Abstract
Experiments compared the effect on weed control and potato yield of banded applications of metolachlor plus linuron with or without flex-tine, rolling, and shovel cultivation prior to hilling. Cultivation without banded herbicide resulted in greater prehilling in- and between-row weed densities and reduced late-season weed control as compared to broadcast herbicides or cultivation with banded herbicides. Although the flex-tine and rolling cultivators were expected to provide improved in-row weed control, there were few differences between these and the other cultivation implements. Despite reduced weed control with cultivation alone, potato yields were not reduced.Nomenclature: Linuron, N′-(3,4-dichlorophenyl)-N-methoxy-N-methylurea; metolachlor, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide; common lambsquarters, Chenopodium album L. #3 CHEAL; large crabgrass, Digitaria sanguinalis (L.) Scop. # DIGSA; redroot pigweed, Amaranthus retroflexus L. # AMARE; yellow foxtail, Setaria glauca (L.) Beauv. # SETLU; potato, Solanum tuberosum L. ‘Katahdin’.Additional index words: Flex-tine cultivator, herbicide reduction, mechanical weed control.Abbreviations: DAP, days after planting.
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Claims 4
Claim · model-written summary
Cultivation alone produced greater prehilling in- and between-row weed densities than broadcast herbicides or cultivation with banded herbicides.
- Taxon
- Potato
Solanum tuberosumt0 - Treatment
- Cultivation without banded herbicidee0
- Interactor
- weede0weed
- Outcome
- prehilling in- and between-row weed densitiese0
- Direction
- greatere0
- Comparator
- broadcast herbicides or cultivation with banded herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivation without banded herbicide resulted in greater prehilling in- and between-row weed densities and reduced late-season weed control as compared to broadcast herbicides or cultivation with banded herbicides.”
t0“Potato”
Claim · model-written summary
Cultivation alone reduced late-season weed control relative to broadcast herbicides or cultivation with banded herbicides.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- Cultivation without banded herbicidee0
- Interactor
- weede0weed
- Outcome
- late-season weed controle0
- Direction
- reducede0
- Comparator
- broadcast herbicides or cultivation with banded herbicidese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivation without banded herbicide resulted in greater prehilling in- and between-row weed densities and reduced late-season weed control as compared to broadcast herbicides or cultivation with banded herbicides.”
t0“Potato”
Claim · model-written summary
Flex-tine and rolling cultivators showed few differences from other cultivation implements in in-row weed control.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- flex-tine and rolling cultivatorse0
- Interactor
- weede0weed
- Outcome
- in-row weed controle0
- Direction
- few differencese0
- Comparator
- other cultivation implementse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Although the flex-tine and rolling cultivators were expected to provide improved in-row weed control, there were few differences between these and the other cultivation implements.”
t0“Potato”
Claim · model-written summary
Cultivation alone did not reduce potato yield despite poorer weed control.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- cultivation alonee0
- Interactor
- weede0weed
- Outcome
- potato yieldse0
- Direction
- not reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Despite reduced weed control with cultivation alone, potato yields were not reduced.”
The same questions in other papers
herbicide · weed · Solanum tuberosum (potato)Positive and negative results
2 papers in the same direction as this paper · 40 in the opposite direction
- positive
- positive
- positive
39 papers more in this group
See all 43 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.