Abstract
In the first 2 years of a 3-year (1987-89) microplot study, aqueous solutions of oxamyl (32 mg/ml) were applied to cut potato (Solanum tuberosum cv. Russet Burbank) tubers, grown in fine sandy loam infested with Pratylenchus penetrans. The seed-piece treatment alone and the seed-piece treatment followed by three foliar sprays generally reduced (P = 0.05) population densities of P. penetrans in the soil at midseason and in the soil and roots at harvest, compared to the control. In 1989, all seed pieces treated with oxamyl at 96 mg/ml or at 32, 64, and 96 mg/ml followed by a polymer sticker : water (1:4) dip failed to emerge. Only oxamyl at 64 mg/ml reduced (P = 0.05) midseason soil population densities of P. penetrans. A pre-plant soil treatment with 1,3-D reduced (P = 0.05) numbers of P. penetrans at planting each year and increased (P = 0.05) tuber yields in 1988 and 1989 compared to the control. In 1989, tuber yields from the sticker treatment and the oxamyl seed-piece treatment at 64 mg/ml were lower (P = 0.05) than those in the 1,3-D treatment and similar to those from the untreated control, possibly because of phytotoxicity. Oxamyl treatment of potato seed pieces to control P. penetrans does not appear practical for field production.
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Claims 10
Claim · model-written summary
Oxamyl seed-piece treatment alone, and followed by three foliar sprays, generally reduced population densities of P. penetrans in soil at midseason and in soil and roots at harvest relative to the control.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- seed-piece treatmente0
- Interactor
- P. penetrans
Pratylenchus penetranse0pathogen - Outcome
- population densities of P. penetranse0
- Direction
- reducede0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“The seed-piece treatment alone and the seed-piece treatment followed by three foliar sprays generally reduced (P = 0.05) population densities of P. penetrans in the soil at midseason and in the soil and roots at harvest, compared to the control”
Claim · model-written summary
In 1989, seed pieces treated with oxamyl at 96 mg/ml, or at 32, 64 and 96 mg/ml followed by a polymer sticker dip, all failed to emerge.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- treated with oxamyl at 96 mg/ml or at 32, 64, and 96 mg/ml followed by a polymer sticker : water (1:4) dipe0
- Outcome
- failed to emergee0
- Qualifier
- In 1989e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“In 1989, all seed pieces treated with oxamyl at 96 mg/ml or at 32, 64, and 96 mg/ml followed by a polymer sticker : water (1:4) dip failed to emerge”
Claim · model-written summary
Only oxamyl at 64 mg/ml reduced midseason soil population densities of P. penetrans.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- oxamyl at 64 mg/mle0
- Interactor
- P. penetransPratylenchus penetranse0pathogen
- Outcome
- midseason soil population densities of P. penetranse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“Only oxamyl at 64 mg/ml reduced (P = 0.05) midseason soil population densities of P. penetrans”
Claim · model-written summary
A pre-plant soil treatment with 1,3-D reduced numbers of P. penetrans at planting in each year.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- pre-plant soil treatment with 1,3-De0
- Interactor
- P. penetransPratylenchus penetranse0pathogen
- Outcome
- numbers of P. penetrans at plantinge0
- Direction
- reducede0
- Qualifier
- each yeare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“A pre-plant soil treatment with 1,3-D reduced (P = 0.05) numbers of P. penetrans at planting each year”
Claim · model-written summary
The pre-plant 1,3-D soil treatment increased tuber yields in 1988 and 1989 compared to the control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- pre-plant soil treatment with 1,3-De0
- Outcome
- tuber yieldse1
- Direction
- increasede1
- Qualifier
- in 1988 and 1989e1
- Comparator
- the controle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“A pre-plant soil treatment with 1,3-D”
e1“increased (P = 0.05) tuber yields in 1988 and 1989 compared to the control”
Claim · model-written summary
In 1989, tuber yields from the sticker treatment were lower than those in the 1,3-D treatment.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- the sticker treatmente0
- Outcome
- tuber yieldse0
- Direction
- lowere0
- Qualifier
- possibly because of phytotoxicitye1
- Comparator
- the 1,3-D treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“In 1989, tuber yields from the sticker treatment and the oxamyl seed-piece treatment at 64 mg/ml were lower (P = 0.05) than those in the 1,3-D treatment and similar to those from the untreated control”
e1“possibly because of phytotoxicity”
Claim · model-written summary
In 1989, tuber yields from the oxamyl seed-piece treatment at 64 mg/ml were lower than those in the 1,3-D treatment.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- the oxamyl seed-piece treatment at 64 mg/mle0
- Outcome
- tuber yieldse0
- Direction
- lowere0
- Qualifier
- possibly because of phytotoxicitye1
- Comparator
- the 1,3-D treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“In 1989, tuber yields from the sticker treatment and the oxamyl seed-piece treatment at 64 mg/ml were lower (P = 0.05) than those in the 1,3-D treatment and similar to those from the untreated control”
e1“possibly because of phytotoxicity”
Claim · model-written summary
In 1989, tuber yields from the sticker treatment were similar to those from the untreated control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- the sticker treatmente0
- Outcome
- tuber yieldse0
- Direction
- similare0
- Qualifier
- In 1989e0
- Comparator
- the untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“In 1989, tuber yields from the sticker treatment and the oxamyl seed-piece treatment at 64 mg/ml were lower (P = 0.05) than those in the 1,3-D treatment and similar to those from the untreated control”
Claim · model-written summary
In 1989, tuber yields from the oxamyl seed-piece treatment at 64 mg/ml were similar to those from the untreated control.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- the oxamyl seed-piece treatment at 64 mg/mle0
- Outcome
- tuber yieldse0
- Direction
- similare0
- Qualifier
- In 1989e0
- Comparator
- the untreated controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Potato”
e0“In 1989, tuber yields from the sticker treatment and the oxamyl seed-piece treatment at 64 mg/ml were lower (P = 0.05) than those in the 1,3-D treatment and similar to those from the untreated control”
Claim · model-written summary
The authors conclude that oxamyl treatment of potato seed pieces to control P. penetrans does not appear practical for field production.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Oxamyl treatment of potato seed piecese0
- Interactor
- P. penetransPratylenchus penetranse0pathogen
- Outcome
- does not appear practical for field productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oxamyl treatment of potato seed pieces to control P. penetrans does not appear practical for field production”
The same questions in other papers
oxamyl · yield · Solanum tuberosum (potato)Results differ
1 paper in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
12 papers more in this group
See all 16 papers →oxamyl · Pratylenchus penetrans · Solanum tuberosum (potato)Results agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.