Abstract
Abstract The entomopathogen Beauveria bassiana (Balsamo) Vuillemin (Ascomycota: Hypocreales) survives as an endophyte in a wide range of plants, offering substantial protection against tunneling insect pests. Although current research indicates that the fungus can live as an endophyte in tissue‐cultured banana plants, there is no information on the efficacy of endophytic B. bassiana against the banana weevil, Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae). Our study aimed at determining the effects of endophytic B. bassiana on oviposition rate and populations of the banana weevil, and their plant damage. Screenhouse studies were undertaken in which 8‐week‐old B. bassiana ‐inoculated tissue‐cultured banana plants [cultivar Kibuzi, Musa spec. (Musaceae), genome group AAA‐EA] were infested with female banana weevils. Five days after plant infestation with the banana weevil, there was no effect of B. bassiana on oviposition rate and egg hatchability. However, after 15 weeks, the presence of B. bassiana as an endophyte in banana tissues greatly reduced banana weevil populations and their damage to plants. Between 53.4 and 57.7% of the banana weevil adults died because of B. bassiana infection, resulting in a reduction of plant damage by 29.1–62.7% depending on plant part. Beauveria bassiana was re‐isolated from different plant parts, but to a greater extent from the roots and rhizomes than from pseudostem bases. Artificial inoculation of B. bassiana in banana plants caused no negative impact on banana growth. Our study demonstrated for the first time that endophytic B. bassiana reduced populations of C. sordidus and the plant damage they cause, and can thus be an alternative method for effective delivery of this fungus to banana plants for the management of C. sordidus .
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Claims 8
Claim · model-written summary
Endophytic B. bassiana did not affect banana weevil oviposition rate or egg hatchability at five days.
- Taxon
- bananae0
- Treatment
- B. bassianae0
- Interactor
- banana weevile0pest
- Second interactor
- B. bassiana
Beauveria bassianae0biocontrol_agent - Outcome
- oviposition rate and egg hatchabilitye0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five days after plant infestation with the banana weevil, there was no effect of B. bassiana on oviposition rate and egg hatchability.”
Claim · model-written summary
After 15 weeks, endophytic B. bassiana reduced banana weevil populations.
- Taxon
- bananae0
- Treatment
- B. bassianae0
- Interactor
- banana weevile0pest
- Second interactor
- B. bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- banana weevil populationse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, after 15 weeks, the presence of B. bassiana as an endophyte in banana tissues greatly reduced banana weevil populations and their damage to plants.”
Claim · model-written summary
After 15 weeks, endophytic B. bassiana reduced banana weevil damage to banana plants.
- Taxon
- bananae0
- Treatment
- B. bassianae0
- Interactor
- banana weevile0pest
- Second interactor
- B. bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- damage to plantse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, after 15 weeks, the presence of B. bassiana as an endophyte in banana tissues greatly reduced banana weevil populations and their damage to plants.”
Claim · model-written summary
B. bassiana infection killed 53.4 to 57.7% of adult banana weevils.
- Taxon
- bananae0
- Interactor
- banana weevile0pest
- Second interactor
- B. bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- banana weevil adults diede0
- Value
- 53.4 and 57.7%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Between 53.4 and 57.7% of the banana weevil adults died because of B. bassiana infection, resulting in a reduction of plant damage by 29.1–62.7% depending on plant part.”
Claim · model-written summary
B. bassiana infection reduced plant damage by 29.1–62.7% depending on plant part.
- Taxon
- bananae0
- Treatment
- B. bassiana infectione0
- Interactor
- banana weevile0pest
- Second interactor
- B. bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- plant damagee0
- Direction
- reductione0
- Value
- 29.1–62.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Between 53.4 and 57.7% of the banana weevil adults died because of B. bassiana infection, resulting in a reduction of plant damage by 29.1–62.7% depending on plant part.”
Claim · model-written summary
B. bassiana was reisolated more often from banana roots and rhizomes than pseudostem bases.
- Taxon
- bananae1
- Organ / stage
- roots and rhizomese0
- Interactor
- Beauveria bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- Beauveria bassiana was re‐isolatede0
- Direction
- to a greater extente0
- Comparator
- pseudostem basese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Beauveria bassiana was re‐isolated from different plant parts, but to a greater extent from the roots and rhizomes than from pseudostem bases.”
e1“Artificial inoculation of B. bassiana in banana plants caused no negative impact on banana growth.”
Claim · model-written summary
Artificial B. bassiana inoculation had no negative impact on banana growth.
- Taxon
- bananae0
- Treatment
- Artificial inoculation of B. bassianae0
- Interactor
- B. bassianaBeauveria bassianae0biocontrol_agent
- Outcome
- banana growthe0
- Direction
- no negative impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Artificial inoculation of B. bassiana in banana plants caused no negative impact on banana growth.”
Claim · model-written summary
The authors propose endophytic B. bassiana delivery to banana plants for C. sordidus management.
- Taxon
- bananae0
- Interactor
- C. sordidus
Cosmopolites sordiduse0pest - Outcome
- alternative method for effective delivery of this funguse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“can thus be an alternative method for effective delivery of this fungus to banana plants for the management of C. sordidus”
The same questions in other papers
Beauveria bassiana · pest · MusaPositive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →infection · pest · MusaPositive and negative results
1 in the opposite direction
- negative
inoculation · growth · MusaPositive and negative results
4 papers in the same direction as this paper · 38 in the opposite direction
- positive
- positive
- positive
39 papers more in this group
See all 43 papers →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.