Abstract
The efficacy of carbofuran at 1 mg a.i./kg soil, Serratia marcescens (1 x 10 bacterium cells/ml water) at 2 ml of the suspension/kg soil, and three different Trichoderma harzianum isolates each separately added at 50 ml./kg soil against the root-knot nematode Meloidogyne incognita on two tomato cultivars Super Strain B and Alisa was assessed in the glasshouse. Fresh and dry weight of shoots were higher (P ≤ 0.05) in nematode-free plants of the two cultivars than both M. incognita-infested plants and the above-mentioned treatments. Carbofuran followed by S. marcescens and T. harzianum generally decreased nematode development and reproduction parameters compared to the untreated control. Although chemical nematicide viz. carbofuran showed a significant effect in increase of growth parameters and in suppression of Meloidogyne incognita multiplication, it can be replaced to some extent by microbial antagonists viz. Serratia marcescens and Trichoderma harzianum isolates to comply with environmental issues confronting the use of chemicals. Our results revealed differences in activities of peroxidase and chitinase related to the above-mentioned treatments on both local (in roots) and systematic (in leaves) levels but late in the growing season as well. [Journal of American Science 2010;6(8):256-262]. (ISSN: 1545-1003).
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Claims 9
Claim · model-written summary
Nematode-free plants of both tomato cultivars had higher fresh shoot weight than infested and treated plants.
- Taxon
- tomato
Solanum lycopersicumt0 - Organ / stage
- shootse0
- Interactor
- M. incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pathogen - Outcome
- Fresh and dry weight of shootse0
- Direction
- highere0
- Comparator
- M. incognita-infested plants and the above-mentioned treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“Fresh and dry weight of shoots were higher (P ≤ 0.05) in nematode-free plants of the two cultivars than both M. incognita-infested plants and the above-mentioned treatments.”
t0“Tomato”
Claim · model-written summary
Nematode-free plants of both tomato cultivars had higher dry shoot weight than infested and treated plants.
- Taxon
- tomatoSolanum lycopersicumt0
- Organ / stage
- shootse0
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Outcome
- dry weight of shootse0
- Direction
- highere0
- Comparator
- M. incognita-infested plants and the above-mentioned treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fresh and dry weight of shoots were higher (P ≤ 0.05) in nematode-free plants of the two cultivars than both M. incognita-infested plants and the above-mentioned treatments.”
t0“Tomato”
Claim · model-written summary
Carbofuran generally reduced nematode development and reproduction relative to untreated controls.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- Carbofurane0
- Outcome
- nematode development and reproduction parameterse0
- Direction
- decreasede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carbofuran followed by S. marcescens and T. harzianum generally decreased nematode development and reproduction parameters compared to the untreated control.”
t0“Tomato”
Claim · model-written summary
S. marcescens generally reduced nematode development and reproduction relative to untreated controls.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- S. marcescense0
- Second interactor
- S. marcescens
Serratia marcescense0biocontrol_agent - Outcome
- nematode development and reproduction parameterse0
- Direction
- decreasede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carbofuran followed by S. marcescens and T. harzianum generally decreased nematode development and reproduction parameters compared to the untreated control.”
t0“Tomato”
Claim · model-written summary
T. harzianum generally reduced nematode development and reproduction relative to untreated controls.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- T. harzianume0
- Second interactor
- T. harzianum
Trichoderma harzianume0biocontrol_agent - Outcome
- nematode development and reproduction parameterse0
- Direction
- decreasede0
- Comparator
- untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carbofuran followed by S. marcescens and T. harzianum generally decreased nematode development and reproduction parameters compared to the untreated control.”
t0“Tomato”
Claim · model-written summary
Carbofuran significantly increased tomato growth parameters.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- carbofurane0
- Outcome
- growth parameterse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbofuran showed a significant effect in increase of growth parameters and in suppression of Meloidogyne incognita multiplication”
t0“Tomato”
Claim · model-written summary
Carbofuran significantly suppressed Meloidogyne incognita multiplication.
- Taxon
- TomatoSolanum lycopersicumt0
- Treatment
- carbofurane0
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae0pathogen
- Outcome
- Meloidogyne incognita multiplicatione0
- Direction
- suppressione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“carbofuran showed a significant effect in increase of growth parameters and in suppression of Meloidogyne incognita multiplication”
t0“Tomato”
Claim · model-written summary
Treatment-related differences in peroxidase activity appeared in roots and leaves late in the growing season.
- Taxon
- TomatoSolanum lycopersicumt0
- Organ / stage
- rootse0
- Outcome
- activities of peroxidasee0
- Direction
- differencese0
- Qualifier
- late in the growing seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results revealed differences in activities of peroxidase and chitinase related to the above-mentioned treatments on both local (in roots) and systematic (in leaves) levels but late in the growing season as well.”
t0“Tomato”
Claim · model-written summary
Treatment-related differences in chitinase activity appeared in roots and leaves late in the growing season.
- Taxon
- TomatoSolanum lycopersicumt0
- Organ / stage
- leavese0
- Outcome
- chitinasee0
- Direction
- differencese0
- Qualifier
- late in the growing seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results revealed differences in activities of peroxidase and chitinase related to the above-mentioned treatments on both local (in roots) and systematic (in leaves) levels but late in the growing season as well.”
t0“Tomato”
The same questions in other papers
carbofuran · Meloidogyne incognita · Solanum lycopersicum (tomato)Positive and negative results
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See all 21 papers →Serratia marcescens · Nematoda · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
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carbofuran · Nematoda · Solanum lycopersicum (tomato)Results agree
3 papers in the same direction as this paper
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- positive
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Trichoderma harzianum · Nematoda · Solanum lycopersicum (tomato)Results agree
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- positive
- positive
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See all 8 papers →carbofuran · growth · Solanum lycopersicum (tomato)Results agree
13 papers in the same direction as this paper
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See all 14 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.