Abstract
Field studies were conducted to determine the response of sublethal glyphosate and dicamba doses to processing tomato flowering loss and marketable yield. Dose–response studies for both herbicides were conducted on four commercial processing tomato lines (two different lines within each study) and plants were sprayed at either the vegetative stage or the early bloom stage. Both glyphosate and dicamba caused higher yield losses when sprayed at the early bloom stage. A 25% yield loss was observed with 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectively, at the early bloom stage and 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectively, at the early vegetative stage. Overall, these tomato cultivars were more sensitive to dicamba than to glyphosate. We conclude that glyphosate and dicamba drift could have serious implications on tomato yields especially if the drift occurs during flowering.
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Claims 7
Claim · model-written summary
Glyphosate sprayed at early bloom caused higher tomato yield losses than other stages.
- Taxon
- processing tomatoe0
- Organ / stage
- early bloom stagee1
- Treatment
- glyphosatee1
- Outcome
- yield lossese1
- Direction
- highere1
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e1“Both glyphosate and dicamba caused higher yield losses when sprayed at the early bloom stage”
Claim · model-written summary
Dicamba sprayed at early bloom caused higher tomato yield losses than other stages.
- Taxon
- processing tomatoe0
- Organ / stage
- early bloom stagee1
- Treatment
- dicambae1
- Outcome
- yield lossese1
- Direction
- highere1
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e1“Both glyphosate and dicamba caused higher yield losses when sprayed at the early bloom stage”
Claim · model-written summary
Glyphosate applied at early bloom caused a 25% yield loss.
- Taxon
- processing tomatoe0
- Organ / stage
- early bloom stagee2
- Treatment
- glyphosatee2
- Outcome
- yield losse2
- Direction
- decreaseinferrede2
- Value
- 25%e2
- Qualifier
- 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectivelye2
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e2“A 25% yield loss was observed with 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectively, at the early bloom stage and 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectively, at the early vegetative stage”
Claim · model-written summary
Dicamba applied at early bloom caused a 25% yield loss.
- Taxon
- processing tomatoe0
- Organ / stage
- early bloom stagee2
- Treatment
- dicambae2
- Outcome
- yield losse2
- Direction
- decreaseinferrede2
- Value
- 25%e2
- Qualifier
- 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectivelye2
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e2“A 25% yield loss was observed with 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectively, at the early bloom stage and 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectively, at the early vegetative stage”
Claim · model-written summary
Glyphosate applied at the early vegetative stage caused a 25% yield loss.
- Taxon
- processing tomatoe0
- Organ / stage
- early vegetative stagee2
- Treatment
- glyphosatee2
- Outcome
- yield losse2
- Direction
- decreaseinferrede2
- Value
- 25%e2
- Qualifier
- 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectivelye2
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e2“A 25% yield loss was observed with 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectively, at the early bloom stage and 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectively, at the early vegetative stage”
Claim · model-written summary
Dicamba applied at the early vegetative stage caused a 25% yield loss.
- Taxon
- processing tomatoe0
- Organ / stage
- early vegetative stagee2
- Treatment
- dicambae2
- Outcome
- yield losse2
- Direction
- decreaseinferrede2
- Value
- 25%e2
- Qualifier
- 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectivelye2
Not reportedComparator
Verbatim
e0“four commercial processing tomato lines”
e2“A 25% yield loss was observed with 8.5 and 7.5 g ae ha −1 for glyphosate and dicamba, respectively, at the early bloom stage and 43.9 and 11.9 g ae ha −1 for glyphosate and dicamba, respectively, at the early vegetative stage”
Claim · model-written summary
These tomato cultivars were more sensitive to dicamba than to glyphosate.
- Taxon
- tomato cultivars
Solanum lycopersicume3 - Treatment
- dicambae3
- Outcome
- sensitivee3
- Direction
- more sensitivee3
- Comparator
- glyphosatee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Overall, these tomato cultivars were more sensitive to dicamba than to glyphosate”
The same questions in other papers
glyphosate · yield · Solanum lycopersicum (tomato)Positive and negative results
9 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- negative
10 papers more in this group
See all 14 papers →dicamba · yield · Solanum lycopersicum (tomato)Results agree
1 paper in the same direction as this paper
- 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.