Abstract
Abstract BACKGROUND Biological control of insect pests is encountering an unprecedented challenge in agricultural systems due to the ongoing rise in carbon dioxide (CO 2 ) level. The use of entomopathogenic fungi (EPF) in these systems is gaining increased attention, and EPF as crop endophytes hold the potential for combining insect pest control and yield enhancement of crops, but the effects of increased CO 2 concentration on this interaction are poorly understood. Here, the introduction of endophytic EPF was explored as an alternative sustainable management strategy benefiting crops under elevated CO 2 , using maize ( Zea mays ), Asian corn borer ( Ostrinia furnacalis ), and EPF ( Beauveria bassiana ) to test changes in damage to maize plants from O. furnacalis , and the nutritional status (content of carbon, nitrogen, phosphorus, potassium), biomass, and yield of maize. RESULTS The results showed that endophytic B. bassiana could alleviate the damage caused by O. furnacalis larvae for maize plants under ambient CO 2 concentration, and this effect was enhanced under higher CO 2 concentration. Inoculation with B. bassiana effectively counteracted the adverse impact of elevated CO 2 on maize plants by preserving the nitrogen content at its baseline level (comparable with ambient CO 2 conditions without B. bassiana ). Both simultaneous effects could explain the improvement of biomass and yield of maize under B. bassiana inoculation and elevated CO 2 . CONCLUSION This finding provides key information about the multifaceted benefits of B. bassiana as a maize endophyte. Our results highlight the promising potential of incorporating EPF as endophytes into integrated pest management strategies, particularly under elevated CO 2 concentrations. © 2024 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Claims 4
Claim · model-written summary
Endophytic B. bassiana alleviated larval damage to maize under ambient CO2, more strongly under higher CO2.
- Treatment
- endophytic B. bassianae0
- Interactor
- O. furnacalis
Ostrinia furnacalise0pest - Second interactor
- B. bassiana
Beauveria bassianae0biocontrol_agent - Outcome
- damage caused by O. furnacalis larvaee0
- Direction
- alleviatee0
- Comparator
- ambient CO 2 concentratione0
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“endophytic B. bassiana could alleviate the damage caused by O. furnacalis larvae for maize plants under ambient CO 2 concentration, and this effect was enhanced under higher CO 2 concentration”
Claim · model-written summary
B. bassiana inoculation preserved maize nitrogen content at its ambient CO2 baseline under elevated CO2.
- Treatment
- Inoculation with B. bassianae0
- Interactor
- B. bassianaBeauveria bassianae0symbiont
- Outcome
- nitrogen contente0
- Direction
- preservinge0
- Comparator
- ambient CO 2 conditions without B. bassianae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation with B. bassiana effectively counteracted the adverse impact of elevated CO 2 on maize plants by preserving the nitrogen content at its baseline level (comparable with ambient CO 2 conditions without B. bassiana )”
Claim · model-written summary
B. bassiana inoculation under elevated CO2 improved maize biomass and yield.
- Treatment
- B. bassiana inoculation and elevated CO 2e0
- Interactor
- B. bassianaBeauveria bassianae0symbiont
- Outcome
- biomass and yielde0
- Direction
- improvemente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“improvement of biomass and yield of maize under B. bassiana inoculation and elevated CO 2”
Claim · model-written summary
The authors recommend endophytic EPF in integrated pest management under elevated CO2.
- Interactor
- EPFe0biocontrol_agent
- Outcome
- incorporating EPF as endophytes into integrated pest management strategiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“incorporating EPF as endophytes into integrated pest management strategies, particularly under elevated CO 2 concentrations”
t0“host maize”
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