Abstract
The presence of phenolic substances in the seed coat may inhibit the germination of sorghum seeds, however, it is not known whether during the storage the reduction of these compounds occurs or if a break of dormancy occurs at low temperatures. So, with the interest of verifying the relationship between tannin and seed dormancy, it was intended in this study to evaluate the biochemical, physiological and physical alterations occurred during the development of sorghum seeds with different concentrations of tannin. Seeds of cultivars BR 305 and BR 310, collected at seven development stages (100, 103, 107, 113, 119, 121, 127 days after sowing) according to water content were used. The seeds collected at each stage were divided into two lots, one subjected to drying at 35o C, up to the moisture of 12% and the other lot with out drying. Seed quality was evaluated by the tests of germination, electric conductivity and enzyme activity. Further, the concentration of tannins in the seeds at each development stage was also determined. Beneficial effect of drying on germination in seeds with higher water content is found. In the seeds evaluated without no drying, the percentage of dormancy is higher when compared to those of seeds subjected to artificial drying. For cultivar BR 305, drying favors the concentration of tannins in seeds collected at different development stages. The same occurred for cultivar BR 310, in seeds collected at 100, 103 and 119 days after sowing. The polyphenoloxidase activity was greter in seeds submitted to the drying of lots with low tannin concentration at both 100 and 103 dasy after sowin. g.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 5
Claim · model-written summary
Artificial drying of sorghum seeds with higher water content had a beneficial effect on germination.
- Organ / stage
- seedse0
- Treatment
- dryinge0
- Outcome
- germinatione0
- Direction
- Beneficial effecte0
- Qualifier
- seeds with higher water contente0
SorghumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum seed germination”
e0“Beneficial effect of drying on germination in seeds with higher water content is found”
Claim · model-written summary
Dormancy percentage of sorghum seeds without drying was higher than that of artificially dried seeds.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum seed germination”
e1“In the seeds evaluated without no drying, the percentage of dormancy is higher when compared to those of seeds subjected to artificial drying”
Claim · model-written summary
For cultivar BR 305, drying favored tannin concentration in sorghum seeds collected at different development stages.
- Material
- BR 305e2
- Organ / stage
- seeds collected at different development stagese2
- Treatment
- dryinge2
- Outcome
- concentration of tanninse2
- Direction
- favorse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum seed germination”
e2“For cultivar BR 305, drying favors the concentration of tannins in seeds collected at different development stages”
Claim · model-written summary
For cultivar BR 310, drying favored tannin concentration in sorghum seeds collected at 100, 103 and 119 days after sowing.
- Material
- BR 310e3
- Organ / stage
- seeds collected at 100, 103 and 119 days after sowinge3
- Treatment
- dryinge2
- Outcome
- concentration of tanninse2
- Direction
- favorse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum seed germination”
e2“For cultivar BR 305, drying favors the concentration of tannins in seeds collected at different development stages”
e3“The same occurred for cultivar BR 310, in seeds collected at 100, 103 and 119 days after sowing”
Claim · model-written summary
Drying of sorghum seed lots with low tannin concentration at 100 and 103 days after sowing greatly raised polyphenoloxidase activity.
- Treatment
- dryinge4
- Outcome
- polyphenoloxidase activitye4
- Direction
- gretere4
- Qualifier
- of lots with low tannin concentration at both 100 and 103 dasy after sowine4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“sorghum seed germination”
e4“The polyphenoloxidase activity was greter in seeds submitted to the drying of lots with low tannin concentration at both 100 and 103 dasy after sowin”
The same questions in other papers
processing · growth · SorghumPositive and negative results
5 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- negative
8 papers more in this group
See all 12 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.