Abstract
Olubayo F, Kibaru A, Nderitu J, Njeru R, Kasina M (2010) Management of aphids and their vectored diseases on seed potatoes in Kenya using synthetic insecticides, mineral oil and plant extract. J. Innov. Dev. Strategy 4(2), 1-5. This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases. The treatments were arranged in randomized complete block design (RCBD) with four replications. In each season, the number of aphids in five randomly selected plants per treatment was recordced in situ. Virus symptoms (incidence) were scored and expressed as a percentage to the total plant population per plot. Forty-five days after emergence, 10 plants each from guard rows and inner rows were randomly selected and serologically assayed for Potato Virus Y (PVY) and Potato Leaf Roll Virus (PLRV) using DAS ELISA test. Results showd that three aphid species Aphis gossypii (Glover), Macrosiphum euphorbiae (Thomas) and Myzus persicae (Sulzer) colonized on the variety with A. gossypii being the most dominant while M. persicae was least. Higher aphid population coincided with the short rains experienced in one of the seasons. Synthetic insecticides (Bifethrin and dimethoate) were the most effective among the treatments in reducing aphid infestation while the neem extract and mineral oil (DC-Tron) had no significant (P<0.05) difference. However, mineral-oil treated plots recorded the lowest PVY incidence while bifenthrin-treated plots had the lowest PLRV incidence. It is suggested that a combination of synthetic insecticides and mineral oil could play a major role in reduction of the aphids and their associated vectors.
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Claims 8
Claim · model-written summary
Synthetic insecticides were the most effective treatment in reducing potato aphid infestation.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- Synthetic insecticidese1
- Interactor
- aphide1pest
- Outcome
- aphid infestatione1
- Direction
- reducinge1
- Comparator
- the treatmentse1
- Setting
- Tigoni, Central Kenyae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e1“Synthetic insecticides (Bifethrin and dimethoate) were the most effective among the treatments in reducing aphid infestation”
Claim · model-written summary
Neem extract and mineral oil did not differ significantly in aphid infestation control.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- neem extract and mineral oile3
- Interactor
- aphide1pest
- Outcome
- aphid infestatione1
- Direction
- no significant (P<0.05) differencee3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e1“Synthetic insecticides (Bifethrin and dimethoate) were the most effective among the treatments in reducing aphid infestation”
e3“the neem extract and mineral oil (DC-Tron) had no significant (P<0.05) difference”
Claim · model-written summary
Mineral-oil treated plots had the lowest PVY incidence.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- mineral-oil treated plotse2
- Interactor
- PVY
Potato virus Ye2pathogen - Outcome
- PVY incidencee2
- Direction
- loweste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e2“mineral-oil treated plots recorded the lowest PVY incidence while bifenthrin-treated plots had the lowest PLRV incidence”
Claim · model-written summary
Bifenthrin-treated plots had the lowest PLRV incidence.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- bifenthrin-treated plotse2
- Interactor
- PLRV
Potato leafroll viruse2pathogen - Outcome
- PLRV incidencee2
- Direction
- loweste2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e2“mineral-oil treated plots recorded the lowest PVY incidence while bifenthrin-treated plots had the lowest PLRV incidence”
Claim · model-written summary
Higher aphid population coincided with the short rains.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- aphide4pest
- Outcome
- aphid populatione4
- Direction
- Highere4
- Setting
- short rainse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e4“Higher aphid population coincided with the short rains experienced in one of the seasons”
Claim · model-written summary
Aphis gossypii was the most dominant of the aphid species colonizing the potato variety.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Aphis gossypii
Aphis gossypiie5pest - Second interactor
- Myzus persicae
Myzus persicaee5pest - Outcome
- colonized on the varietye5
- Qualifier
- A. gossypii being the most dominante5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e5“three aphid species Aphis gossypii (Glover), Macrosiphum euphorbiae (Thomas) and Myzus persicae (Sulzer) colonized on the variety with A. gossypii being the most dominant while M. persicae was least”
Claim · model-written summary
Myzus persicae was the least abundant of the aphid species colonizing the potato variety.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- Myzus persicaeMyzus persicaee5pest
- Outcome
- colonized on the varietye5
- Qualifier
- M. persicae was leaste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e5“three aphid species Aphis gossypii (Glover), Macrosiphum euphorbiae (Thomas) and Myzus persicae (Sulzer) colonized on the variety with A. gossypii being the most dominant while M. persicae was least”
Claim · model-written summary
A combination of synthetic insecticides and mineral oil could play a major role in reducing aphids and their associated vectors on potatoes.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- a combination of synthetic insecticides and mineral oile6
- Outcome
- reduction of the aphids and their associated vectorse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This study was conducted in two seasons of 2002 at Tigoni, Central Kenya to determine effectiveness of insecticides; neem extract and mineral oil in managing potato aphids and their associated virus diseases”
e6“It is suggested that a combination of synthetic insecticides and mineral oil could play a major role in reduction of the aphids and their associated vectors”
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See all 36 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.