Abstract
ABSTRACT The use of desiccants may result in seeds with high physiological and sanitary quality due to the shorter period of exposure to field adverse conditions before the maturity stage for harvest. This study evaluated the effect of chemical desiccants and harvest times on the physiological and sanitary quality of soybean seeds. The experiment consisted of a randomized block design, arranged in a factorial scheme (4 × 3) + 1, with four replications. The first factor corresponded to four desiccation (grammoxone-2 L ha-1, glufosinate-2 L ha-1, reglone-1.5 L ha-1, and saflufenacil-40 g ha-1) applied at the R7.1 phenological stage (physiological maturity and 65% moisture with three harvest times (0, 7, and 14 days after the R8 phenological stage) and additional treatment (control, application of water only, and harvest at the R8 stage), with four replications. The use of the grammoxone desiccant and seeds harvested at seven days after the R8 stage resulted in soybean seeds of the highest physiological quality, as observed for the variables germination, moisture damage, mechanical damage, and incidences of Colletotrichum sp., Phomopsis sp., Penicillium sp. Fusarium sp., Cercospora kikuchii, and Alternaria sp. Seeds harvested at the R8 + 14 stage had the greatest losses in seed quality. The use of ammonium glufosinate and saflufenacil as desiccants is not recommended due to the reduction in the physiological quality of soybean seeds.
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Claims 4
Claim · model-written summary
Grammoxone desiccant with harvest seven days after R8 gave soybean seeds of the highest physiological quality.
- Taxon
- soybean
Glycine maxe0 - Treatment
- grammoxone desiccant and seeds harvested at seven days after the R8 stagee0
- Outcome
- physiological qualitye0
- Direction
- higheste0
- Qualifier
- as observed for the variables germination, moisture damage, mechanical damage, and incidences of Colletotrichum sp., Phomopsis sp., Penicillium sp. Fusarium sp., Cercospora kikuchii, and Alternaria sp.e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of the grammoxone desiccant and seeds harvested at seven days after the R8 stage resulted in soybean seeds of the highest physiological quality, as observed for the variables germination, moisture damage, mechanical damage, and incidences of Colletotrichum sp., Phomopsis sp., Penicillium sp. Fusarium sp., Cercospora kikuchii, and Alternaria sp.”
Claim · model-written summary
Seeds harvested 14 days after R8 had the greatest losses in seed quality.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Seeds harvested at the R8 + 14 stagee1
- Outcome
- seed qualitye1
- Direction
- greatest lossese1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of the grammoxone desiccant and seeds harvested at seven days after the R8 stage resulted in soybean seeds of the highest physiological quality”
e1“Seeds harvested at the R8 + 14 stage had the greatest losses in seed quality”
Claim · model-written summary
Ammonium glufosinate and saflufenacil are not recommended as desiccants for soybean.
- Taxon
- soybeanGlycine maxe2
- Outcome
- use of ammonium glufosinate and saflufenacil as desiccantse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The use of ammonium glufosinate and saflufenacil as desiccants is not recommended due to the reduction in the physiological quality of soybean seeds”
Claim · model-written summary
Ammonium glufosinate and saflufenacil as desiccants reduced soybean physiological seed quality.
- Taxon
- soybeanGlycine maxe2
- Treatment
- ammonium glufosinate and saflufenacile2
- Outcome
- physiological qualitye2
- Direction
- reductione2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“The use of ammonium glufosinate and saflufenacil as desiccants is not recommended due to the reduction in the physiological quality of soybean seeds”
The same questions in other papers
glufosinate · quality: general · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- negative
nitrogen · quality: general · Glycine max (soybean)Positive and negative results
2 papers in the same direction as this paper · 11 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.