Abstract
Summary The responses of root‐feeding black vine weevil ( Otiorhynchus sulcatus ) larvae and leaf‐feeding adults to colonization of strawberry ( Fragaria x ananassa ) plants by one or two species of arbuscular mycorrhizal fungi are reported here. Glomus mosseae and Glomus fasciculatum were isolated from a commercial field and used to colonize strawberry plants, singly and in combination. Vine weevil larvae were reared on roots of colonized and uncolonized plants. When the larvae were mature, leaves from all plants, with and without larvae, were fed to adult weevils. Colonization by either fungus reduced larval survival and biomass. However, colonization by both fungi had no effect on the larvae. These effects were manifested in changes in plant performance; weevil feeding decreased plant foliar and root biomass as well as runner production, but only when mycorrhizas were absent or inoculated together. Mycorrhizas also mitigated the effects of larval feeding on adult weevils. The response of root‐feeding insects to arbuscular mycorrhizal colonization depends on which fungi are present in the root system. Furthermore, arbuscular mycorrhizal fungi might play a critical role in mitigating interactions between phytophagous insects.
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Claims 4
Claim · model-written summary
Colonization by either fungus reduced vine weevil larval survival and biomass.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae0 - Treatment
- Colonization by either funguse1
- Interactor
- Vine weevile2pest
- Second interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- larval survival and biomasse1
- Direction
- reducede1
- Comparator
- uncolonized plantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“to colonization of strawberry ( Fragaria x ananassa ) plants by one or two species of arbuscular mycorrhizal fungi”
e1“Colonization by either fungus reduced larval survival and biomass”
e2“Vine weevil larvae were reared on roots of colonized and uncolonized plants”
Claim · model-written summary
Colonization by both fungi had no effect on the vine weevil larvae.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- colonization by both fungie3
- Interactor
- Vine weevile2pest
- Second interactor
- arbuscular mycorrhizal fungie0symbiont
- Outcome
- effect on the larvaee3
- Direction
- had no effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to colonization of strawberry ( Fragaria x ananassa ) plants by one or two species of arbuscular mycorrhizal fungi”
e2“Vine weevil larvae were reared on roots of colonized and uncolonized plants”
e3“colonization by both fungi had no effect on the larvae”
Claim · model-written summary
Weevil feeding decreased strawberry foliar and root biomass and runner production, but only when mycorrhizas were absent or inoculated together.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- weevil feedinge4
- Interactor
- weevile4pest
- Outcome
- foliar and root biomass as well as runner productione4
- Direction
- decreasede4
- Qualifier
- only when mycorrhizas were absent or inoculated togethere4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to colonization of strawberry ( Fragaria x ananassa ) plants by one or two species of arbuscular mycorrhizal fungi”
e4“weevil feeding decreased plant foliar and root biomass as well as runner production, but only when mycorrhizas were absent or inoculated together”
Claim · model-written summary
Mycorrhizas mitigated the effects of larval feeding on adult weevils.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- Mycorrhizase5
- Interactor
- adult weevilse5pest
- Outcome
- effects of larval feeding on adult weevilse5
- Direction
- mitigatede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to colonization of strawberry ( Fragaria x ananassa ) plants by one or two species of arbuscular mycorrhizal fungi”
e5“Mycorrhizas also mitigated the effects of larval feeding on adult weevils”
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