Abstract
The combination of dimethyl disulfide (DMDS) and dazomet (DZ) is a potential alternative to methyl bromide (MB) for soil disinfestation. The efficacy of DMDS plus DZ in controlling key soilborne pests was evaluated in a laboratory study and in two commercial cucumber greenhouses. Laboratory studies found that all of the combinations had positive synergistic effects on root-knot nematodes, two key soilborne fungi, and two major weed seeds. Greenhouse trials revealed that the combination of DMDS and DZ (30 + 25 g m(-2)) successfully suppressed Meloidogyne spp. root galling, sharply reduced the colony-forming units of Fusarium spp. and Phytophthora spp. on media, maintained high cucumber yields, and was not significantly different from MB or DMDS alone, but better than DZ alone. All of the chemical treatments provided significantly better results than the nontreated control. The results indicate that the combination of DMDS and DZ is an efficient MB alternative for cucumber production.
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Claims 7
Claim · model-written summary
Combinations of DMDS and DZ had positive synergistic effects on root-knot nematodes in the laboratory
- Taxon
- Cucumber
Cucumis sativust0 - Treatment
- all of the combinationse1
- Interactor
- root-knot nematodes
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogynee1pest - Outcome
- positive synergistic effects on root-knot nematodese1
- Direction
- positivee1
- Qualifier
- two key soilborne fungi, and two major weed seedse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
t0“Cucumber Production in China”
e1“Laboratory studies found that all of the combinations had positive synergistic effects on root-knot nematodes, two key soilborne fungi, and two major weed seeds”
Claim · model-written summary
The combination of DMDS and DZ suppressed Meloidogyne root galling in greenhouse trials compared with the nontreated control
- Taxon
- CucumberCucumis sativust0
- Treatment
- the combination of DMDS and DZ (30 + 25 g m(-2))e2
- Interactor
- Meloidogyne spp.Meloidogynee2pest
- Outcome
- Meloidogyne spp. root gallinge2
- Direction
- suppressede2
- Comparator
- nontreated controle5
- Setting
- Greenhouse trialse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Production in China”
e2“Greenhouse trials revealed that the combination of DMDS and DZ (30 + 25 g m(-2)) successfully suppressed Meloidogyne spp. root galling”
e5“All of the chemical treatments provided significantly better results than the nontreated control”
Claim · model-written summary
The combination of DMDS and DZ sharply reduced colony-forming units of Fusarium spp. and Phytophthora spp. on media
- Taxon
- CucumberCucumis sativust0
- Treatment
- the combination of DMDS and DZ (30 + 25 g m(-2))e2
- Second interactor
- Phytophthora spp.
Phytophthorae3pathogen - Outcome
- colony-forming units of Fusarium spp.e3
- Direction
- sharply reducede3
- Qualifier
- on mediae3
- Comparator
- nontreated controle5
FusariumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Production in China”
e2“Greenhouse trials revealed that the combination of DMDS and DZ (30 + 25 g m(-2)) successfully suppressed Meloidogyne spp. root galling”
e3“sharply reduced the colony-forming units of Fusarium spp. and Phytophthora spp. on media”
e5“All of the chemical treatments provided significantly better results than the nontreated control”
Claim · model-written summary
The combination of DMDS and DZ maintained high cucumber yields, not significantly different from MB or DMDS alone
- Taxon
- cucumberCucumis sativuse4
- Treatment
- the combination of DMDS and DZ (30 + 25 g m(-2))e2
- Outcome
- cucumber yieldse4
- Direction
- maintained highe4
- Comparator
- MB or DMDS alonee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Greenhouse trials revealed that the combination of DMDS and DZ (30 + 25 g m(-2)) successfully suppressed Meloidogyne spp. root galling”
e4“maintained high cucumber yields, and was not significantly different from MB or DMDS alone, but better than DZ alone”
Claim · model-written summary
The combination of DMDS and DZ gave better cucumber yields than DZ alone
- Taxon
- cucumberCucumis sativuse4
- Treatment
- the combination of DMDS and DZ (30 + 25 g m(-2))e2
- Outcome
- cucumber yieldse4
- Direction
- bettere4
- Comparator
- DZ alonee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Greenhouse trials revealed that the combination of DMDS and DZ (30 + 25 g m(-2)) successfully suppressed Meloidogyne spp. root galling”
e4“maintained high cucumber yields, and was not significantly different from MB or DMDS alone, but better than DZ alone”
Claim · model-written summary
All chemical treatments gave significantly better results than the nontreated control
- Taxon
- CucumberCucumis sativust0
- Treatment
- All of the chemical treatmentse5
- Outcome
- resultse5
- Direction
- significantly bettere5
- Comparator
- nontreated controle5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Cucumber Production in China”
e5“All of the chemical treatments provided significantly better results than the nontreated control”
Claim · model-written summary
The authors conclude the combination of DMDS and DZ is an efficient methyl bromide alternative for cucumber production
- Taxon
- cucumberCucumis sativuse6
- Outcome
- efficient MB alternativee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The results indicate that the combination of DMDS and DZ is an efficient MB alternative for cucumber production”
The same questions in other papers
dimethyl disulfide · Meloidogyne · Cucumis sativus (cucumber)Results agree
2 papers in the same direction as this paper
- positive
- positive
dazomet · Fusarium · Cucumis sativus (cucumber)Results agree
2 papers in the same direction as this paper
- positive
- positive
dimethyl disulfide · yield · Cucumis sativus (cucumber)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
dazomet · yield · Cucumis sativus (cucumber)Results agree
4 papers in the same direction as this paper
- positive
- positive
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1 paper more in this group
See all 5 papers →dazomet · Meloidogyne · 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.