Abstract
Diurnal fluctuations in dry matter accumulation and leaf extension of seedlings of Dactylis glomerata were followed through a 16-h light period and a subsequent 8-h dark period at 20 °C.The measured increase in dry weight during the light period and the decrease during the dark period showed a very good agreement with calculated dry weight changes derived from the rates of carbon dioxide exchange of whole seedlings. Although dry weight of the leaf blades decreased during the dark period, leaf expansion continued throughout the 24-h period with associated changes in the ratio of fresh weight to dry weight of the leaf blades.
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Claims 6
Claim · model-written summary
Dry weight of Dactylis glomerata seedlings increased during the 16-h light period.
- Taxon
- Dactylis glomerata
.jpg?width=60)
Dactylis glomeratat0 - Outcome
- dry weighte0
- Direction
- increasee0
- Qualifier
- during the light periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Dactylis glomerata”
e0“increase in dry weight during the light period”
Claim · model-written summary
Dry weight of Dactylis glomerata seedlings decreased during the 8-h dark period.
- Taxon
- Dactylis glomerataDactylis glomeratat0
- Outcome
- dry weighte0
- Direction
- decreasee0
- Qualifier
- during the dark periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dactylis glomerata”
e0“increase in dry weight during the light period and the decrease during the dark period”
Claim · model-written summary
Measured dry weight changes agreed very well with dry weight changes calculated from carbon dioxide exchange rates of whole seedlings.
- Taxon
- Dactylis glomerataDactylis glomeratat0
- Outcome
- very good agreemente0
- Comparator
- calculated dry weight changes derived from the rates of carbon dioxide exchange of whole seedlingse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dactylis glomerata”
e0“showed a very good agreement with calculated dry weight changes derived from the rates of carbon dioxide exchange of whole seedlings”
Claim · model-written summary
Dry weight of the leaf blades decreased during the dark period.
- Taxon
- Dactylis glomerataDactylis glomeratat0
- Organ / stage
- leaf bladese0
- Outcome
- dry weight of the leaf bladese0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dactylis glomerata”
e0“dry weight of the leaf blades decreased during the dark period”
Claim · model-written summary
Leaf expansion continued throughout the 24-h period despite the dark-period loss of leaf blade dry weight.
- Taxon
- Dactylis glomerataDactylis glomeratat0
- Outcome
- leaf expansion continued throughout the 24-h periode0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dactylis glomerata”
e0“leaf expansion continued throughout the 24-h period”
Claim · model-written summary
The ratio of fresh weight to dry weight of the leaf blades changed over the 24-h period, associated with continued leaf expansion.
- Taxon
- Dactylis glomerataDactylis glomeratat0
- Organ / stage
- leaf bladese0
- Outcome
- ratio of fresh weight to dry weight of the leaf bladese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Dactylis glomerata”
e0“associated changes in the ratio of fresh weight to dry weight of the leaf blades”