Abstract
Abstract Pumpkin ( Cucurbita moschata Poir, cv. Dickinson Field) seedlings were grown in the light, in the dark, or in the light with the cotyledons covered. Cotyledons kept in the dark or covered, lost a fourth of their dry weight to support axis tissue growth and were dead 25 days after planting. Dry weight of light-grown cotyledons decreased initially but by 25 days after planting equaled their initial dry weight. Dry weight of dark-grown axis tissue increased for 9 days and then remained constant. The weight of axis tissue of plants grown in the light at 25 days was 4-fold greater than axis tissue from plants whose cotyledons were covered. The data show that shading of the cotyledons dramatically affect the growth of the axis tissue of the young pumpkin seedling.
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Claims 5
Claim · model-written summary
Dark or covered cotyledons lost one fourth of dry weight supporting axis growth.
- Taxon
- Pumpkint0
- Organ / stage
- Cotyledonse0
- Treatment
- kept in the dark or coverede0
- Outcome
- dry weighte0
- Direction
- loste0
- Value
- a fourthe0
Not reportedComparator
Verbatim
e0“Cotyledons kept in the dark or covered, lost a fourth of their dry weight to support axis tissue growth”
t0“Pumpkin”
Claim · model-written summary
Dark or covered cotyledons were dead 25 days after planting.
Verbatim
e0“Cotyledons kept in the dark or covered, lost a fourth of their dry weight to support axis tissue growth and were dead 25 days after planting”
t0“Pumpkin”
Claim · model-written summary
Light grown cotyledon dry weight first decreased, then equaled initial dry weight by day 25.
Verbatim
e0“Dry weight of light-grown cotyledons decreased initially but by 25 days after planting equaled their initial dry weight”
t0“Pumpkin”
Claim · model-written summary
Dark grown axis dry weight increased for nine days and then stayed constant.
Verbatim
e0“Dry weight of dark-grown axis tissue increased for 9 days and then remained constant”
t0“Pumpkin”
Claim · model-written summary
At day 25 light grown axis tissue weighed four times as much as axis tissue of plants with covered cotyledons.
Verbatim
e0“The weight of axis tissue of plants grown in the light at 25 days was 4-fold greater than axis tissue from plants whose cotyledons were covered”
t0“Pumpkin”
The same questions in other papers
light · growth · Cucurbita (pumpkins)Positive and negative results
2 papers in the same direction as this paper · 3 in the opposite direction
- positive
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2 papers more in this group
See all 6 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.