Abstract
Field trials were conducted to evaluate the effect of simulated glyphosate drift rates applied to two non-irrigated potato cultivars in the late tuber bulking stage grown for potato seed production. Mother plants receiving a sublethal glyphosate application had similar yields regardless of the year or cultivar. ‘Red LaSoda' seed pieces visually evaluated the following spring had more sprout inhibition from glyphosate-treated plots. With ‘Russet Burbank', only seed pieces from mother plants that received more than 18 g ha −1 glyphosate showed sprout inhibition. Total yield reductions the year following glyphosate treatments were attributed to fewer and smaller tubers from plants that did not emerge or were delayed in emergence. Red LaSoda seed pieces from mother plants receiving ≥ 71 g ha −1 glyphosate yielded less than the nontreated. In 2005, Russet Burbank seed pieces from mother plants receiving ≥35 g ha −1 glyphosate had reduced yields, whereas in 2006, all glyphosate treatments reduced total yield compared with the nontreated.
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Claims 7
Claim · model-written summary
Sublethal glyphosate on mother plants left their yields similar across years and cultivars.
- Taxon
- Potato
Solanum tuberosumt0 - Treatment
- sublethal glyphosate applicatione0
- Outcome
- yieldse0
- Direction
- similare0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mother plants receiving a sublethal glyphosate application had similar yields regardless of the year or cultivar”
t0“Potato”
Claim · model-written summary
Red LaSoda seed pieces from glyphosate-treated plots had more sprout inhibition.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- ‘Red LaSoda'e0
- Treatment
- glyphosate-treated plotse0
- Outcome
- sprout inhibitione0
- Direction
- moree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Red LaSoda' seed pieces visually evaluated the following spring had more sprout inhibition from glyphosate-treated plots”
t0“Potato”
Claim · model-written summary
Russet Burbank seed pieces showed sprout inhibition only when mother plants received more than 18 g ha −1 glyphosate.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- ‘Russet Burbank'e0
- Treatment
- more than 18 g ha −1 glyphosatee0
- Outcome
- sprout inhibitione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With ‘Russet Burbank', only seed pieces from mother plants that received more than 18 g ha −1 glyphosate showed sprout inhibition”
t0“Potato”
Claim · model-written summary
Following-year total yield reductions were attributed to fewer and smaller tubers from plants with failed or delayed emergence.
- Taxon
- PotatoSolanum tuberosumt0
- Outcome
- Total yield reductionse0
- Qualifier
- fewer and smaller tubers from plants that did not emerge or were delayed in emergencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total yield reductions the year following glyphosate treatments were attributed to fewer and smaller tubers from plants that did not emerge or were delayed in emergence”
t0“Potato”
Claim · model-written summary
Red LaSoda seed pieces from mother plants treated with ≥ 71 g ha −1 glyphosate yielded less than nontreated seed pieces.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Red LaSodae0
- Treatment
- ≥ 71 g ha −1 glyphosatee0
- Outcome
- yieldede0
- Direction
- lesse0
- Comparator
- nontreatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Red LaSoda seed pieces from mother plants receiving ≥ 71 g ha −1 glyphosate yielded less than the nontreated”
t0“Potato”
Claim · model-written summary
In 2005, Russet Burbank seed pieces from mother plants treated with ≥35 g ha −1 glyphosate had reduced yields.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Russet Burbanke0
- Treatment
- ≥35 g ha −1 glyphosatee0
- Outcome
- yieldse0
- Direction
- reducede0
- Qualifier
- In 2005e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In 2005, Russet Burbank seed pieces from mother plants receiving ≥35 g ha −1 glyphosate had reduced yields”
t0“Potato”
Claim · model-written summary
In 2006, all glyphosate treatments reduced Russet Burbank total yield compared with nontreated.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Russet Burbanke1
- Treatment
- all glyphosate treatmentse0
- Outcome
- total yielde0
- Direction
- reducede0
- Qualifier
- in 2006e0
- Comparator
- nontreatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in 2006, all glyphosate treatments reduced total yield compared with the nontreated”
t0“Potato”
e1“Russet Burbank seed pieces from mother plants receiving ≥35 g ha −1 glyphosate”
The same questions in other papers
glyphosate · yield · Solanum tuberosum (potato)Results differ
7 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- positive
8 papers more in this group
See all 12 papers →glyphosate · disease · Solanum tuberosum (potato)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.