Abstract
Combinations of diuron, simazine, and terbacil were applied every year over 15 and 16 years to the same plots. Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees then were planted 1 and 2 years following the last herbicide application. In general, apple-tree growth was not affected, but peach tree growth was reduced by some herbicide treatments. Peach-tree growth was reduced in plots treated with terbacil and soil organic matter was lowest in these plots. Time of last herbicide treatment did not affect apple- or peach-tree growth. The results indicated that reduced fruit-tree growth was associated with reduced soil organic matter and that residual terbacil may have inhibited peach-tree growth. Chemical names used: N ′-(3,4-dichlorphenyl)- N , N -dimethylurea (diuron); 6-chloro- N , N ′-diethyl-1,3,5-triazine-2,4-diamine (simazine); 5-chloro-3-(1,1-dimethylethyl)-6-methyl-2,4(1 H ,3 H )-pyrimidinedione (terbacil).
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Claims 8
Claim · model-written summary
Apple tree growth was generally unaffected by prior herbicide treatments.
- Taxon
- Apple
Malus domesticae2 - Treatment
- diuron, simazine, and terbacile1
- Outcome
- apple-tree growthe0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In general, apple-tree growth was not affected”
e1“Combinations of diuron, simazine, and terbacil were applied”
e2“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
Some prior herbicide treatments reduced peach tree growth.
- Taxon
- peach
Prunus persicae1 - Treatment
- herbicide treatmentse0
- Outcome
- peach tree growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“peach tree growth was reduced by some herbicide treatments”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
Terbacil treatment reduced peach tree growth.
- Taxon
- peachPrunus persicae1
- Treatment
- terbacile0
- Outcome
- Peach-tree growthe0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Peach-tree growth was reduced in plots treated with terbacil”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
Soil organic matter was lowest in terbacil plots.
Not reportedTaxonComparator
Verbatim
e0“Peach-tree growth was reduced in plots treated with terbacil and soil organic matter was lowest in these plots”
Claim · model-written summary
The timing of the last herbicide treatment did not affect apple growth.
- Taxon
- AppleMalus domesticae1
- Treatment
- Time of last herbicide treatmente0
- Outcome
- apple- or peach-tree growthe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Time of last herbicide treatment did not affect apple- or peach-tree growth”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
The timing of the last herbicide treatment did not affect peach growth.
- Taxon
- peachPrunus persicae1
- Treatment
- Time of last herbicide treatmente0
- Outcome
- apple- or peach-tree growthe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Time of last herbicide treatment did not affect apple- or peach-tree growth”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
Reduced fruit-tree growth was associated with reduced soil organic matter.
Verbatim
e0“reduced fruit-tree growth was associated with reduced soil organic matter”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
Claim · model-written summary
The authors suggest residual terbacil may have inhibited peach growth.
- Taxon
- peachPrunus persicae1
- Treatment
- residual terbacile0
- Outcome
- peach-tree growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“residual terbacil may have inhibited peach-tree growth”
e1“Apple ( Malu × domestica Borkh.) and peach ( Prunus persica L.) trees”
The same questions in other papers
Terbacil · growth · Prunus persica (peach)Results differ
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
simazine · growth · Malus domestica (apple)Results differ
4 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- positive
4 papers more in this group
See all 8 papers →diuron · growth · Malus domestica (apple)Results agree
1 paper in the same direction as this paper
- negative
Terbacil · growth · Malus domestica (apple)Results agree
4 papers in the same direction as this paper
- negative
- negative
- no effect
1 paper more in this group
See all 5 papers →herbicide · growth · Prunus persica (peach)Positive and negative results
2 papers in the same direction as this paper · 7 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 papers →herbicide · growth · Malus domestica (apple)Positive and negative results
3 papers in the same direction as this paper · 10 in the opposite direction
- positive
- positive
- positive
10 papers more in this group
See all 14 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.