Abstract
Abstract This work aimed at determining whether high temperature intermittent drying followed by tempering at ambient temperature could preserve the seed viability and vigor. Japonica and Indica rice seeds with 21.2 % and 22.6 % wet moisture contents (w.b.) were dried at 50 ºC and 60ºC for either 5, 10, 15 or 20 minutes, followed by tempering at 25ºC for 45 minutes. Each drying cycle was repeated until the rice seeds were dried to 12.0 % (w.b.). The drying rate was improved and the total in-dryer time was reduced in the intermittent drying when compared to continuous drying, due to the tempering process. The seed vigor was significantly reduced by intermittent drying at 60 °C with all exposure times, although the seed still kept the ability to germinate for both rice cultivars. The intermittent drying at 50 ºC for 5 minutes per drying cycle preserved the seed vigor of Japonica rice well, while in Indica rice, the intermittent drying at 50 ºC up to 20 minutes could still be able to maintain the seed vigor.
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Claims 6
Claim · model-written summary
Intermittent drying improved drying rate relative to continuous drying.
- Taxon
- rice
Oryza sativat0 - Treatment
- intermittent dryinge0
- Outcome
- drying ratee0
- Direction
- improvede0
- Comparator
- continuous dryinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The drying rate was improved and the total in-dryer time was reduced in the intermittent drying when compared to continuous drying”
t0“Rice”
Claim · model-written summary
Intermittent drying reduced total in-dryer time relative to continuous drying.
- Taxon
- riceOryza sativat0
- Treatment
- intermittent dryinge0
- Outcome
- total in-dryer timee0
- Direction
- reducede0
- Comparator
- continuous dryinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The drying rate was improved and the total in-dryer time was reduced in the intermittent drying when compared to continuous drying”
t0“Rice”
Claim · model-written summary
Drying at 60 °C significantly reduced seed vigor at every exposure time.
- Taxon
- riceOryza sativat0
- Treatment
- intermittent drying at 60 °Ce0
- Outcome
- seed vigore0
- Direction
- reducede0
- Qualifier
- all exposure timese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seed vigor was significantly reduced by intermittent drying at 60 °C with all exposure times”
t0“Rice”
Claim · model-written summary
Both rice cultivars retained germination ability after 60 °C intermittent drying.
- Taxon
- riceOryza sativat0
- Outcome
- ability to germinatee0
- Qualifier
- both rice cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the seed still kept the ability to germinate for both rice cultivars.”
t0“Rice”
Claim · model-written summary
At 50 ºC for five minutes each cycle, Japonica seed vigor was preserved.
- Taxon
- riceOryza sativae0
- Material
- Japonicae0
- Treatment
- intermittent drying at 50 ºC for 5 minutes per drying cyclee0
- Outcome
- seed vigore0
- Direction
- preservede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The intermittent drying at 50 ºC for 5 minutes per drying cycle preserved the seed vigor of Japonica rice well”
Claim · model-written summary
At 50 ºC for up to twenty minutes, Indica seed vigor was maintained.
- Taxon
- riceOryza sativae0
- Material
- Indicae0
- Treatment
- intermittent drying at 50 ºC up to 20 minutese0
- Outcome
- seed vigore0
- Direction
- maintaine0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in Indica rice, the intermittent drying at 50 ºC up to 20 minutes could still be able to maintain the seed vigor.”
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See all 88 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.