Abstract
Host part selection by ovipositing females of Ascia monuste (Godart, 1919) (Lepidoptera, Pieridae) on kale (Brassica oleracea var. acephala) was determined in greenhouse and field. Performance of offspring (larval period, efficiency of food utilization, number of eggs/female and others) was investigated under laboratory conditions. In the field, the number of A. monuste egg clutches on the apical and medium parts of kale leaves was greater than on the basal part. In greenhouse, A. monuste exhibited a strong preference for the apical part of kale leaves for ovipositing. The best results on food utilization indices, pupal mass and female wing size were obtained with the leaf apical part. This part of kale leaves exhibited the highest nitrogen and protein concentration and the smallest water content, when compared to the other leaf parts. However, the apical part of the leaves seems not to provide ovipositing females with enough protection against birds, making them easy preys in the field. We suggest that good relationship between oviposition preference and performance of offspring was hindered by predation in field conditions.
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Claims 6
Claim · model-written summary
In the field, Ascia monuste laid more egg clutches on apical and middle kale leaves than on basal leaves.
- Taxon
- kale
Brassica oleracea var. viridise0 - Organ / stage
- apical and medium parts of kale leavese0
- Interactor
- A. monuste
Ascia monustee0pestt1 - Outcome
- number of A. monuste egg clutchese0
- Direction
- greatere0
- Comparator
- basal parte0
- Setting
- fielde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the field, the number of A. monuste egg clutches on the apical and medium parts of kale leaves was greater than on the basal part.”
t1“Ascia monuste”
Claim · model-written summary
In the greenhouse, Ascia monuste strongly preferred the apical kale leaf region for egg laying.
- Taxon
- kaleBrassica oleracea var. viridise0
- Interactor
- A. monusteAscia monustee0pestt1
- Outcome
- strong preference for the apical part of kale leaves for ovipositinge0
- Setting
- greenhousee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In greenhouse, A. monuste exhibited a strong preference for the apical part of kale leaves for ovipositing.”
t1“Ascia monuste”
Claim · model-written summary
Apical kale leaves produced the best butterfly food-utilization indices, pupal mass, and female wing size.
- Taxon
- kaleBrassica oleracea var. viridist0
- Organ / stage
- leaf apical parte0
- Interactor
- Ascia monusteAscia monustet1pest
- Outcome
- food utilization indices, pupal mass and female wing sizee0
- Direction
- beste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best results on food utilization indices, pupal mass and female wing size were obtained with the leaf apical part.”
t1“Ascia monuste”
t0“kale”
Claim · model-written summary
Apical kale leaves had the highest nitrogen and protein concentrations relative to other leaf parts.
- Taxon
- kaleBrassica oleracea var. viridise0
- Organ / stage
- kale leavese0
- Outcome
- nitrogen and protein concentratione0
- Direction
- higheste0
- Comparator
- other leaf partse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This part of kale leaves exhibited the highest nitrogen and protein concentration and the smallest water content, when compared to the other leaf parts.”
Claim · model-written summary
Apical kale leaves had the lowest water content relative to other leaf parts.
- Taxon
- kaleBrassica oleracea var. viridise0
- Organ / stage
- kale leavese0
- Outcome
- water contente0
- Direction
- smalleste0
- Comparator
- other leaf partse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This part of kale leaves exhibited the highest nitrogen and protein concentration and the smallest water content, when compared to the other leaf parts.”
Claim · model-written summary
The authors suggest that field predation hindered the relationship between oviposition preference and offspring performance.
- Taxon
- kaleBrassica oleracea var. viridist0
- Interactor
- Ascia monusteAscia monustet1pest
- Outcome
- relationship between oviposition preference and performance of offspringe0
- Qualifier
- predation in field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We suggest that good relationship between oviposition preference and performance of offspring was hindered by predation in field conditions.”
t1“Ascia monuste”
t0“kale”