Abstract
One of the major constraints for banana production in Uganda is the banana weevil, Cosmopolites sordidus (Germar), (Coleoptera: Curculionidae). Investigations were carried out to evaluate the efficacy of maize, soil-based and oil formulations of an indigenous isolate of Beauveria bassiana for the control of the banana weevil. Weekly trapping of weevils over a 9-month monitoring period showed significant reduction in unmarked and marked weevil population in B. bassiana treated plots. Application of maize formulation at 2 2 10 15 conidia ha -1 proved most effective, reducing the weevil populations by 63-72% within 8 weeks after a single application. The soil based formulation at 2 2 10 14 conidia ha -1 was intermediate while the oil formulation at 6 2 10 15 conidial ha -1 was least effective. Trapping efficiency declined in B. bassiana treated and untreated banana plots but was greatest in the latter.
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Claims 5
Claim · model-written summary
Beauveria treated plots had significantly fewer marked and unmarked banana weevils.
- Taxon
- Bananat0
- Treatment
- B. bassiana treated plotse0
- Interactor
- banana weevilt0pest
- Second interactor
- B. bassiana
Beauveria bassianae0biocontrol_agent - Outcome
- weevil populatione0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Weekly trapping of weevils over a 9-month monitoring period showed significant reduction in unmarked and marked weevil population in B. bassiana treated plots.”
t0“Banana Weevil”
Claim · model-written summary
Maize formulation reduced weevil populations by 63-72% in eight weeks and was most effective.
- Taxon
- Bananat0
- Treatment
- maize formulation at 2 2 10 15 conidia ha -1e0
- Interactor
- Banana Weevilt0pest
- Outcome
- weevil populationse0
- Direction
- reducinge0
- Value
- 63-72%e0
- Qualifier
- within 8 weeks after a single applicatione0
Not reportedComparator
Verbatim
e0“Application of maize formulation at 2 2 10 15 conidia ha -1 proved most effective, reducing the weevil populations by 63-72% within 8 weeks after a single application.”
t0“Banana Weevil”
Claim · model-written summary
Soil based formulation had intermediate control effectiveness.
- Taxon
- Bananat0
- Treatment
- soil based formulation at 2 2 10 14 conidia ha -1e0
- Interactor
- Banana Weevilt0pest
- Outcome
- intermediatee0
- Direction
- intermediatee0
Not reportedComparator
Verbatim
e0“The soil based formulation at 2 2 10 14 conidia ha -1 was intermediate while the oil formulation at 6 2 10 15 conidial ha -1 was least effective.”
t0“Banana Weevil”
Claim · model-written summary
Oil formulation was least effective against banana weevils.
- Taxon
- Bananat0
- Treatment
- oil formulation at 6 2 10 15 conidial ha -1e0
- Interactor
- Banana Weevilt0pest
- Outcome
- least effectivee0
- Direction
- least effectivee0
Not reportedComparator
Verbatim
e0“the oil formulation at 6 2 10 15 conidial ha -1 was least effective.”
t0“Banana Weevil”
Claim · model-written summary
Weevil trapping efficiency declined in treated and untreated plots, most in untreated banana plots.
Verbatim
e0“Trapping efficiency declined in B. bassiana treated and untreated banana plots but was greatest in the latter.”
t0“Banana Weevil”
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 →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.