Abstract
Abstract The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), highly prefers to oviposit on yellow rocket, Barbarea vulgaris (R. Br.) (Cruciferae) var. arcuata , despite larvae not being able to survive on it, suggesting it may have potential as a trap crop. In a no‐choice greenhouse experiment, P. xylostella laid 28% more eggs on B. vulgaris than on cabbage. Within the B. vulgaris plant, P. xylostella laid 3.7 times more eggs on younger than older leaves. Furthermore, we demonstrated that in the presence of B. vulgaris volatiles, P. xylostella laid 23% more eggs on cabbage plants than when B. vulgaris volatiles were absent. Because increased oogenesis in the presence of B. vulgaris could complicate the use of this host as a trap crop for P. xylostella , we wanted to examine levels of oogenesis in varying mixtures of cabbage and B. vulgaris . In outdoor screenhouse experiments, P. xylostella laid a decreasing percentage of eggs on cabbage as the percentage of B. vulgaris increased. However, the total number of eggs laid on cabbage did not differ among treatments, suggesting that the presence of B. vulgaris may have stimulated P. xylostella oviposition. In the field, total oviposition in cabbage plots containing B. vulgaris was 6.3 times higher than in cabbage plots without B. vulgaris . However, in plots with B. vulgaris , P. xylostella laid 99% of the eggs on B. vulgaris and oviposition on cabbage plants was 6.2 times lower than in the plots without B. vulgaris . The results of this study are discussed according to P. xylostella egg‐laying behavior and life history as it relates to its interaction with B. vulgaris .
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Claims 10
Claim · model-written summary
Plutella xylostella laid 28% more eggs on Barbarea vulgaris than on cabbage.
- Taxon
- Barbarea vulgaris
_Barbarea_vulgaris_-_Habit.jpg?width=60)
Barbarea vulgarise1 - Interactor
- Plutella xylostella
Plutella xylostellae0pest - Outcome
- eggse2
- Direction
- moree2
- Value
- 28%e2
- Comparator
- cabbagee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Barbarea_vulgaris_-_Habit.jpg?width=500)
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e1“highly prefers to oviposit on yellow rocket, Barbarea vulgaris (R. Br.) (Cruciferae) var. arcuata”
e2“P. xylostella laid 28% more eggs on B. vulgaris than on cabbage”
Claim · model-written summary
Plutella xylostella laid 3.7 times more eggs on younger than on older leaves of Barbarea vulgaris.
- Taxon
- Barbarea vulgarisBarbarea vulgarise1
- Organ / stage
- leavese3
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- eggse3
- Direction
- moree3
- Value
- 3.7 timese3
- Comparator
- older leavese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e1“highly prefers to oviposit on yellow rocket, Barbarea vulgaris (R. Br.) (Cruciferae) var. arcuata”
e3“Within the B. vulgaris plant, P. xylostella laid 3.7 times more eggs on younger than older leaves”
Claim · model-written summary
Barbarea vulgaris volatiles increased egg laying by Plutella xylostella on cabbage plants by 23%.
- Taxon
- cabbage
Brassica oleracea var. capitatae4 - Treatment
- B. vulgaris volatilese4
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- eggse4
- Direction
- moree4
- Value
- 23%e4
- Comparator
- when B. vulgaris volatiles were absente4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e4“in the presence of B. vulgaris volatiles, P. xylostella laid 23% more eggs on cabbage plants than when B. vulgaris volatiles were absent”
Claim · model-written summary
The percentage of Plutella xylostella eggs laid on cabbage decreased as the percentage of Barbarea vulgaris in outdoor screenhouse mixtures increased.
- Taxon
- cabbageBrassica oleracea var. capitatae5
- Treatment
- percentage of B. vulgarise5
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- percentage of eggs on cabbagee5
- Direction
- decreasinge5
- Setting
- outdoor screenhousee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e5“In outdoor screenhouse experiments, P. xylostella laid a decreasing percentage of eggs on cabbage as the percentage of B. vulgaris increased”
Claim · model-written summary
The total number of eggs laid on cabbage did not differ among the mixture treatments.
- Taxon
- cabbageBrassica oleracea var. capitatae6
- Treatment
- percentage of B. vulgarise5
- Outcome
- total number of eggs laid on cabbagee6
- Direction
- did not differe6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“In outdoor screenhouse experiments, P. xylostella laid a decreasing percentage of eggs on cabbage as the percentage of B. vulgaris increased”
e6“However, the total number of eggs laid on cabbage did not differ among treatments, suggesting that the presence of B. vulgaris may have stimulated P. xylostella oviposition”
Claim · model-written summary
The presence of Barbarea vulgaris may have stimulated Plutella xylostella oviposition on cabbage (hypothesis from the egg counts).
- Taxon
- cabbageBrassica oleracea var. capitatae6
- Treatment
- presence of B. vulgarise6
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- P. xylostella ovipositione6
- Direction
- stimulatede6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e6“However, the total number of eggs laid on cabbage did not differ among treatments, suggesting that the presence of B. vulgaris may have stimulated P. xylostella oviposition”
Claim · model-written summary
Total oviposition in field cabbage plots containing Barbarea vulgaris was 6.3 times higher than in cabbage plots without it.
- Taxon
- cabbageBrassica oleracea var. capitatae7
- Treatment
- B. vulgarise7
- Outcome
- total ovipositione7
- Direction
- highere7
- Value
- 6.3 timese7
- Comparator
- cabbage plots without B. vulgarise7
- Setting
- fielde7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“In the field, total oviposition in cabbage plots containing B. vulgaris was 6.3 times higher than in cabbage plots without B. vulgaris”
Claim · model-written summary
Oviposition on cabbage plants was 6.2 times lower in plots with Barbarea vulgaris than in plots without it.
- Taxon
- cabbageBrassica oleracea var. capitatae1
- Treatment
- B. vulgarise1
- Outcome
- oviposition on cabbage plantse1
- Direction
- lowere1
- Value
- 6.2 timese1
- Comparator
- plots without B. vulgarise1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“oviposition on cabbage plants was 6.2 times lower than in the plots without B. vulgaris”
Claim · model-written summary
In plots with Barbarea vulgaris, Plutella xylostella laid 99% of its eggs on B. vulgaris.
- Taxon
- Barbarea vulgarisBarbarea vulgarise1
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- eggse2
- Value
- 99%e2
- Qualifier
- in plots with B. vulgarise2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e1“highly prefers to oviposit on yellow rocket, Barbarea vulgaris (R. Br.) (Cruciferae) var. arcuata”
e2“in plots with B. vulgaris , P. xylostella laid 99% of the eggs on B. vulgaris”
Claim · model-written summary
Plutella xylostella larvae were not able to survive on Barbarea vulgaris.
- Taxon
- Barbarea vulgarisBarbarea vulgarise1
- Interactor
- Plutella xylostellaPlutella xylostellae0pest
- Outcome
- survivee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The diamondback moth, Plutella xylostella (L.)”
e1“highly prefers to oviposit on yellow rocket, Barbarea vulgaris (R. Br.) (Cruciferae) var. arcuata”
e2“despite larvae not being able to survive on it”
The same questions in other papers
Barbarea vulgaris · Plutella xylostella · Brassica oleracea (wild cabbage)Positive and negative results
2 in the opposite direction
- positive
- positive
Barbarea vulgaris · pest · Brassica oleracea (wild cabbage)Positive and negative results
2 in the opposite direction
- positive
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.