, suggesting that both can overcome willow chemistry by alternative physiological or behavioural adaptations. Contrastingly, sawflies and caterpillars responded to willow chemistry, with their DSI* corresponding mainly to quantitative differences in willow metabolites. The DSI* accounting for salicylates did not differ from the one accounting for flavonoids in either of the two orders. Our results suggest that beta-diversity in plant chemistry has differential effects on insect herbivores depending on their order and chemical beta-diversity measurement used. Our results emphasise the importance of quantitative variation in plant chemical composition, suggesting that it does not always have to be rare or species-specific metabolites that drive host-choice of leaf-chewing insects.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10618 - Ecology

Projekt

<a href="/cs/project/GJ20-10543Y" target="_blank" >GJ20-10543Y: Proč je chemická obrana rostlin tak pestrá: role hmyzích herbivorů v diverzifikaci obranných mechanismů vrb</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Insect Conservation and Diversity

ISSN

1752-458X

e-ISSN

1752-4598

Svazek periodika

15

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

8

Strana od-do

453-460

Kód UT WoS článku

000732593600001

EID výsledku v databázi Scopus

2-s2.0-85121567597