Abstract
Covered, developing flower buds of Chrysanthemum morifolium cv. Bright Golden Anne did not atrophy, although their dry weight was lower than that of uncovered buds at 21, 28, 35 and 42 d after the start of short days. This reduced dry weight was primarily due to a reduction in the dry weight of the bracts, which are photosynthetically active. The reduction in dry weight was not due to a decrease in the number of bracts or florets or to a lag in development of the covered buds. At 49 d the weight of both covered and uncovered buds was not significantly different, although the weight of the covered bracts was still reduced compared with uncovered bracts. At 28 d uncovered buds fixed about 40 times more 14CO2 than covered buds. Both covered and uncovered buds had the same sink intensity and relative specific activity, but the first bract had a greater sink intensity and relative specific activity when covered than when uncovered, owing to photosynthesis by the bract itself.
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Claims 9
Claim · model-written summary
Covered developing buds did not atrophy.
- Taxon
- Chrysanthemum morifolium
Chrysanthemum ×morifoliume0 - Material
- Bright Golden Annee0
- Treatment
- Coverede0
- Outcome
- did not atrophye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Covered, developing flower buds of Chrysanthemum morifolium cv. Bright Golden Anne did not atrophy”
Claim · model-written summary
Covered buds had lower dry weight at 21, 28, 35 and 42 days of short days.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Treatment
- short dayse0
- Outcome
- dry weighte0
- Direction
- lowere0
- Qualifier
- 21, 28, 35 and 42 de0
- Comparator
- uncovered budse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“their dry weight was lower than that of uncovered buds at 21, 28, 35 and 42 d after the start of short days”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Lower bud dry weight primarily resulted from reduced bract dry weight.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Outcome
- dry weighte0
- Qualifier
- reduction in the dry weight of the bractse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This reduced dry weight was primarily due to a reduction in the dry weight of the bracts, which are photosynthetically active.”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Reduced dry weight was not explained by reduced bract or floret numbers or delayed bud development.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Outcome
- dry weighte0
- Qualifier
- not due to a decrease in the number of bracts or florets or to a lag in developmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The reduction in dry weight was not due to a decrease in the number of bracts or florets or to a lag in development of the covered buds.”
t0“Chrysanthemum morifolium”
Claim · model-written summary
At 49 days covered and uncovered bud weights did not differ significantly.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Treatment
- coverede0
- Outcome
- weighte0
- Direction
- not significantly differente0
- Qualifier
- 49 de0
- Comparator
- uncovered budse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 49 d the weight of both covered and uncovered buds was not significantly different”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Covered bracts still had reduced weight at 49 days.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Treatment
- coverede0
- Outcome
- weighte0
- Direction
- reducede0
- Qualifier
- 49 de0
- Comparator
- uncovered bractse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 49 d the weight of both covered and uncovered buds was not significantly different, although the weight of the covered bracts was still reduced compared with uncovered bracts.”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Uncovered buds fixed about forty times more labelled carbon dioxide at 28 days.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Treatment
- uncoverede0
- Outcome
- 14CO2e0
- Direction
- moree0
- Value
- 40 timese0
- Qualifier
- 28 de0
- Comparator
- covered budse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At 28 d uncovered buds fixed about 40 times more 14CO2 than covered buds.”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Covered and uncovered buds had the same sink intensity and relative specific activity.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Treatment
- coverede0
- Outcome
- sink intensity and relative specific activitye0
- Direction
- samee0
- Comparator
- uncovered budse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both covered and uncovered buds had the same sink intensity and relative specific activity”
t0“Chrysanthemum morifolium”
Claim · model-written summary
Covering the first bract increased sink intensity and relative specific activity, attributed to its own photosynthesis.
- Taxon
- Chrysanthemum morifoliumChrysanthemum ×morifoliumt0
- Organ / stage
- first bracte0
- Treatment
- coverede0
- Outcome
- sink intensity and relative specific activitye0
- Direction
- greatere0
- Qualifier
- owing to photosynthesis by the bract itselfe0
- Comparator
- uncoverede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the first bract had a greater sink intensity and relative specific activity when covered than when uncovered, owing to photosynthesis by the bract itself.”
t0“Chrysanthemum morifolium”
The same questions in other papers
light · growth · Chrysanthemum x morifolium (florist's daisy)Positive and negative results
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See all 31 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.