Abstract
Climate change in terms of elevated CO2 (eCO2) and temperature may have host mediated effects which could affect the survival, growth and development, and population dynamics of insect herbivores. The present study aimed to examine the growth and development of leaf feeding Spodoptera litura (Fabricius) (Noctuidae: Lepidoptera) reared on groundnut (Arachis hypogaea L.) grown under different climate change treatments under open top chambers (OTC’s) at University of Agricultural Sciences, Raichur, Karnataka. Significantly lower leaf nitrogen, higher carbon, C: N ratio, phenols and tannins was observed in the groundnut foliage grown under eCO2 conditions. This alteration in food quality in elevated conditions significantly affected the growth parameters of S. litura in the form of increased food consumption, increased larval weight and more faecal matter production due to extended larval and pupal duration. This resulted in reduced fecundity, particularly in the population raised under eCO2 conditions compared to ambient conditions. Further, the insect larva showed increased approximate digestibility and relative consumption rate under eCO2 condition coupled with reduced efficiency of conversion of ingested food. As a result, the relative growth rate was decreased under eCO2 conditions. In nutshell, it can be concluded that eCO2 concentrations altered the quality of groundnut foliage as it was noticed by the changes in biochemical constituents of the foliage and has the negative effect on the growth and development of S. litura.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 8
Claim · model-written summary
Elevated CO2 lowered groundnut leaf nitrogen.
- Taxon
- groundnut
Arachis hypogaeae0 - Organ / stage
- leafe0
- Treatment
- eCO2 conditionse0
- Outcome
- leaf nitrogene0
- Direction
- lowere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly lower leaf nitrogen, higher carbon, C: N ratio, phenols and tannins was observed in the groundnut foliage grown under eCO2 conditions.”
Claim · model-written summary
Elevated CO2 raised groundnut leaf carbon, C:N ratio, phenols, and tannins.
- Taxon
- groundnutArachis hypogaeae0
- Organ / stage
- foliagee0
- Treatment
- eCO2 conditionse0
- Outcome
- carbon, C: N ratio, phenols and tanninse0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significantly lower leaf nitrogen, higher carbon, C: N ratio, phenols and tannins was observed in the groundnut foliage grown under eCO2 conditions.”
Claim · model-written summary
Elevated CO2 groundnut foliage increased S. litura food consumption, larval weight, and faecal matter production.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- elevated conditionse1
- Interactor
- S. litura
Spodoptera liturae1herbivore - Outcome
- food consumption, increased larval weight and more faecal matter productione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased food consumption, increased larval weight and more faecal matter production”
e1“This alteration in food quality in elevated conditions significantly affected the growth parameters of S. litura”
t0“groundnut”
Claim · model-written summary
Elevated CO2 groundnut foliage extended S. litura larval and pupal duration.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- elevated CO2t1
- Interactor
- S. lituraSpodoptera liturae1herbivore
- Outcome
- larval and pupal duratione0
- Direction
- extendede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“extended larval and pupal duration”
e1“S. litura in the form of increased food consumption”
t0“groundnut”
t1“elevated CO2”
Claim · model-written summary
S. litura raised on elevated CO2 groundnut had reduced fecundity versus ambient conditions.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- eCO2 conditionse0
- Interactor
- S. lituraSpodoptera liturae1herbivore
- Outcome
- fecunditye0
- Direction
- reducede0
- Comparator
- ambient conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced fecundity, particularly in the population raised under eCO2 conditions compared to ambient conditions”
e1“growth parameters of S. litura”
t0“groundnut”
Claim · model-written summary
S. litura larvae consuming elevated CO2 groundnut had increased approximate digestibility and relative consumption rate.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- eCO2 conditione0
- Interactor
- S. lituraSpodoptera liturae1herbivore
- Outcome
- approximate digestibility and relative consumption ratee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the insect larva showed increased approximate digestibility and relative consumption rate under eCO2 condition”
e1“growth parameters of S. litura”
t0“groundnut”
Claim · model-written summary
S. litura larvae consuming elevated CO2 groundnut had reduced efficiency of conversion of ingested food.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- eCO2 conditione1
- Interactor
- S. lituraSpodoptera liturae2herbivore
- Outcome
- efficiency of conversion of ingested foode0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced efficiency of conversion of ingested food”
e1“relative consumption rate under eCO2 condition”
e2“growth parameters of S. litura”
t0“groundnut”
Claim · model-written summary
S. litura larvae consuming elevated CO2 groundnut had decreased relative growth rate.
- Taxon
- groundnutArachis hypogaeat0
- Treatment
- eCO2 conditionse0
- Interactor
- S. lituraSpodoptera liturae1herbivore
- Outcome
- relative growth ratee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the relative growth rate was decreased under eCO2 conditions”
e1“growth parameters of S. litura”
t0“groundnut”
The same questions in other papers
co2 · nutrient: content · Arachis hypogaea (peanut)Positive and negative results
4 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
2 papers more in this group
See all 6 papers →co2 · Spodoptera litura · Arachis hypogaea (peanut)Results agree
1 paper in the same direction as this paper
- 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.