Abstract
The objective of this 2-yr study was to determine the optimal length of time between stale-seedbed preparation and planting that maximized weed control along with growth, development, and yield of cucumbers, compared with conventional seedbeds. Stale-seedbeds were prepared 40, 30, 20, and 10 d before planting (DBP), with an additional treatment of 40-DBP seedbed that received an application of glyphosate at 0.9 kg ae/ha, 20 DBP (40 and 20 DBP). The control (0 DBP) was prepared at planting. Glyphosate plus glufosinate ammonium at 1.26 and 0.042 kg ae/ha were applied after cucumber seeding to kill any emerged weeds. The experiment was a split-plot design in which one half of the main plots were treated with a preemergence application of clomazone at 0.42 kg ai/ha after cucumber seeding. Management of the stale-seedbed influenced the level of weed control and final crop yield. Generally, the 40-DBP seedbed had the highest weed biomass at planting and the lowest at harvest. Cucumber density, leaf number, and vine length were reduced in this treatment, and flowering was delayed because of the high weed biomass present during seedling emergence. All stale-seedbeds, with the exception of the 40-DBP stale-seedbed, had greater yields compared with the control (0 DBP) seedbed. The optimal timing of stale-seedbed preparation was 20 to 30 DBP. Seedbed preparation could be expanded to 40 DBP; however, an application of glyphosate at 20 DBP would be required to optimize yield. The stale-seedbed in combination with herbicides was a superior integrated weed management tool compared with conventional weed management practices.Nomenclature: Clomazone; glufosinate ammonium; glyphosate; cucumber, Cucumis sativus.Additional index words: Conservation tillage, weed biomass, weed density, Secale cereale L.Abbreviations: DBP, days before planting.
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Claims 8
Claim · model-written summary
The 40-DBP seedbed had the highest weed biomass at planting.
- Taxon
- Cucumbers
Cucumis sativust0 - Treatment
- 40-DBP seedbede0
- Interactor
- weede0weed
- Outcome
- weed biomasse0
- Direction
- higheste0
- Qualifier
- at plantinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e0“Generally, the 40-DBP seedbed had the highest weed biomass at planting and the lowest at harvest”
Claim · model-written summary
The 40-DBP seedbed had the lowest weed biomass at harvest.
- Taxon
- CucumbersCucumis sativust0
- Treatment
- 40-DBP seedbede0
- Interactor
- weede0weed
- Outcome
- weed biomasse0
- Direction
- loweste0
- Qualifier
- at harveste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e0“Generally, the 40-DBP seedbed had the highest weed biomass at planting and the lowest at harvest”
Claim · model-written summary
The 40-DBP seedbed reduced cucumber density, leaf number and vine length.
- Taxon
- CucumbersCucumis sativust0
- Treatment
- 40-DBP seedbede0
- Outcome
- Cucumber density, leaf number, and vine lengthe1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e0“Generally, the 40-DBP seedbed had the highest weed biomass at planting and the lowest at harvest”
e1“Cucumber density, leaf number, and vine length were reduced in this treatment”
Claim · model-written summary
Flowering of cucumbers was delayed because of the high weed biomass present during seedling emergence.
- Taxon
- CucumbersCucumis sativust0
- Interactor
- weede2weed
- Outcome
- floweringe2
- Qualifier
- high weed biomass present during seedling emergencee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e2“flowering was delayed because of the high weed biomass present during seedling emergence”
Claim · model-written summary
All stale-seedbeds except the 40-DBP stale-seedbed had greater yields than the control seedbed.
- Taxon
- CucumbersCucumis sativust0
- Treatment
- All stale-seedbedse3
- Outcome
- yieldse3
- Direction
- greatere3
- Qualifier
- with the exception of the 40-DBP stale-seedbede3
- Comparator
- control (0 DBP) seedbede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e3“All stale-seedbeds, with the exception of the 40-DBP stale-seedbed, had greater yields compared with the control (0 DBP) seedbed”
Claim · model-written summary
The optimal timing of stale-seedbed preparation for cucumbers is 20 to 30 days before planting.
- Taxon
- CucumbersCucumis sativust0
- Outcome
- optimal timing of stale-seedbed preparatione4
- Value
- 20 to 30 DBPe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e4“The optimal timing of stale-seedbed preparation was 20 to 30 DBP”
Claim · model-written summary
Seedbed preparation could be expanded to 40 DBP, but a glyphosate application at 20 DBP would be required to optimize yield.
- Taxon
- CucumbersCucumis sativust0
- Treatment
- glyphosate at 20 DBPe5
- Outcome
- optimize yielde5
- Qualifier
- Seedbed preparation could be expanded to 40 DBPe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e5“Seedbed preparation could be expanded to 40 DBP; however, an application of glyphosate at 20 DBP would be required to optimize yield”
Claim · model-written summary
The stale-seedbed combined with herbicides was a superior integrated weed management tool compared with conventional practices.
- Taxon
- CucumbersCucumis sativust0
- Treatment
- stale-seedbed in combination with herbicidese6
- Outcome
- weed managemente6
- Direction
- superiore6
- Comparator
- conventional weed management practicese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Machine-Harvested Cucumbers (Cucumis sativus)”
e6“The stale-seedbed in combination with herbicides was a superior integrated weed management tool compared with conventional weed management practices”
The same questions in other papers
herbicide · weed · Cucumis sativus (cucumber)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- positive
5 papers more in this group
See all 9 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.