Abstract
Selected Trichoderma and Bacillus isolates were tested as seed treatments with reduced concentrations of tolclofos-methyl against Rhizoctonia solani damping-off using cucumber as test plants. In vitro bioassays using filter paper disc infused with six concentrations [active ingredient (ai)] of tolclofos-methyl (0.005, 0.05, 0.125, 0.25, 0.5 and 1.5 g ai/l) showed that growth of Trichoderma isolates on agar plates were less inhibited at 0.005 and 0.05 g ai/l than 0.125 – 1.5 g ai/l tolclofos-methyl concentrations while Bacillus isolates were not affected by any of the six concentrations. In a greenhouse study with a 0.05 g ai/l tolclofos-methyl concentration, Trichoderma and Bacillus isolates applied alone or in combination to cucumber seeds resulted in a better disease control than the Trichoderma andBacillus treatments used alone. As high as 86% disease control was achieved by combining 0.05 g ai/l tolclofos-methyl with T. harzianum Isolate SYN which was significantly better (P = 0.001) than the 0.05 g ai/l tolclofos-methyl control. In all cases, additive effects of combining 0.05 g ai/l tolclofos-methyl with Trichodermaand Bacillus treatments were observed. Key words: Active ingredient (ai), bacillus, damping-off, tolclofos-methyl,Trichoderma.
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Claims 5
Claim · model-written summary
Trichoderma isolate growth was less inhibited at lower tolclofos-methyl concentrations.
- Taxon
- cucumber
Cucumis sativust0 - Interactor
- Trichoderma isolatese0biocontrol_agent
- Outcome
- growth of Trichoderma isolatese0
- Direction
- less inhibitede0
- Comparator
- 0.125 – 1.5 g ai/l tolclofos-methyl concentrationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“growth of Trichoderma isolates on agar plates were less inhibited at 0.005 and 0.05 g ai/l than 0.125 – 1.5 g ai/l tolclofos-methyl concentrations”
t0“using cucumber as test plants”
Claim · model-written summary
Bacillus isolates were unaffected by the six tolclofos-methyl concentrations.
- Taxon
- cucumberCucumis sativust0
- Interactor
- Bacillus isolatese0biocontrol_agent
- Outcome
- Bacillus isolates were not affectede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bacillus isolates were not affected by any of the six concentrations.”
t0“using cucumber as test plants”
Claim · model-written summary
Combined tolclofos-methyl and Trichoderma seed treatment improved cucumber disease control over Trichoderma alone.
- Taxon
- cucumberCucumis sativuse0
- Treatment
- Trichodermae0
- Interactor
- Trichoderma
Trichodermae0biocontrol_agent - Outcome
- disease controle0
- Direction
- bettere0
- Comparator
- Trichoderma andBacillus treatments used alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trichoderma and Bacillus isolates applied alone or in combination to cucumber seeds resulted in a better disease control than the Trichoderma andBacillus treatments used alone.”
Claim · model-written summary
Combined tolclofos-methyl and T. harzianum Isolate SYN achieved 86% disease control over the chemical control.
- Taxon
- cucumberCucumis sativust0
- Treatment
- combining 0.05 g ai/l tolclofos-methyl with T. harzianum Isolate SYNe0
- Interactor
- T. harzianum Isolate SYNTrichoderma harzianume0biocontrol_agent
- Outcome
- disease controle0
- Direction
- bettere0
- Value
- 86%e0
- Comparator
- 0.05 g ai/l tolclofos-methyl controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As high as 86% disease control was achieved by combining 0.05 g ai/l tolclofos-methyl with T. harzianum Isolate SYN which was significantly better (P = 0.001) than the 0.05 g ai/l tolclofos-methyl control.”
t0“using cucumber as test plants”
Claim · model-written summary
Combining tolclofos-methyl with Trichoderma treatments had additive disease control effects.
- Taxon
- cucumberCucumis sativust0
- Interactor
- Trichodermaand Bacilluse0biocontrol_agent
- Outcome
- additive effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“additive effects of combining 0.05 g ai/l tolclofos-methyl with Trichodermaand Bacillus treatments were observed.”
t0“using cucumber as test plants”
The same questions in other papers
Trichoderma harzianum · control · Cucumis sativus (cucumber)Results agree
1 paper in the same direction as this paper
- positive
Trichoderma · control · Cucumis sativus (cucumber)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.