Abstract
ABSTRACT: Desiccation interrupts the acquisition of physiological quality in soybean seeds, as this quality peaks at R9. However, this interruption can be mitigated by the stage in which herbicide is applied and which herbicide is used. The aim of this study was to characterize the acquisition of physiological quality in soybean seeds from plants desiccated by herbicides at different stages. A completely randomized experimental design was used in a 3×6 factorial arrangement, consisting of three phenological stages (R6, R7.1, R7.3) and six different desiccant treatments (Diquat 1.5 L.ha-1; Glufosinate 1.5 L.ha-1 and 2.0 L.ha-1; Diquat 1.0 L.ha-1 + Glufosinate 1.0 L.ha-1; Saflufenacil 140 g.ha1 + Glufosinate 1.0 L.ha-1; and Saflufenacil 140 g.ha-1 + Diquat 1.0 L.ha-1), with four replications. The following evaluations were made: desiccation rate, germination, desiccation tolerance (DT), longevity (P50), viability after one year of storage, and thousand seed weight. Seeds are able to germinate and have DT when plant desiccation through application of Diquat, Diquat + Glufosinate, Saflufenacil + Diquat, and Saflufenacil + Glufosinate occurs at R6, and for Glufosinate, at R7.1. The use of Diquat + Glufosinate and their combination with Saflufenacil showed less impact on acquisition of soybean seed longevity, which was better when application was made at R7.3.
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Claims 8
Claim · model-written summary
Diquat at R6 permitted seed germination and desiccation tolerance.
- Taxon
- soybean
Glycine maxt0 - Organ / stage
- R6e0
- Treatment
- Diquate0
- Outcome
- germinate and have DTe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds are able to germinate and have DT when plant desiccation through application of Diquat, Diquat + Glufosinate, Saflufenacil + Diquat, and Saflufenacil + Glufosinate occurs at R6”
t0“soybean seeds”
Claim · model-written summary
Diquat plus Glufosinate at R6 permitted seed germination and desiccation tolerance.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- R6e0
- Treatment
- Diquat + Glufosinatee0
- Outcome
- germinate and have DTe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds are able to germinate and have DT when plant desiccation through application of Diquat, Diquat + Glufosinate, Saflufenacil + Diquat, and Saflufenacil + Glufosinate occurs at R6”
t0“soybean seeds”
Claim · model-written summary
Saflufenacil plus Diquat at R6 permitted seed germination and desiccation tolerance.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- R6e0
- Treatment
- Saflufenacil + Diquate0
- Outcome
- germinate and have DTe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds are able to germinate and have DT when plant desiccation through application of Diquat, Diquat + Glufosinate, Saflufenacil + Diquat, and Saflufenacil + Glufosinate occurs at R6”
t0“soybean seeds”
Claim · model-written summary
Saflufenacil plus Glufosinate at R6 permitted seed germination and desiccation tolerance.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- R6e0
- Treatment
- Saflufenacil + Glufosinatee0
- Outcome
- germinate and have DTe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds are able to germinate and have DT when plant desiccation through application of Diquat, Diquat + Glufosinate, Saflufenacil + Diquat, and Saflufenacil + Glufosinate occurs at R6”
t0“soybean seeds”
Claim · model-written summary
Glufosinate at R7.1 permitted seed germination and desiccation tolerance.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- R7.1e0
- Treatment
- Glufosinatee0
- Outcome
- germinate and have DTe1
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and for Glufosinate, at R7.1”
e1“Seeds are able to germinate and have DT”
t0“soybean seeds”
Claim · model-written summary
Diquat plus Glufosinate had less impact on acquisition of seed longevity.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Diquat + Glufosinatee0
- Outcome
- soybean seed longevitye0
- Direction
- less impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of Diquat + Glufosinate and their combination with Saflufenacil showed less impact on acquisition of soybean seed longevity”
t0“soybean seeds”
Claim · model-written summary
The combination with Saflufenacil had less impact on acquisition of seed longevity.
- Taxon
- soybeanGlycine maxt0
- Treatment
- combination with Saflufenacile0
- Outcome
- soybean seed longevitye0
- Direction
- less impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“their combination with Saflufenacil showed less impact on acquisition of soybean seed longevity”
t0“soybean seeds”
Claim · model-written summary
Seed longevity was better with application at R7.3.
- Taxon
- soybeanGlycine maxt0
- Treatment
- application was made at R7.3e0
- Outcome
- soybean seed longevitye0
- Direction
- bettere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soybean seed longevity, which was better when application was made at R7.3”
t0“soybean seeds”
The same questions in other papers
glufosinate · disease · Glycine max (soybean)Positive and negative results
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- negative
- positive
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See all 5 papers →glufosinate · pest · Glycine max (soybean)Positive and negative results
3 papers in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
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See all 5 papers →saflufenacil · pest · Glycine max (soybean)Results agree
2 papers in the same direction as this paper
- positive
- positive
diquat · pest · Glycine max (soybean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.