Abstract
The cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae), is a key pest of cotton, irrespective of the use of conventional or organic management. In organic systems, however, the use of synthetic insecticides is not allowed, increasing the difficulty of controlling this pest. This work evaluated aphid control and the ability of products to prevent aphid infestation using entomopathogenic bacteria, Pseudomonas fluorescens compared to a standard synthetic insecticide. The trial was conducted with entomopathogenic fungi, Beauveria bassiana and untreated plants served as the control group. The trial testing the efficacy of P. fluorescens in preventing aphid infestation was conducted using the same products. The evaluations were conducted pre and post-treatment of three round of application for the efficacy and the protection against colonization trials, respectively. The lowest aphid populations recorded by the bio inoculant treatment of the soil and foliar application of P. fluorescens @1%. Regarding the plant protection against aphid colonization, the insecticide imidacloprid exhibited a better performance compared to the other tested products with steady results over the evaluation period. The other treatments exhibited variable results with protection against aphid colonization throughout the evaluation period.
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Claims 3
Claim · model-written summary
Soil and foliar application of P. fluorescens gave the lowest aphid populations.
- Taxon
- cotton
Gossypium hirsutumt0 - Treatment
- soil and foliar application of P. fluorescens @1%e1
- Interactor
- Aphis gossypii
Aphis gossypiit0pest - Second interactor
- P. fluorescens
.JPG?width=60)
Pseudomonas fluorescense1biocontrol_agent - Outcome
- aphid populationse1
- Direction
- loweste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.JPG?width=500)
Verbatim
e1“The lowest aphid populations recorded by the bio inoculant treatment of the soil and foliar application of P. fluorescens @1%”
t0“against the cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae) in Bt and non Bt cotton”
Claim · model-written summary
Imidacloprid gave better protection against aphid colonization than the other tested products.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- insecticide imidaclopride2
- Interactor
- aphide2pest
- Outcome
- plant protection against aphid colonizatione2
- Direction
- bettere2
- Comparator
- the other tested productse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Regarding the plant protection against aphid colonization, the insecticide imidacloprid exhibited a better performance compared to the other tested products with steady results over the evaluation period”
t0“against the cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae) in Bt and non Bt cotton”
Claim · model-written summary
The other treatments gave variable protection against aphid colonization over the evaluation period.
- Taxon
- cottonGossypium hirsutumt0
- Interactor
- aphide3pest
- Outcome
- protection against aphid colonizatione3
- Qualifier
- variable resultse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“The other treatments exhibited variable results with protection against aphid colonization throughout the evaluation period”
t0“against the cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae) in Bt and non Bt cotton”
The same questions in other papers
insecticide · disease · Gossypium hirsutum (cotton)Results agree
5 papers in the same direction as this paper
- positive
- positive
- positive
2 papers more in this group
See all 6 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.